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

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CHECK OUTER MIRROR CONTROL ECU LH

B069728E04

  1. Disconnect the R17 connector.

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

    Standard voltage:

    Symbols (Terminal No.)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    BDR (P17-3) - Body ground
    G - Body ground
    +B power supply
    Always
    10 to 14 V
    CPUB (P17-7) - Body ground
    L-B - Body ground
    +B power supply
    Always
    10 to 14 V
    SIG (P17-8) - Body ground
    GR - Body ground
    Ignition power supply
    Ignition switch OFF → ON
    0 V → 10 to 14 V


    Standard resistance:

    Symbols (Terminal No.)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    GND (P27-1) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω

    If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the R17 connector.

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

    Standard voltage:

    Symbols (Terminal No.)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    LMVR (R22-1) - Body ground
    V - Body ground
    Outer mirror switch signal (Up or Right)
    Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch OFF→ UP or Right
    0 V → 10 to 14 V
    HTR+ (R22-4) - HTR- (R22-12)
    B - B
    Mirror heater signal
    Mirror heater switch ON
    0 V → 10 to 14 V
    LVC (R22-5) - Body ground
    R-W - Body ground
    Power source for mirror position sensor
    Ignition switch OFF → ACC
    0 V → 0 to 5 V
    VSSR (R22-6) - Body ground
    Y-B - Body ground
    Vertical direction position signal
    Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch uppermost position → lowermost position
    0 V → 1 to 3V
    LMHR (R22-9) - Body ground
    BR - Body ground
    Outer mirror switch signal (Left or Down)
    Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch OFF→ LEFT or DOWN
    0 V → 10 to 14 V
    LM+R (R22-10) - Body ground
    R - Body ground
    Outer mirror switch signal (Right or Down)
    Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch OFF→ RIGHT or DOWN
    0 V → 10 to 14 V
    HSSR (R22-13) - Body ground
    P - Body ground
    Horizontal direction position signal
    Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch innermost position → outermost position
    0 V → 1 to 3 V


CHECK OUTER MIRROR CONTROL ECU RH

B069726E05

  1. Disconnect the R18 connector.

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

    Standard voltage:

    Symbols (Terminal No.)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    BDR (P18-3) - Body ground
    G - Body ground
    +B power supply
    Always
    10 to 14 V
    CPUB (P18-7) - Body ground
    L-B - Body ground
    +B power supply
    Always
    10 to 14 V
    SIG (P18-8) - Body ground
    GR - Body ground
    Ignition power supply
    Ignition switch OFF → ON
    0 V → 10 to 14 V


    Standard resistance:

    Symbols (Terminal No.)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    GND (P18-1) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω

    If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the R18 connector.

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

    Standard voltage:

    Symbols (Terminal No.)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    LMVR (R23-1) - Body ground
    V - Body ground
    Outer mirror switch signal (Up or Right)
    Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch OFF→ UP or Right
    0 V → 10 to 14 V
    HTR+ (R23-4) - HTR- (R30-12)
    B - B
    Mirror heater signal
    Mirror heater switch ON
    0 V → 10 to 14 V
    LVC (R23-5) - Body ground
    R-W - Body ground
    Power source for mirror position sensor
    Ignition switch OFF → ACC
    0 V → 0 to 5 V
    VSSR (R23-6) - Body ground
    Y-B - Body ground
    Vertical direction position signal
    Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch uppermost position → lowermost position
    0 V → 1 to 3V
    LMHR (R23-9) - Body ground
    BR - Body ground
    Outer mirror switch signal (Left or Down)
    Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch OFF→ LEFT or DOWN
    0 V → 10 to 14 V
    LM+R (R23-10) - Body ground
    R - Body ground
    Outer mirror switch signal (Right or Down)
    Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch OFF→ RIGHT or DOWN
    0 V → 10 to 14 V
    HSSR (R23-13) - Body ground
    P - Body ground
    Horizontal direction position signal
    Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch innermost position → outermost position
    0 V → 1 to 3 V