POWER WINDOW CONTROL SYSTEM > TERMINALS OF ECU

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MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY


  1. Disconnect the K5*1 or J9*2 multiplex network master switch assembly connector.

    1. *1: for LHD
    2. *2: for RHD

    B150964E42

  2. Measure the voltage and resistance according to the value(s) in the table below.

    HINT:
    Measure the values on the wire harness side with the connector disconnected.


    for LHD 
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    K5-11 (B) - K5-12 (GND)
    L - W-B
    Power supply
    Power switch off
    11 to 14 V
    K5-12 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω

    for RHD 
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    J9-11 (B) - J9-12 (GND)
    R - W-B
    Power supply
    Power switch off
    11 to 14 V
    J9-12 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    If the result is not as specified, there may be a malfunction in the wire harness.

  3. Reconnect the K5*1 or J9*2 multiplex network master switch assembly connector.

    1. *1: for LHD
    2. *2: for RHD

  4. Measure the voltage according to the value(s) in the table below.

    for LHD 
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    K5-15 (DOWN) - K5-12 (GND)
    Y - W-B
    Power window motor DOWN output
    Power switch on (IG), driver door power window regulator switch not pushed or pulled
    11 to 14 V
    K5-15 (DOWN) - K5-12 (GND)
    Y - W-B
    Power window motor DOWN output
    Power switch on (IG), driver side power window moving, driver door power window regulator switch pushed halfway down (Manual operation)
    Below 1 V
    K5-18 (LED) - K5-12 (GND)
    B - W-B
    LED illumination signal
    Power switch on (IG)
    11 to 14 V
    K5-18 (LED) - K5-12 (GND)
    B - W-B
    LED illumination signal
    Approximately 43 seconds after power switch turned off
    Below 1 V
    K5-20 (UP) - K5-12 (GND)
    V - W-B
    Power window motor UP output
    Power switch on (IG), driver door power window regulator switch not pushed or pulled
    11 to 14 V
    K5-20 (UP) - K5-12 (GND)
    V - W-B
    Power window motor UP output
    Power switch on (IG), driver side power window moving, driver door power window regulator switch pulled halfway up (Manual operation)
    Below 1 V

    for RHD 
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    J9-15 (DOWN) - J9-12 (GND)
    G - W-B
    Power window motor DOWN output
    Power switch on (IG), driver door power window regulator switch not pushed or pulled
    11 to 14 V
    J9-15 (DOWN) - J9-12 (GND)
    G - W-B
    Power window motor DOWN output
    Power switch on (IG), driver side power window moving, driver door power window regulator switch pushed halfway down (Manual operation)
    Below 1 V
    J9-18 (LED) - J9-12 (GND)
    Y - W-B
    LED illumination signal
    Power switch on (IG)
    11 to 14 V
    J9-18 (LED) - J9-12 (GND)
    Y - W-B
    LED illumination signal
    Approximately 43 seconds after power switch turned off
    Below 1 V
    J9-20 (UP) - J9-12 (GND)
    B - W-B
    Power window motor UP output
    Power switch on (IG), driver door power window regulator switch not pushed or pulled
    11 to 14 V
    J9-20 (UP) - J9-12 (GND)
    B - W-B
    Power window motor UP output
    Power switch on (IG), driver side power window moving, driver door power window regulator switch pulled halfway up (Manual operation)
    Below 1 V
    If the result is not as specified, the multiplex network master switch assembly may have a malfunction.


CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY


  1. Disconnect the J5*1 or K8*2 power window regulator switch assembly connector.

    1. *1: for LHD
    2. *2: for RHD

    B176174E48

  2. Measure the resistance according to the value(s) in the table below.

    HINT:
    Measure the values on the wire harness side with the connector disconnected.


    for LHD 
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    J5-1 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω

    for RHD 
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    k8-1 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    If the result is not as specified, there may be a malfunction in the wire harness.

