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Terminals Of Ecu

  1. POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 
    Fig 1: MI Switch Connector Terminals
    G04981061Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the M1 switch connector.
    2. Measure the voltage and resistance of each terminal according to the value(s) in the table below.

      Standard resistance 

      POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY RESISTANCE

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      E(M1-1)- Body ground W-B - Body ground Ground Always Below 1Ω

      Standard voltage 

      POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY VOLTAGE

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      B (M1-6) - E (M1-1) GR-W-B Power supply Ignition switch on (IG) 10 to 14 V

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

    3. Reconnect the M1 switch connector and reset the power window motor.
    4. Measure the voltage according to the value(s) in the table below.

    Standard voltage: with Jam protection 

    POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY VOLTAGE - WITH JAM PROTECTION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    UP (M1-8) - E (M1-1) G-W-B Power window motor UP output Ignition switch on (IG), driver side power window switch OFF → UP (Manual operation) 10 to 14V → 0 V
    AUTO (M1-4)-E (M1-1) B-W-B Power window motor AUTO UP output Ignition switch on (IG), driver; side power window fully open → driver side power window switch UP (AUTO UP position) → driver side power window fully closed 10 to 14V→0 V→10 to 14V
    Power window motor AUTO DOWN output Ignition switch on (IG), driver side power window fully closed → driver side power window switch DOWN (AUTO UP position) → driver side power window fully open 10 to 14V→0 V→10 to 14 V
    DN (M1-5)-E (M1-1) R-W-B Power window motor DOWN output Ignition switch on (IG), driver side power window switch OFF → DOWN (Manual operation) 10 to 14V→0 V
    PU (M1-16)-E (M1-1) W-W-B Power window motor UP output Ignition switch on (IG), front passenger side power window switch OFF → UP (Manual operation) 0 V → 10 to 14 V
    PD (M1-15)-E (M1-1) R-W-B Power window motor DOWN output Ignition switch on (IG), front passenger side power window switch OFF → DOWN (Manual operation) 0V → 10 to 14 V
    RLU (M1-12)-E (M1-1) L-W-B Power window motor UP output Ignition switch on (IG), rear LH side power window switch OFF → UP (Manual operation) 0V → 10 to 14 V
    RLD (M1-13)-E (M1-1) B-W-B Power window motor DOWN output Ignition switch on (IG), rear LH side power window switch OFF → UP (Manual operation) 0 V-4 10 to 14 V
    RRU (M1-10)-E (M1-1) Y-W-B Power window motor UP output Ignition switch on (IG), rear RH side power window switch OFF → UP (Manual operation) 0V →10 to 14 V
    RRD (M1-18)-E (M1-1) LG-W-B Power window motor DOWN output Ignition switch on (IG), rear RH side power window switch OFF → UP (Manual operation) 0V → 10 to 14 V

    without Jam protection 

    POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY VOLTAGE - WITHOUT JAM PROTECTION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    UP (M1-3)-E (M1-1) G-W-B Power window motor UP output Ignition switch on (IG), driver side power window switch OFF → UP (Manual operation) 0V → 10 to 14 V
    DN (M1-4)-E (M1-1) G-W-B Power window motor DOWN output Ignition switch on (IG), driver side power window switch OFF → DOWN (Manual operation) 0V → 10 to 14 V
    Power window motor AUTO DOWN output Ignition switch on (IG), driver side power window fully closed → driver side power window switch DOWN (AUTO operation) → driver side power window fully open 10 to 14V → 0 V → 10 to 14 V
    PU (M1-16)-E (M1-1) W-W-B Power window motor UP output Ignition switch on (IG), front passenger side power window switch OFF → UP (Manual operation) 0 V → 10 to 14 V
    PD(M1-15)-E(M1-1) R-W-B Power window motor DOWN output Ignition switch on (IG), front passenger side power window switch OFF → DOWN (Manual operation) 0V → 10 to 14 V
    RLU (M1-12)-E(M1-1) L-W-B Power window motor UP output Ignition switch on (IG), rear LH side power window switch OFF → UP (Manual operation) 0V → 10 to 14 V
    RLD (M1-13)-E (M1-1) B-W-B Power window motor DOWN output Ignition switch on (IG), rear LH side power window switch OFF → DOWN (Manual operation) 0 V → 10 to 14 V
    RRU (M1-10)-E (M1-1) Y-W-B Power window motor UP output ignition switch on (IG), rear RH side power window switch OFF → UP (Manual operation) 0 V → 10 to 14 V
    RRD (M1-18)-E(M1-1) LG-W-B Power window motor DOWN output Ignition switch on (IG), rear RH side power window switch OFF → DOWN (Manual operation) 0V → 10 to 14 V

