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Terminals Of Ecu

  1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 
    Fig 1: Identifying Power Window Regulator Master Switch Assembly Connector
    G04065662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the voltage of the switch connector.
    ECU CONNECTOR TERMINALS REFERENCE

    Symbols (Terminal No.) Wiring Color Condition Specified Condition
    GND (P15-2) - Body ground W-B - Body ground Always Below 1 V
    UP (P15-1) - GND (P15-2) Y - W-B Driver side power window does not operate Below 1 V
    Driver side power window moves upward 10 to 14 V
    KL (P15-4) - KEYEP (15-3) L-W - W-B Door key lock and unlock switch is in LOCK position Below 1 V
    Door key lock and unlock switch is in OFF position 10 to 14 V
    LMT (P15-5) - SGND (P15-13) L-Y - BR-B Except window full-close position Below 1 V
    Window full-close position 10 to 14 V
    WLSW (P15-6) - GND (P15-2) Y-B - W-B Window lock switch OFF 10 to 14 V
    Window lock switch ON Below 1 V
    MPX1 (P15-7) B Multiplex communication circuit -
    CPUB (P15-9) - GND (P15-2) L-W - W-B Always 10 to 14 V
    BDR (P15-10) - GND (P15-2) L - W-B Always 10 to 14 V
    DN (P15-11) - GND (P15-2) G - W-B Driver side power window does not operate Below 1 V
    Driver side power window moves downward 10 to 14 V
    KUL (P15-14) - KEYE (P15-3) G-B - W-B Door key lock and unlock switch is in OFF position 10 to 14 V
    Door key lock and unlock switch is in UNLOCK position Below 1 V
    PLS (P15-15) - SGND (P15-13) L-W - BR-B During power window operation Pulse generation
    Power window is not operated (pulse switch ON) Below 1 V
    Power window is not operated (pulse switch OFF) 10 to 14 V
    LSWD (P15-16) - KEYE (P15-3) L-B - W-B Driver door lock position switch ON 10 to 14 V
    Driver door lock position switch OFF Below 1 V
    SIG (P15-20) - GND (P15-2) B-W - W-B Ignition switch ON 10 to 14 V

    If the result is not as specified, the switch may have a malfunction.

  2. CHECK FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RH 
    Fig 2: Identifying Front Power Window Regulator Switch Assembly RH Connector
    G04065663Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the voltage of the switch connector.
    ECU CONNECTOR TERMINALS REFERENCE

    Symbols (Terminal No.) Wiring Color Condition Specified Condition
    GND (P12-7) - Body ground W-B - Body ground Always Below 1 V
    DN (P12-1) - GND (P12-7) G - W-B Front passenger side power window does not operate Below 1 V
    Front passenger side power window moves downward 10 to 14 V
    LMT (P12-3) - SGND (P12-5) L-Y - BR-B Except window full-close position Below 1 V
    Window full-close position 10 to 14 V
    PLS (P12-4) - SGND (P12-5) L-W - BR-B During power window operation Below 1 V
    Power window is not operated (pulse switch ON) 10 to 14 V
    Power window is not operated (pulse switch OFF) Below 1 V
    UP (P12-6) - GND (P12-7) Y - W-B Front passenger side power window is not operating Below 1 V
    Front passenger side power window is moving upward 10 to 14 V
    MPX1 (P12-8) W Multiplex communication circuit -
    SEL1 (P12-9) - GND (P12-7) W-B - W-B Always Below 1 V
    SEL2 (P12-10) - GND (P12-7) W-B - W-B Always Below 1 V
    PCT (P12-11) - GND (P12-7) Y-B - W-B Ignition switch ON, power window lock switch OFF Below 1 V
    Ignition switch ON, power window lock switch ON 10 to 14 V
    BDR (P12-12) - GND (P12-7) L - W-B Always 10 to 14 V

    If the result is not as specified, the switch may have a malfunction.

  3. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH 
    Fig 3: Identifying Rear Power Window Regulator Switch Assembly LH Connector
    G04065664Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the voltage of the switch connector.
    ECU CONNECTOR TERMINALS REFERENCE

    Symbols (Terminal No.) Wiring Color Condition Specified Condition
    GND (P13-7) - Body ground W-B - Body ground Always Below 1 V
    D (P13-1) - GND (P13-7) G - W-B Rear power window LH does not operate Below 1 V
    Rear power window LH moves downward 10 to 14 V
    LMT (P13-3) - SGND (P13-5) L-Y - BR-B Except window full-closed position Below 1 V
    Window full-closed position 10 to 14 V
    PLS (P13-4) - SGND (P13-5) L-W - BR-B During power window operation Below 1 V
    Power window is not operated (pulse switch ON) 10 to 14 V
    Power window is not operated (pulse switch OFF) Below 1 V
    U (P13-6) - GND (P13-7) Y - W-B Rear power window LH is not operating Below 1 V
    Rear power window LH is moving upward 10 to 14 V
    MPX1 (P13-8) W Multiplex communication circuit -
    SEL1 (P13-9) - GND (P13-7) W-B - W-B Always Below 1 V
    SEL2 (P13-10) - GND (P13-7) W-B - W-B Always Below 1 V
    PCTI (P13-11) - GND (P13-7) Y-B - W-B Ignition switch ON, power window lock switch OFF Below 1 V
    Ignition switch ON, power window lock switch ON 10 to 14 V
    BDR (P13-12) - GND (P13-7) L - W-B Always 10 to 14 V

    If the result is not as specified, the switch may have a malfunction.

  4. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH 
    Fig 4: Identifying Rear Power Window Regulator Switch Assembly RH Connector
    G04065665Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the voltage of the switch connector.
    ECU CONNECTOR TERMINALS REFERENCE

    Symbols (Terminal No.) Wiring Color Condition Specified Condition
    GND (P14-7) - Body ground W-B - Body ground Always Below 1 V
    D (P14-1) - GND (P14-7) G - W-B Rear power window RH does not operate Below 1 V
    Rear power window RH moves downward 10 to 14 V
    LMT (P14-3) - SGND (P14-5) L-Y - BR-B Except window full-closed position Below 1 V
    Window full-closed position 10 to 14 V
    PLS (P14-4) - SGND (P14-5) L-W - BR-B During power window operation Below 1 V
    Power window is not operated (pulse switch ON) 10 to 14 V
    Power window is not operated (pulse switch OFF) Below 1 V
    U (P14-6) - GND (P14-7) Y - W-B Rear power window RH is not operating Below 1 V
    Rear power window RH is moving upward 10 to 14 V
    MPX1 (P14-8) W Multiplex communication circuit -
    SEL1 (P14-9) - GND (P14-7) W-B - W-B Always Below 1 V
    SEL2 (P14-10) - GND (P14-7) W-B - W-B Always Below 1 V
    PCTI (P14-11) - GND (P14-7) Y-B - W-B Ignition switch ON, power window lock switch OFF Below 1 V
    Ignition switch ON, power window lock switch ON 10 to 14 V
    BDR (P14-12) - GND (P14-7) L - W-B Always 10 to 14 V

    If the result is not as specified, the switch may have a malfunction.

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