  3. Reconnect the J5*1 or K8*2 power window regulator switch assembly connector.

    1. *1: for LHD
    2. *2: for RHD

  4. Measure the voltage according to the value(s) in the table below.

    for LHD 
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    J5-4 (LED) - J5-1 (GND)
    Y - W-B
    LED illumination signal
    Power switch on (IG)
    11 to 14 V
    J5-4 (LED) - J5-1 (GND)
    Y - W-B
    LED illumination signal
    Approximately 43 seconds after the power switch turned off
    Below 1 V
    J5-6 (UP) - J5-1 (GND)
    B - W-B
    Power window motor UP output
    Power switch on (IG), power window regulator switch assembly not pushed or pulled
    11 to 14 V
    J5-6 (UP) - J5-1 (GND)
    B - W-B
    Power window motor UP output
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly pulled halfway up (Manual operation)
    Below 1 V
    J5-6 (UP) - J5-1 (GND)
    B - W-B
    Power window motor UP output
    Power switch on (IG), front passenger side power window fully open
    11 to 14 V
    J5-6 (UP) - J5-1 (GND)
    B - W-B
    Power window motor UP output
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pulled up (Automatic operation)
    Below 1 V
    J5-6 (UP) - J5-1 (GND)
    B - W-B
    Power window motor UP output
    Power switch on (IG), front passenger side power window fully closed
    11 to 14 V
    J5-7 (DOWN) - J5-1 (GND)
    G - W-B
    Power window motor DOWN output
    Power switch on (IG), power window regulator switch assembly not pushed or pulled
    11 to 14 V
    J5-7 (DOWN) - J5-1 (GND)
    G - W-B
    Power window motor DOWN output
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly pushed halfway down (Manual operation)
    Below 1 V
    J5-7 (DOWN) - J5-1 (GND)
    G - W-B
    Power window motor DOWN output
    Power switch on (IG), front passenger side power window fully closed
    11 to 14 V
    J5-7 (DOWN) - J5-1 (GND)
    G - W-B
    Power window motor DOWN output
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pushed down (Automatic operation)
    Below 1 V
    J5-7 (DOWN) - J5-1 (GND)
    G - W-B
    Power window motor DOWN output
    Power switch on (IG), front passenger side power window fully open
    11 to 14 V
    J5-8 (AUTO) - J5-1 (GND)
    L - W-B
    Power window motor AUTO UP output
    Power switch on (IG), front passenger side power window fully open
    11 to 14 V
    J5-8 (AUTO) - J5-1 (GND)
    L - W-B
    Power window motor AUTO UP output
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pulled up (Automatic operation)
    Below 1 V
    J5-8 (AUTO) - J5-1 (GND)
    L - W-B
    Power window motor AUTO UP output
    Power switch on (IG), front passenger side power window fully closed
    11 to 14 V
    J5-8 (AUTO) - J5-1 (GND)
    L - W-B
    Power window motor AUTO DOWN output
    Power switch on (IG), front passenger side power window fully closed
    11 to 14 V
    J5-8 (AUTO) - J5-1 (GND)
    L - W-B
    Power window motor AUTO DOWN output
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pushed down (Automatic operation)
    Below 1 V
    J5-8 (AUTO) - J5-1 (GND)
    L - W-B
    Power window motor AUTO DOWN output
    Power switch on (IG), front passenger side power window fully open
    11 to 14 V

    for RHD 
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    K8-4 (LED) - K8-1 (GND)
    B - W-B
    LED illumination signal
    Power switch on (IG)
    11 to 14 V
    K8-4 (LED) - K8-1 (GND)
    B - W-B
    LED illumination signal
    Approximately 43 seconds after the power switch turned off
    Below 1 V
    K8-6 (UP) - K8-1 (GND)
    V - W-B
    Power window motor UP output
    Power switch on (IG), power window regulator switch assembly not pushed or pulled
    11 to 14 V
    K8-6 (UP) - K8-1 (GND)
    V - W-B
    Power window motor UP output
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly pulled halfway up (Manual operation)
    Below 1 V
    K8-6 (UP) - K8-1 (GND)
    V - W-B
    Power window motor UP output
    Power switch on (IG), front passenger side power window fully open
    11 to 14 V
    K8-6 (UP) - K8-1 (GND)
    V - W-B
    Power window motor UP output
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pulled up (Automatic operation)
    Below 1 V
    K8-6 (UP) - K8-1 (GND)
    V - W-B
    Power window motor UP output
    Power switch on (IG), front passenger side power window fully closed
    11 to 14 V
    K8-7 (DOWN) - K8-1 (GND)
    Y - W-B
    Power window motor DOWN output
    Power switch on (IG), power window regulator switch assembly not pushed or pulled
    11 to 14 V
    K8-7 (DOWN) - K8-1 (GND)
    Y - W-B
    Power window motor DOWN output
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly pushed halfway down (Manual operation)
    Below 1 V
    K8-7 (DOWN) - K8-1 (GND)
    Y - W-B
    Power window motor DOWN output
    Power switch on (IG), front passenger side power window fully closed
    11 to 14 V
    K8-7 (DOWN) - K8-1 (GND)
    Y - W-B
    Power window motor DOWN output
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pushed down (Automatic operation)
    Below 1 V
    K8-7 (DOWN) - K8-1 (GND)
    Y - W-B
    Power window motor DOWN output
    Power switch on (IG), front passenger side power window fully open
    11 to 14 V
    K8-8 (AUTO) - K8-1 (GND)
    B - W-B
    Power window motor AUTO UP output
    Power switch on (IG), front passenger side power window fully open
    11 to 14 V
    K8-8 (AUTO) - K8-1 (GND)
    B - W-B
    Power window motor AUTO UP output
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pulled up (Automatic operation)
    Below 1 V
    K8-8 (AUTO) - K8-1 (GND)
    B - W-B
    Power window motor AUTO UP output
    Power switch on (IG), front passenger side power window fully closed
    11 to 14 V
    K8-8 (AUTO) - K8-1 (GND)
    B - W-B
    Power window motor AUTO DOWN output
    Power switch on (IG), front passenger side power window fully closed
    11 to 14 V
    K8-8 (AUTO) - K8-1 (GND)
    B - W-B
    Power window motor AUTO DOWN output
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pushed down (Automatic operation)
    Below 1 V
    K8-8 (AUTO) - K8-1 (GND)
    B - W-B
    Power window motor AUTO DOWN output
    Power switch on (IG), front passenger side power window fully open
    11 to 14 V
    If the result is not as specified, the power window regulator switch assembly may have a malfunction.


CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for LH Side)


  1. Disconnect the M3 rear power window regulator switch assembly (for LH side) connector.


    B176174E46

  2. Measure the resistance according to the value(s) in the table below.

    HINT:
    Measure the values on the wire harness side with the connector disconnected.


    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    M3-1 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    If the result is not as specified, there may be a malfunction in the wire harness.

