POWER WINDOW CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK FRONT DOOR WINDOW REGULATOR ASSEMBLY (for Driver Side)

    A01INZ6E03
    Text in Illustration
    *1 for LHD *2 for RHD

    • *1: for LHD

    • *2: for RHD


    1. Disconnect the K8*1 or J6*2 regulator connector.

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

      for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K8-2 (B) - K8-1 (GND) L - W-B Battery power supply Always 11 to 14 V
      K8-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J6-2 (B) - J6-1 (GND) L - W-B Battery power supply Always 11 to 14 V
      J6-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the K8*1 or J6*2 regulator connector.

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

      for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K8-10 (UP) - K8-1 (GND) W - W-B Power window up operation Ignition switch ON, power window regulator master switch off → up 11 to 14 V → Below 1 V
      K8-10 (UP) - K8-1 (GND) W - W-B Power window up operation Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
      K8-7 (DOWN) - K8-1 (GND) B - W-B Power window down operation Ignition switch ON, power window regulator master switch off → down 11 to 14 V → Below 1 V
      K8-7 (DOWN) - K8-1 (GND) B - W-B Power window down operation Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open 11 to 14 V → Below 1 V → 11 to 14 V
      for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J6-10 (UP) - J6-1 (GND) W - W-B Power window up operation Ignition switch ON, power window regulator master switch off → up 11 to 14 V → Below 1 V
      J6-10 (UP) - J6-1 (GND) W - W-B Power window up operation Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
      J6-7 (DOWN) - J6-1 (GND) B - W-B Power window down operation Ignition switch ON, power window regulator master switch off → down 11 to 14 V → Below 1 V
      J6-7 (DOWN) - J6-1 (GND) B - W-B Power window down operation Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open 11 to 14 V → Below 1 V → 11 to 14 V

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

  2. CHECK FRONT DOOR WINDOW REGULATOR ASSEMBLY (for Front Passenger Side)

    A01INZ6E04
    Text in Illustration
    *1 for LHD *2 for RHD

    • *1: for LHD

    • *2: for RHD


    1. Disconnect the J8*1 or K10*2 regulator connector.

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

      for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J8-2 (B) - J8-1 (GND) G - W-B Battery power supply Always 11 to 14 V
      J8-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K10-2 (B) - K10-1 (GND) G - W-B Battery power supply Always 11 to 14 V
      K10-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the J8*1 or K10*2 regulator connector.

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

      for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J8-10 (UP) - J8-1 (GND) B - W-B Power window up operation Ignition switch ON, power window regulator switch off → up 11 to 14 V → Below 1 V
      J8-10 (UP) - J8-1 (GND) B - W-B Power window up operation Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
      J8-7 (DOWN) - J8-1 (GND) P - W-B Power window down operation Ignition switch ON, power window regulator switch off → down 11 to 14 V → Below 1 V
      J8-7 (DOWN) - J8-1 (GND) P - W-B Power window down operation Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open 11 to 14 V → Below 1 V → 11 to 14 V
      for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K10-10 (UP) - K10-1 (GND) B - W-B Power window up operation Ignition switch ON, power window regulator switch off → up 11 to 14 V → Below 1 V
      K10-10 (UP) - K10-1 (GND) B - W-B Power window up operation Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
      K10-7 (DOWN) - K10-1 (GND) P - W-B Power window down operation Ignition switch ON, power window regulator switch off → down 11 to 14 V → Below 1 V
      K10-7 (DOWN) - K10-1 (GND) P - W-B Power window down operation Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open 11 to 14 V → Below 1 V → 11 to 14 V

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

  3. CHECK REAR DOOR WINDOW REGULATOR ASSEMBLY LH (w/ Rear Door Power Window)

    A01ITX5E79

    1. Disconnect the M3 regulator connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      M3-2 (B) - M3-1 (GND) BR - W-B Battery power supply Always 11 to 14 V
      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 on the wire harness side.

    3. Reconnect the M3 regulator connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      M3-10 (UP) - M3-1 (GND) B - W-B Power window up operation Ignition switch ON, power window regulator switch off → up 11 to 14 V → Below 1 V
      M3-10 (UP) - M3-1 (GND) B - W-B Power window up operation Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
      M3-7 (DOWN) - M3-1 (GND) P - W-B Power window down operation Ignition switch ON, power window regulator switch off → down 11 to 14 V → Below 1 V
      M3-7 (DOWN) - M3-1 (GND) P - W-B Power window down operation Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open 11 to 14 V → Below 1 V → 11 to 14 V

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

  4. CHECK REAR DOOR WINDOW REGULATOR ASSEMBLY RH (w/ Rear Door Power Window)

    A01ITX5E80

    1. Disconnect the L3 regulator connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      L3-2 (B) - L3-1 (GND) L - W-B Battery power supply Always 11 to 14 V
      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 on the wire harness side.

    3. Reconnect the L3 regulator connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      L3-10 (UP) - L3-1 (GND) B - W-B Power window up operation Ignition switch ON, power window regulator switch off → up 11 to 14 V → Below 1 V
      L3-10 (UP) - L3-1 (GND) B - W-B Power window up operation Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
      L3-7 (DOWN) - L3-1 (GND) P - W-B Power window down operation Ignition switch ON, power window regulator switch off → down 11 to 14 V → Below 1 V
      L3-7 (DOWN) - L3-1 (GND) P - W-B Power window down operation Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open 11 to 14 V → Below 1 V → 11 to 14 V

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

  5. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

    A01IQWJE48
    Text in Illustration
    *1 for LHD *2 for RHD

    • *1: for LHD

    • *2: for RHD


    1. Disconnect the K5*1 or J5*2 master switch connector.

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

      for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K5-11 (B) - K5-12 (GND) R - W-B Battery power supply Always 11 to 14 V
      K5-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J5-11 (B) - J5-12 (GND) R - W-B Battery power supply Always 11 to 14 V
      J5-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the K5*1 or J5*2 master switch connector.

