POWER MIRROR CONTROL SYSTEM (w/o Memory) > TERMINALS OF ECU

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CHECK A/C AMPLIFIER ASSEMBLY


  1. Disconnect the H85 A/C amplifier assembly connector.


    E124486E71

  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
    H85-1 (IG+) - H85-14 (GND)
    B - W-B
    Power source (IG)
    Power switch on (IG)
    11 to 14 V
    H85-1 (IG+) - H85-14 (GND)
    B - W-B
    Power source (IG)
    Power switch off
    Below 1 V
    H85-21 (B) - H85-14 (GND)
    Y - W-B
    ECU power supply
    Always
    11 to 14 V
    H85-14 (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 H85 A/C amplifier assembly connector.

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

    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    H85-39 (HRLY) - F47-14 (GND)
    R - W-B
    Mirror heater switch signal
    Power switch on (IG), rear window defogger switch off
    11 to 14 V
    H85-39 (HRLY) - F47-14 (GND)
    R - W-B
    Mirror heater switch signal
    Power switch on (IG), rear window defogger switch on
    Below 1 V
    If the result is not as specified, the A/C amplifier assembly may have a malfunction.


CENTER CLUSTER MODULE CIRCUIT (AIR CONDITIONER CONTROL ASSEMBLY)


  1. Disconnect the H80 center cluster module circuit (air conditioner control assembly) connector.


    E222435E01

  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
    H80-2 (IG+) - Body ground
    B - Body ground
    Power switch signal
    Power switch on (IG)
    11 to 14 V
    H80-16 (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 H80 A/C control panel assembly connector.

  4. Check for pulses according to the value(s) in the table below.

    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    H80-11 (LIN1) - Body ground
    V - Body ground
    LIN communication signal
    Power switch on (IG)
    Pulse generation
    If the result is not as specified, the center cluster module circuit (air conditioner control assembly) may have a malfunction.