  3. Reconnect the M3 rear power window regulator switch assembly (for LH side) connector.

  4. Measure the voltage according to the value(s) in the table below.

    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    M3-4 (LED) - M3-1 (GND)
    Y - W-B
    LED illumination signal
    Power switch on (IG)
    11 to 14 V
    M3-4 (LED) - M3-1 (GND)
    Y - W-B
    LED illumination signal
    Approximately 43 seconds after the power switch turned off
    Below 1 V
    M3-6 (UP) - M3-1 (GND)
    L - W-B
    Power window motor UP output
    Power switch on (IG), rear power window regulator switch assembly (for LH side) not pushed or pulled
    11 to 14 V
    M3-6 (UP) - M3-1 (GND)
    L - W-B
    Power window motor UP output
    Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) pulled halfway up (Manual operation)
    Below 1 V
    M3-6 (UP) - M3-1 (GND)
    L - W-B
    Power window motor UP output
    Power switch on (IG), rear LH side power window fully open
    11 to 14 V
    M3-6 (UP) - M3-1 (GND)
    L - W-B
    Power window motor UP output
    Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) fully pulled up (Automatic operation)
    Below 1 V
    M3-6 (UP) - M3-1 (GND)
    L - W-B
    Power window motor UP output
    Power switch on (IG), rear LH side power window fully closed
    11 to 14 V
    M3-7 (DOWN) - M3-1 (GND)
    GR - W-B
    Power window motor DOWN output
    Power switch on (IG), rear power window regulator switch assembly (for LH side) not pushed or pulled
    11 to 14 V
    M3-7 (DOWN) - M3-1 (GND)
    GR - W-B
    Power window motor DOWN output
    Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) pushed halfway down (Manual operation)
    Below 1 V
    M3-7 (DOWN) - M3-1 (GND)
    GR - W-B
    Power window motor DOWN output
    Power switch on (IG), rear LH side power window fully closed
    11 to 14 V
    M3-7 (DOWN) - M3-1 (GND)
    GR - W-B
    Power window motor DOWN output
    Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) fully pushed down (Automatic operation)
    Below 1 V
    M3-7 (DOWN) - M3-1 (GND)
    GR - W-B
    Power window motor DOWN output
    Power switch on (IG), rear LH side power window fully open
    11 to 14 V
    M3-8 (AUTO) - M3-1 (GND)
    V - W-B
    Power window motor AUTO UP output
    Power switch on (IG), rear LH side power window fully open
    11 to 14 V
    M3-8 (AUTO) - M3-1 (GND)
    V - W-B
    Power window motor AUTO UP output
    Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) fully pulled up (Automatic operation)
    Below 1 V
    M3-8 (AUTO) - M3-1 (GND)
    V - W-B
    Power window motor AUTO UP output
    Power switch on (IG), rear LH side power window fully closed
    11 to 14 V
    M3-8 (AUTO) - M3-1 (GND)
    V - W-B
    Power window motor AUTO DOWN output
    Power switch on (IG), rear LH side power window fully closed
    11 to 14 V
    M3-8 (AUTO) - M3-1 (GND)
    V - W-B
    Power window motor AUTO DOWN output
    Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) fully pushed down (Automatic operation)
    Below 1 V
    M3-8 (AUTO) - M3-1 (GND)
    V - W-B
    Power window motor AUTO DOWN output
    Power switch on (IG), rear LH side power window fully open
    11 to 14 V
    If the result is not as specified, the rear power window regulator switch assembly (for LH side) may have a malfunction.


CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for RH Side)


  1. Disconnect the L3 rear power window regulator switch assembly (for RH side) connector.


    B176174E47

  2. Measure the resistance according to the value(s) in the table below.

    HINT:
    Measure the values on the wire harness side with the connector disconnected.


    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    L3-1 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    If the result is not as specified, there may be a malfunction in the wire harness.