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

      for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K5-20 (UP) - K5-12 (GND) W - W-B Power window up operation Ignition switch ON, power window regulator master switch off → up 11 to 14 V → Below 1 V
      K5-20 (UP) - K5-12 (GND) W - W-B Power window up operation Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
      K5-15 (DOWN) - K5-12 (GND) B - W-B Power window down operation Ignition switch ON, power window regulator master switch off → down 11 to 14 V → Below 1 V
      K5-15 (DOWN) - K5-12 (GND) B - W-B Power window down operation Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open 11 to 14 V → Below 1 V → 11 to 14 V
      for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J5-20 (UP) - J5-12 (GND) W - W-B Power window up operation Ignition switch ON, power window regulator master switch off → up 11 to 14 V → Below 1 V
      J5-20 (UP) - J5-12 (GND) W - W-B Power window up operation Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
      J5-15 (DOWN) - J5-12 (GND) B - W-B Power window down operation Ignition switch ON, power window regulator master switch off → down 11 to 14 V → Below 1 V
      J5-15 (DOWN) - J5-12 (GND) B - W-B Power window down operation Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open 11 to 14 V → Below 1 V → 11 to 14 V

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

  6. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY

    A01IS48E02
    Text in Illustration
    *1 for LHD *2 for RHD

    • *1: for LHD

    • *2: for RHD


    1. Disconnect the J4*1 or K4*2 switch connector.

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

      for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J4-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K4-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the J4*1 or K4*2 switch connector.

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

      for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J4-6 (UP) - J4-1 (GND) B - W-B Power window up operation Ignition switch ON, power window regulator switch off → up 11 to 14 V → Below 1 V
      J4-7 (DOWN) - J4-1 (GND) P - W-B Power window down operation Ignition switch ON, power window regulator switch off → down 11 to 14 V → Below 1 V
      J4-8 (AUTO) - J4-1 (GND) W - W-B Power window up operation Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
      J4-8 (AUTO) - J4-1 (GND) W - W-B Power window down operation Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open 11 to 14 V → Below 1 V → 11 to 14 V
      for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K4-6 (UP) - K4-1 (GND) B - W-B Power window up operation Ignition switch ON, power window regulator switch off → up 11 to 14 V → Below 1 V
      K4-7 (DOWN) - K4-1 (GND) P - W-B Power window down operation Ignition switch ON, power window regulator switch off → down 11 to 14 V → Below 1 V
      K4-8 (AUTO) - K4-1 (GND) W - W-B Power window up operation Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
      K4-8 (AUTO) - K4-1 (GND) W - W-B Power window down operation Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open 11 to 14 V → Below 1 V → 11 to 14 V

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

  7. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH (w/ Rear Door Power Window)

    A01IOIJE03

    1. Disconnect the M1 switch connector.

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

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

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

    3. Reconnect the M1 switch connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      M1-6 (UP) - M1-1 (GND) B - W-B Power window up operation Ignition switch ON, power window regulator switch off → up 11 to 14 V → Below 1 V
      M1-7 (DOWN) - M1-1 (GND) P - W-B Power window down operation Ignition switch ON, power window regulator switch off → down 11 to 14 V → Below 1 V
      M1-8 (AUTO) - M1-1 (GND) W - W-B Power window up operation Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
      M1-8 (AUTO) - M1-1 (GND) W - W-B Power window down operation Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open 11 to 14 V → Below 1 V → 11 to 14 V

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

  8. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH (w/ Rear Door Power Window)

    A01IOIJE04

    1. Disconnect the L1 switch connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      L1-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the L1 switch connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      L1-6 (UP) - L1-1 (GND) B - W-B Power window up operation Ignition switch ON, power window regulator switch off → up 11 to 14 V → Below 1 V
      L1-7 (DOWN) - L1-1 (GND) P - W-B Power window down operation Ignition switch ON, power window regulator switch off → down 11 to 14 V → Below 1 V
      L1-8 (AUTO) - L1-1 (GND) W - W-B Power window up operation Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
      L1-8 (AUTO) - L1-1 (GND) W - W-B Power window down operation Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open 11 to 14 V → Below 1 V → 11 to 14 V

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

  9. CHECK MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)

    A01IQBVE04

    1. Disconnect the DB, DE, DG and H80 ECU connectors.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      DE-28 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      H80-4 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
      DB-30 (BECU) - Body ground W - Body ground Power source Always 11 to 14 V
      DG-1 (ALTB) - Body ground W - Body ground

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

    3. Reconnect the DB, DE, DG and H80 ECU connectors.

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

      for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      DA-21 (DCTY) - Body ground W - Body ground Front door courtesy light switch LH input Driver side door open Below 1 V
      Driver side door closed 11 to 14 V
      DE-20 (PCTY) - Body ground BR - Body ground Front door courtesy light switch RH input Front passenger side door open Below 1 V
      Front passenger side door closed 11 to 14 V
      for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      DC-6 (DCTY) - Body ground BR - Body ground Front door courtesy light switch RH input Driver side door open Below 1 V
      Driver side door closed 11 to 14 V
      DA-24 (PCTY) - Body ground W - Body ground Front door courtesy light switch LH input Front passenger side door open Below 1 V
      Front passenger side door closed 11 to 14 V

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