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

  2. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (FRONT RH) 
    1. Disconnect the H6 switch connector.
    2. Measure the voltage according to the value(s) in the table below.
      Fig 2: Identifying H6 Switch Connector Terminals
      G04981062Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard voltage 

      POWER WINDOW REGULATOR SWITCH ASSEMBLY (FRONT RH) DISCONNECT

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      B (H6-3) - Body ground GR - Body ground Power supply Ignition switch on (IG) 10 to 14 V

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

    3. Reconnect the H6 switch connector and reset the power window motor.
    4. Measure the voltage according to the value(s) in the table below.

    Standard voltage 

    POWER WINDOW REGULATOR SWITCH ASSEMBLY (FRONT RH) RECONNECT

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    U (H6-4) - Body ground G - Body ground Power window motor UP output Ignition switch on (IG), front passenger side power window switch OFF → UP (Manual operation) 0 V → 10 to 14 V
    D (H6-1) - Body ground Y - Body ground Power window motor DOWN output Ignition switch on (IG), front passenger side power window switch OFF → DOWN (Manual operation) 0V → 10 to 14 V

    If the result is not as specified, the power window regulator switch assembly may have a malfunction.

  3. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (REAR LH) 
    1. Disconnect the K1 switch connector.
    2. Measure the voltage according to the value(s) in the table below.
      Fig 3: Identifying K1 Switch Connector Terminal
      G04981063Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard voltage 

      POWER WINDOW REGULATOR SWITCH ASSEMBLY (REAR LH) DISCONNECT

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      B (K1-3) - Body ground V - Body ground Power supply Ignition switch on (IG) 10 to 14 V

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

    3. Reconnect the K1 switch connector and reset the power window motor.
    4. Measure the voltage according to the value(s) in the table below.

    Standard voltage 

    POWER WINDOW REGULATOR SWITCH ASSEMBLY (REAR LH) RECONNECT

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    U (K1-4) - Body ground G - Body ground Power window motor UP output Ignition switch on (IG), front passenger side power window switch OFF → UP (Manual operation) 0 V → 10 to 14 V
    D (K1-1) - Body ground R - Body ground Power window motor DOWN output Ignition switch on (IG), front passenger side power window switch OFF → DOWN (Manual operation) 0V → 10 to 14 V

    If the result is not as specified, the power window regulator switch assembly may have a malfunction.

  4. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (REAR RH) 
    1. Disconnect the J1 switch connector.
    2. Measure the voltage according to the value(s) in the table below.
      Fig 4: Identifying J1 Switch Connector Terminals
      G04981064Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard voltage 

      POWER WINDOW REGULATOR SWITCH ASSEMBLY (REAR RH) DISCONNECT

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      B (J1-3) - Body ground G - Body ground Power supply Ignition switch on (IG) 10 to 14 V

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

    3. Reconnect the J1 switch connector and reset the power window motor.
    4. Measure the voltage according to the value(s) in the table below.

    Standard voltage 

    POWER WINDOW REGULATOR SWITCH ASSEMBLY (REAR RH) RECONNECT

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    U (J1-4) - Body ground V-Body ground Power window motor UP output Ignition switch on (IG), front passenger side power window switch OFF → UP (Manual operation) 0V → 10 to 14 V
    D (J1-1) - Body ground R - Body ground Power window motor DOWN output Ignition switch on (IG), front passenger side power window switch OFF → DOWN (Manual operation) 0V → 10 to 14 V

    If the result is not as specified, the power window regulator switch assembly may have a malfunction.

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