  3. Reconnect the L3 rear power window regulator switch assembly (for RH side) connector.

  4. Measure the voltage according to the value(s) in the table below.

    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    L3-4 (LED) - L3-1 (GND)
    GR - W-B
    LED illumination signal
    Power switch on (IG)
    11 to 14 V
    L3-4 (LED) - L3-1 (GND)
    GR - W-B
    LED illumination signal
    Approximately 43 seconds after the power switch turned off
    Below 1 V
    L3-6 (UP) - L3-1 (GND)
    V - W-B
    Power window motor UP output
    Power switch on (IG), rear power window regulator switch assembly (for RH side) not pushed or pulled
    11 to 14 V
    L3-6 (UP) - L3-1 (GND)
    V - W-B
    Power window motor UP output
    Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) pulled halfway up (Manual operation)
    Below 1 V
    L3-6 (UP) - L3-1 (GND)
    V - W-B
    Power window motor UP output
    Power switch on (IG), rear RH side power window fully open
    11 to 14 V
    L3-6 (UP) - L3-1 (GND)
    V - W-B
    Power window motor UP output
    Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) fully pulled up (Automatic operation)
    Below 1 V
    L3-6 (UP) - L3-1 (GND)
    V - W-B
    Power window motor UP output
    Power switch on (IG), rear RH side power window fully closed
    11 to 14 V
    L3-7 (DOWN) - L3-1 (GND)
    Y - W-B
    Power window motor DOWN output
    Power switch on (IG), rear power window regulator switch assembly (for RH side) not pushed or pulled
    11 to 14 V
    L3-7 (DOWN) - L3-1 (GND)
    Y - W-B
    Power window motor DOWN output
    Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) pushed halfway down (Manual operation)
    Below 1 V
    L3-7 (DOWN) - L3-1 (GND)
    Y - W-B
    Power window motor DOWN output
    Power switch on (IG), rear RH side power window fully closed
    11 to 14 V
    L3-7 (DOWN) - L3-1 (GND)
    Y - W-B
    Power window motor DOWN output
    Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) fully pushed down (Automatic operation)
    Below 1 V
    L3-7 (DOWN) - L3-1 (GND)
    Y - W-B
    Power window motor DOWN output
    Power switch on (IG), rear RH side power window fully open
    11 to 14 V
    L3-8 (AUTO) - L3-1 (GND)
    L - W-B
    Power window motor AUTO UP output
    Power switch on (IG), rear RH side power window fully open
    11 to 14 V
    L3-8 (AUTO) - L3-1 (GND)
    L - W-B
    Power window motor AUTO UP output
    Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) fully pulled up (Automatic operation)
    Below 1 V
    L3-8 (AUTO) - L3-1 (GND)
    L - W-B
    Power window motor AUTO UP output
    Power switch on (IG), rear RH side power window fully closed
    11 to 14 V
    L3-8 (AUTO) - L3-1 (GND)
    L - W-B
    Power window motor AUTO DOWN output
    Power switch on (IG), rear RH side power window fully closed
    11 to 14 V
    L3-8 (AUTO) - L3-1 (GND)
    L - W-B
    Power window motor AUTO DOWN output
    Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) fully pushed down (Automatic operation)
    Below 1 V
    L3-8 (AUTO) - L3-1 (GND)
    L - W-B
    Power window motor AUTO DOWN output
    Power switch on (IG), rear RH side power window fully open
    11 to 14 V
    If the result is not as specified, the rear power window regulator switch assembly (for RH side) may have a malfunction.


CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side)


  1. Disconnect the K2*1 or J2*2 power window regulator motor assembly (for driver side) connector.

    1. *1: for LHD
    2. *2: for RHD

    B203471E98

  2. Measure the voltage and resistance according to the value(s) in the table below.

    HINT:
    Measure the values on the wire harness side with the connector disconnected.


    for LHD 
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    K2-1 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    K2-2 (B) - Body ground
    L - Body ground
    Power supply
    Power switch off
    11 to 14 V

    for RHD 
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    J2-1 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    J2-2 (B) - Body ground
    L - Body ground
    Power supply
    Power switch off
    11 to 14 V
    If the result is not as specified, there may be a malfunction in the wire harness.

  3. Reconnect the K2*1 or J2*2 power window regulator motor assembly (for driver side) connector.

    1. *1: for LHD
    2. *2: for RHD

  4. Measure the voltage according to the value(s) in the table below.

    for LHD 
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    K2-5 (LED) - K2-1 (GND)
    B - W-B
    LED illumination signal
    Power switch on (IG)
    11 to 14 V
    K2-5 (LED) - K2-1 (GND)
    B - W-B
    LED illumination signal
    Approximately 43 seconds after power switch turned off
    Below 1 V
    K2-7 (DOWN) - K2-1 (GND)
    Y - W-B
    Power window motor DOWN input
    Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) not pushed or pulled
    11 to 14 V
    K2-7 (DOWN) - K2-1 (GND)
    Y - W-B
    Power window motor DOWN input
    Power switch on (IG), driver side power window moving, multiplex network master switch assembly (driver door power window regulator switch) pushed halfway down (Manual operation)
    Below 1 V
    K2-7 (DOWN) - K2-1 (GND)
    Y - W-B
    Power window motor DOWN input
    Power switch on (IG), driver door power window fully closed
    11 to 14 V
    K2-7 (DOWN) - K2-1 (GND)
    Y - W-B
    Power window motor DOWN input
    Power switch on (IG), driver side power window moving, multiplex network master switch assembly (driver door power window regulator switch) fully pushed down (Automatic operation)
    Below 1 V
    K2-7 (DOWN) - K2-1 (GND)
    Y - W-B
    Power window motor AUTO DOWN input
    Power switch on (IG), driver door power window fully open
    11 to 14 V
    K2-10 (UP) - K2-1 (GND)
    B - W-B
    Power window motor UP input
    Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) not pushed or pulled
    11 to 14 V
    K2-10 (UP) - K2-1 (GND)
    B - W-B
    Power window motor UP input
    Power switch on (IG), driver side power window moving, multiplex network master switch assembly (driver door power window regulator switch) pulled halfway up (Manual operation)
    Below 1 V
    K2-10 (UP) - K2-1 (GND)
    B - W-B
    Power window motor UP input
    Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) fully open
    11 to 14 V
    K2-10 (UP) - K2-1 (GND)
    B - W-B
    Power window motor UP input
    Power switch on (IG), driver side power window moving, multiplex network master switch assembly (driver door power window regulator switch) fully pulled up (Automatic operation)
    Below 1 V
    K2-10 (UP) - K2-1 (GND)
    B - W-B
    Power window motor UP input
    Power switch on (IG), driver door power window fully closed
    11 to 14 V

    for RHD 
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    J2-5 (LED) - J2-1 (GND)
    Y - W-B
    LED illumination signal
    Power switch on (IG)
    11 to 14 V
    J2-5 (LED) - J2-1 (GND)
    Y - W-B
    LED illumination signal
    Approximately 43 seconds after power switch turned off
    Below 1 V
    J2-7 (DOWN) - J2-1 (GND)
    G - W-B
    Power window motor DOWN input
    Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) not pushed or pulled
    11 to 14 V
    J2-7 (DOWN) - J2-1 (GND)
    G - W-B
    Power window motor DOWN input
    Power switch on (IG), driver side power window moving, multiplex network master switch assembly (driver door power window regulator switch) pushed halfway down (Manual operation)
    Below 1 V
    J2-7 (DOWN) - J2-1 (GND)
    G - W-B
    Power window motor DOWN input
    Power switch on (IG), driver door power window fully closed
    11 to 14 V
    J2-7 (DOWN) - J2-1 (GND)
    G - W-B
    Power window motor DOWN input
    Power switch on (IG), driver side power window moving, multiplex network master switch assembly (driver door power window regulator switch) fully pushed down (Automatic operation)
    Below 1 V
    J2-7 (DOWN) - J2-1 (GND)
    G - W-B
    Power window motor AUTO DOWN input
    Power switch on (IG), driver door power window fully open
    11 to 14 V
    J2-10 (UP) - J2-1 (GND)
    V - W-B
    Power window motor UP input
    Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) not pushed or pulled
    11 to 14 V
    J2-10 (UP) - J2-1 (GND)
    V - W-B
    Power window motor UP input
    Power switch on (IG), driver side power window moving, multiplex network master switch assembly (driver door power window regulator switch) pulled halfway up (Manual operation)
    Below 1 V
    J2-10 (UP) - J2-1 (GND)
    V - W-B
    Power window motor UP input
    Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) fully open
    11 to 14 V
    J2-10 (UP) - J2-1 (GND)
    V - W-B
    Power window motor UP input
    Power switch on (IG), driver side power window moving, multiplex network master switch assembly (driver door power window regulator switch) fully pulled up (Automatic operation)
    Below 1 V
    J2-10 (UP) - J2-1 (GND)
    V - W-B
    Power window motor UP input
    Power switch on (IG), driver door power window fully closed
    11 to 14 V
    If the result is not as specified, the power window regulator motor assembly (for driver side) may have a malfunction.


CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side)


  1. Disconnect the J2*1 or K2*2 power window regulator motor assembly (for front passenger side) connector.

    1. *1: for LHD
    2. *2: for RHD

    B203471E99

  2. Measure the voltage and resistance according to the value(s) in the table below.

    HINT:
    Measure the values on the wire harness side with the connector disconnected.


    for LHD 
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    J2-1 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    J2-2 (B) - Body ground
    L - Body ground
    Power supply
    Power switch off
    11 to 14 V

    for RHD 
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    K2-1 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    K2-2 (B) - Body ground
    L - Body ground
    Power supply
    Power switch off
    11 to 14 V
    If the result is not as specified, there may be a malfunction in the wire harness.

  3. Reconnect the J2*1 or K2*2 power window regulator motor assembly (for front passenger side) connector.

    1. *1: for LHD
    2. *2: for RHD

  4. Measure the voltage according to the value(s) in the table below.

    for LHD 
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    J2-4 (AUTO) - J2-1 (GND)
    L - W-B
    Power window motor AUTO UP input
    Power switch on (IG), front passenger side power window fully open
    11 to 14 V
    J2-4 (AUTO) - J2-1 (GND)
    L - W-B
    Power window motor AUTO UP input
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pulled up (Automatic operation)
    Below 1 V
    J2-4 (AUTO) - J2-1 (GND)
    L - W-B
    Power window motor AUTO UP input
    Power switch on (IG), front passenger side power window fully closed
    11 to 14 V
    J2-4 (AUTO) - J2-1 (GND)
    L - W-B
    Power window motor AUTO DOWN input
    Power switch on (IG), front passenger side power window fully closed
    11 to 14 V
    J2-4 (AUTO) - J2-1 (GND)
    L - W-B
    Power window motor AUTO DOWN input
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pushed down (Automatic operation)
    Below 1 V
    J2-4 (AUTO) - J2-1 (GND)
    L - W-B
    Power window motor AUTO DOWN input
    Power switch on (IG), front passenger side power window fully open
    11 to 14 V
    J2-5 (LED) - J2-1 (GND)
    Y - W-B
    LED illumination signal
    Power switch on (IG)
    11 to 14 V
    J2-5 (LED) - J2-1 (GND)
    Y - W-B
    LED illumination signal
    Approximately 43 seconds after power switch turned off
    Below 1 V
    J2-7 (DOWN) - J2-1 (GND)
    G - W-B
    Power window motor DOWN input
    Power switch on (IG), power window regulator switch assembly not pushed or pulled
    11 to 14 V
    J2-7 (DOWN) - J2-1 (GND)
    G - W-B
    Power window motor DOWN input
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly pushed halfway down (Manual operation)
    Below 1 V
    J2-7 (DOWN) - J2-1 (GND)
    G - W-B
    Power window motor DOWN input
    Power switch on (IG), front passenger side power window fully closed
    11 to 14 V
    J2-7 (DOWN) - J2-1 (GND)
    G - W-B
    Power window motor DOWN input
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pushed down (Automatic operation)
    Below 1 V
    J2-7 (DOWN) - J2-1 (GND)
    G - W-B
    Power window motor DOWN input
    Power switch on (IG), front passenger side power window fully open
    11 to 14 V
    J2-10 (UP) - J2-1 (GND)
    B - W-B
    Power window motor UP input
    Power switch on (IG), power window regulator switch assembly not pushed or pulled
    11 to 14 V
    J2-10 (UP) - J2-1 (GND)
    B - W-B
    Power window motor UP input
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly pulled halfway up (Manual operation)
    Below 1 V
    J2-10 (UP) - J2-1 (GND)
    B - W-B
    Power window motor UP input
    Power switch on (IG), front passenger side power window fully open
    11 to 14 V
    J2-10 (UP) - J2-1 (GND)
    B - W-B
    Power window motor UP input
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pulled up (Automatic operation)
    Below 1 V
    J2-10 (UP) - J2-1 (GND)
    B - W-B
    Power window motor UP input
    Power switch on (IG), front passenger side power window fully closed
    11 to 14 V

    for RHD 
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    K2-4 (AUTO) - K2-1 (GND)
    B - W-B
    Power window motor AUTO UP input
    Power switch on (IG), front passenger side power window fully open
    11 to 14 V
    K2-4 (AUTO) - K2-1 (GND)
    B - W-B
    Power window motor AUTO UP input
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pulled up (Automatic operation)
    Below 1 V
    K2-4 (AUTO) - K2-1 (GND)
    B - W-B
    Power window motor AUTO UP input
    Power switch on (IG), front passenger side power window fully closed
    11 to 14 V
    K2-4 (AUTO) - K2-1 (GND)
    B - W-B
    Power window motor AUTO DOWN input
    Power switch on (IG), front passenger side power window fully closed
    11 to 14 V
    K2-4 (AUTO) - K2-1 (GND)
    B - W-B
    Power window motor AUTO DOWN input
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pushed down (Automatic operation)
    Below 1 V
    K2-4 (AUTO) - K2-1 (GND)
    B - W-B
    Power window motor AUTO DOWN input
    Power switch on (IG), front passenger side power window fully open
    11 to 14 V
    K2-5 (LED) - K2-1 (GND)
    B - W-B
    LED illumination signal
    Power switch on (IG)
    11 to 14 V
    K2-5 (LED) - K2-1 (GND)
    B - W-B
    LED illumination signal
    Approximately 43 seconds after power switch turned off
    Below 1 V
    K2-7 (DOWN) - K2-1 (GND)
    Y - W-B
    Power window motor DOWN input
    Power switch on (IG), power window regulator switch assembly not pushed or pulled
    11 to 14 V
    K2-7 (DOWN) - K2-1 (GND)
    Y - W-B
    Power window motor DOWN input
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly pushed halfway down (Manual operation)
    Below 1 V
    K2-7 (DOWN) - K2-1 (GND)
    Y - W-B
    Power window motor DOWN input
    Power switch on (IG), front passenger side power window fully closed
    11 to 14 V
    K2-7 (DOWN) - K2-1 (GND)
    Y - W-B
    Power window motor DOWN input
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pushed down (Automatic operation)
    Below 1 V
    K2-7 (DOWN) - K2-1 (GND)
    Y - W-B
    Power window motor DOWN input
    Power switch on (IG), front passenger side power window fully open
    11 to 14 V
    K2-10 (UP) - K2-1 (GND)
    V - W-B
    Power window motor UP input
    Power switch on (IG), power window regulator switch assembly not pushed or pulled
    11 to 14 V
    K2-10 (UP) - K2-1 (GND)
    V - W-B
    Power window motor UP input
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly pulled halfway up (Manual operation)
    Below 1 V
    K2-10 (UP) - K2-1 (GND)
    V - W-B
    Power window motor UP input
    Power switch on (IG), front passenger side power window fully open
    11 to 14 V
    K2-10 (UP) - K2-1 (GND)
    V - W-B
    Power window motor UP input
    Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pulled up (Automatic operation)
    Below 1 V
    K2-10 (UP) - K2-1 (GND)
    V - W-B
    Power window motor UP input
    Power switch on (IG), front passenger side power window fully closed
    11 to 14 V
    If the result is not as specified, the power window regulator motor assembly (for front passenger side) may have a malfunction.


CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Side)


  1. Disconnect the M2 power window regulator motor assembly (for rear LH side) connector.


    B203471E90

  2. Measure the voltage and resistance according to the value(s) in the table below.

    HINT:
    Measure the values on the wire harness side with the connector disconnected.


    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    M2-1 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    M2-2 (B) - Body ground
    R - Body ground
    Power supply
    Power switch off
    11 to 14 V
    If the result is not as specified, there may be a malfunction in the wire harness.

  3. Reconnect the M2 power window regulator motor assembly (for rear LH side) connector.

  4. Measure the voltage according to the value(s) in the table below.

    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    M2-4 (AUTO) - M2-1 (GND)
    V - W-B
    Power window motor AUTO UP input
    Power switch on (IG), rear LH side power window fully open
    11 to 14 V
    M2-4 (AUTO) - M2-1 (GND)
    V - W-B
    Power window motor AUTO UP input
    Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) fully pulled up (Automatic operation)
    Below 1 V
    M2-4 (AUTO) - M2-1 (GND)
    V - W-B
    Power window motor AUTO UP input
    Power switch on (IG), rear LH side power window fully closed
    11 to 14 V
    M2-4 (AUTO) - M2-1 (GND)
    V - W-B
    Power window motor AUTO DOWN input
    Power switch on (IG), rear LH side power window fully closed
    11 to 14 V
    M2-4 (AUTO) - M2-1 (GND)
    V - W-B
    Power window motor AUTO DOWN input
    Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) fully pushed down (Automatic operation)
    Below 1 V
    M2-4 (AUTO) - M2-1 (GND)
    V - W-B
    Power window motor AUTO DOWN input
    Power switch on (IG), rear LH side power window fully open
    11 to 14 V
    M2-5 (LED) - M2-1 (GND)
    Y - W-B
    LED illumination signal
    Power switch on (IG)
    11 to 14 V
    M2-5 (LED) - M2-1 (GND)
    Y - W-B
    LED illumination signal
    Approximately 43 seconds after power switch turned off
    Below 1 V
    M2-7 (DOWN) - M2-1 (GND)
    GR - W-B
    Power window motor DOWN input
    Power switch on (IG), rear power window regulator switch assembly (for LH side) not pushed or pulled
    11 to 14 V
    M2-7 (DOWN) - M2-1 (GND)
    GR - W-B
    Power window motor DOWN input
    Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) pushed halfway down (Manual operation)
    Below 1 V
    M2-7 (DOWN) - M2-1 (GND)
    GR - W-B
    Power window motor DOWN input
    Power switch on (IG), rear LH side power window fully closed
    11 to 14 V
    M2-7 (DOWN) - M2-1 (GND)
    GR - W-B
    Power window motor DOWN input
    Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) fully pushed down (Automatic operation)
    Below 1 V
    M2-7 (DOWN) - M2-1 (GND)
    GR - W-B
    Power window motor DOWN input
    Power switch on (IG), rear LH side power window fully open
    11 to 14 V
    M2-10 (UP) - M2-1 (GND)
    L - W-B
    Power window motor UP input
    Power switch on (IG), rear power window regulator switch assembly (for LH side) not pushed or pulled
    11 to 14 V
    M2-10 (UP) - M2-1 (GND)
    L - W-B
    Power window motor UP input
    Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) pulled halfway up (Manual operation)
    Below 1 V
    M2-10 (UP) - M2-1 (GND)
    L - W-B
    Power window motor UP input
    Power switch on (IG), rear LH side power window fully open
    11 to 14 V
    M2-10 (UP) - M2-1 (GND)
    L - W-B
    Power window motor UP input
    Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) fully pulled up (Automatic operation)
    Below 1 V
    M2-10 (UP) - M2-1 (GND)
    L - W-B
    Power window motor UP input
    Power switch on (IG), rear LH side power window fully closed
    11 to 14 V
    If the result is not as specified, the power window regulator motor assembly (for rear LH side) may have a malfunction.


CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Side)


  1. Disconnect the L2 power window regulator motor assembly (for rear RH side) connector.


    B203471E91

  2. Measure the voltage and resistance according to the value(s) in the table below.

    HINT:
    Measure the values on the wire harness side with the connector disconnected.


    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    L2-1 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    L2-2 (B) - Body ground
    R - Body ground
    Power supply
    Power switch off
    11 to 14 V
    If the result is not as specified, there may be a malfunction in the wire harness.

  3. Reconnect the L2 power window regulator motor assembly (for rear RH side) connector.

  4. Measure the voltage according to the value(s) in the table below.

    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    L2-4 (AUTO) - L2-1 (GND)
    L - W-B
    Power window motor AUTO UP input
    Power switch on (IG), rear RH side power window fully open
    11 to 14 V
    L2-4 (AUTO) - L2-1 (GND)
    L - W-B
    Power window motor AUTO UP input
    Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) fully pulled up (Automatic operation)
    Below 1 V
    L2-4 (AUTO) - L2-1 (GND)
    L - W-B
    Power window motor AUTO UP input
    Power switch on (IG), rear RH side power window fully closed
    11 to 14 V
    L2-4 (AUTO) - L2-1 (GND)
    L - W-B
    Power window motor AUTO DOWN input
    Power switch on (IG), rear RH side power window fully closed
    11 to 14 V
    L2-4 (AUTO) - L2-1 (GND)
    L - W-B
    Power window motor AUTO DOWN input
    Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) fully pushed down (Automatic operation)
    Below 1 V
    L2-4 (AUTO) - L2-1 (GND)
    L - W-B
    Power window motor AUTO DOWN input
    Power switch on (IG), rear RH side power window fully open
    11 to 14 V
    L2-5 (LED) - L2-1 (GND)
    GR - W-B
    LED illumination signal
    Power switch on (IG)
    11 to 14 V
    L2-5 (LED) - L2-1 (GND)
    GR - W-B
    LED illumination signal
    Approximately 43 seconds after power switch turned off
    Below 1 V
    L2-7 (DOWN) - L2-1 (GND)
    Y - W-B
    Power window motor DOWN input
    Power switch on (IG), rear power window regulator switch assembly (for RH side) not pushed or pulled
    11 to 14 V
    L2-7 (DOWN) - L2-1 (GND)
    Y - W-B
    Power window motor DOWN input
    Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) pushed halfway down (Manual operation)
    Below 1 V
    L2-7 (DOWN) - L2-1 (GND)
    Y - W-B
    Power window motor DOWN input
    Power switch on (IG), rear RH side power window fully closed
    11 to 14 V
    L2-7 (DOWN) - L2-1 (GND)
    Y - W-B
    Power window motor DOWN input
    Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) fully pushed down (Automatic operation)
    Below 1 V
    L2-7 (DOWN) - L2-1 (GND)
    Y - W-B
    Power window motor DOWN input
    Power switch on (IG), rear RH side power window fully open
    11 to 14 V
    L2-10 (UP) - L2-1 (GND)
    V - W-B
    Power window motor UP input
    Power switch on (IG), rear power window regulator switch assembly (for RH side) not pushed or pulled
    11 to 14 V
    L2-10 (UP) - L2-1 (GND)
    V - W-B
    Power window motor UP input
    Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) pulled halfway up (Manual operation)
    Below 1 V
    L2-10 (UP) - L2-1 (GND)
    V - W-B
    Power window motor UP input
    Power switch on (IG), rear RH side power window fully open
    11 to 14 V
    L2-10 (UP) - L2-1 (GND)
    V - W-B
    Power window motor UP input
    Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) fully pulled up (Automatic operation)
    Below 1 V
    L2-10 (UP) - L2-1 (GND)
    V - W-B
    Power window motor UP input
    Power switch on (IG), rear RH side power window fully closed
    11 to 14 V
    If the result is not as specified, the power window regulator motor assembly (for rear RH side) may have a malfunction.


CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)


  1. Disconnect the 2C, F7 and 2B junction block connectors.


    E187247E19

  2. Disconnect the MB main body ECU (multiplex network body ECU) connector.

  3. Measure the voltage and resistance according to the value(s) in the table below.

    HINT:
    Measure the values on the wire harness side with the connectors disconnected.


    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    2B-6 (GND1) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    2C-18 (BECU) - Body ground
    B - Body ground
    Auxiliary battery power supply
    Power switch off
    11 to 14 V
    H17-3 (GND2) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    MB-29 (ACC) - Body ground
    -
    ACC power supply
    Power switch on (ACC)
    11 to 14 V
    MB-29 (ACC) - Body ground
    -
    ACC power supply
    Power switch off
    Below 1 V
    MB-31 (ALTB) - Body ground
    -
    Auxiliary battery power supply
    Power switch off
    11 to 14 V
    MB-32 (IG) - Body ground
    -
    Power switch power supply
    Power switch on (IG)
    11 to 14 V
    MB-32 (IG) - Body ground
    -
    Power switch power supply
    Power switch off
    Below 1 V
    If the result is not as specified, there may be a malfunction in the wire harness.

  4. Reconnect the 2C, F7 and 2B junction block connectors.

  5. Reconnect the MB main body ECU (multiplex network body ECU) connector.

  6. Measure the voltage according to the value(s) in the table below.

    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    2D-35 (FLCY) - Body ground
    BR - Body ground
    Front door courtesy switch LH input
    Front door LH open
    Below 1 V
    2D-35 (FLCY) - Body ground
    BR - Body ground
    Front door courtesy switch LH input
    Front door LH closed
    11 to 14 V
    2D-36 (FRCY) - Body ground
    BR - Body ground
    Front door courtesy switch RH input
    Front door RH open
    Below 1 V
    2D-36 (FRCY) - Body ground
    BR - Body ground
    Front door courtesy switch RH input
    Front door RH closed
    11 to 14 V
    H16-11 (L2) - Body ground
    G - Body ground
    Driver door key-linked lock input
    Driver door key cylinder turned to lock
    Below 1 V
    H16-11 (L2) - Body ground
    G - Body ground
    Driver door key-linked lock input
    Driver door key cylinder off
    11 to 14 V
    H16-24 (UL3) - Body ground
    V - Body ground
    Driver door key-linked unlock input
    Driver door key cylinder turned to unlock
    Below 1 V
    H16-24 (UL3) - Body ground
    V - Body ground
    Driver door key-linked unlock input
    Driver door key cylinder off
    Pulse generation
    If the result is not as specified, the main body ECU (multiplex network body ECU) or instrument panel junction block assembly may have a malfunction.


CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)


  1. Disconnect the H143 certification ECU (smart key ECU assembly) connector.


    B203498E70

  2. Measure the voltage and resistance according to the value(s) in the table below.

    HINT:
    Measure the values on the wire harness side with the connector disconnected.


    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    H143-1 (+B) - Body ground
    B - Body ground
    +B power supply
    Always
    11 to 14 V
    H143-15 (E) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    H143-17 (CUTB) - Body ground
    Y - Body ground
    Dark current cut fuse pin input signal
    Always
    11 to 14 V
    If the result is not as specified, there may be a malfunction in the wire harness.

  3. Reconnect the H143 certification ECU (smart key ECU assembly) connector.

  4. Measure the voltage and check for pulses according to the value(s) in the table below.

    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    H143-16 (IG) - Body ground
    BE - Body ground
    IG power supply
    Power switch off
    Below 1 V
    H143-16 (IG) - Body ground
    BE - Body ground
    IG power supply
    Power switch on (IG)
    11 to 14 V
    H144-5 (RC0) - H143-15 (E)
    R - W-B
    Door control receiver power source
    1. Power switch off
    2. Key not pushed
    4.5 to 5.5 V
    Pulse generation
    H144-5 (RC0) - H143-15 (E)
    R - W-B
    Door control receiver power source
    1. Power switch off
    2. Lock or unlock switch on, key pushed
    4.5 to 5.5 V
    H144-15 (RDA) - H143-15 (E)
    Y - W-B
    Door control receiver data input signal
    Power switch off
    Pulse between 11 to 14 V occurs regularly
    H144-16 (RSSI) - H143-15 (E)
    V - W-B
    Door control receiver electric wave existence signal
    1. Power switch off
    2. All doors locked
    3. Key not pushed
    11 to 14 V
    H144-16 (RSSI) - H143-15 (E)
    V - W-B
    Door control receiver electric wave existence signal
    1. Power switch off
    2. All doors locked
    3. Lock or unlock switch on, key pushed
    Below 2 V
    If the result is not as specified, the certification ECU (smart key ECU assembly) may have a malfunction.