POWER WINDOW CONTROL SYSTEM TERMINALS OF ECU


  1. MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY


    1. Disconnect the J10*1 or I3*2 multiplex network master switch assembly connector.


      • *1: for LHD

      • *2: for RHD

      A01CAP0E37

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

      Tech Tips

      Measure the values on the wire harness side with connector disconnected.

      for LHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J10-11 (B) - J10-12 (GND) B - W-B Power supply Engine switch on (IG) 11 to 14 V
      J10-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      for RHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      I3-11 (B) - I3-12 (GND) B - W-B Power supply Engine switch on (IG) 11 to 14 V
      I3-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the J10*1 or I3*2 multiplex network master switch assembly connector.


      • *1: for LHD

      • *2: for RHD

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

      for LHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J10-15 (DOWN) - J10-12 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), driver side power window regulator switch OFF 11 to 14 V
      J10-15 (DOWN) - J10-12 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), driver door power window switch DOWN (Manual operation) Below 1 V
      J10-18 (LED) - J10-12 (GND) L - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      J10-18 (LED) - J10-12 (GND) L - W-B LED illumination signal Approximately 45 seconds after the engine switch is turned off Below 1 V
      J10-20 (UP) - J10-12 (GND) SB - W-B Power window motor UP output Engine switch on (IG), driver door power window switch OFF 11 to 14 V
      J10-20 (UP) - J10-12 (GND) SB - W-B Power window motor UP output Engine switch on (IG), driver door power window switch UP (Manual operation) Below 1 V
      for RHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      I3-15 (DOWN) - I3-12 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), driver side power window regulator switch OFF 11 to 14 V
      I3-15 (DOWN) - I3-12 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), driver door power window switch DOWN (Manual operation) Below 1 V
      I3-18 (LED) - I3-12 (GND) L - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      I3-18 (LED) - I3-12 (GND) L - W-B LED illumination signal Approximately 45 seconds after the engine switch is turned off Below 1 V
      I3-20 (UP) - I3-12 (GND) SB - W-B Power window motor UP output Engine switch on (IG), driver door power window switch OFF 11 to 14 V
      I3-20 (UP) - I3-12 (GND) SB - W-B Power window motor UP output Engine switch on (IG), driver door power window switch UP (Manual operation) Below 1 V

      If the result is not as specified, the multiplex network master switch assembly may have a malfunction.

  2. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Front Passenger Side)


    1. Disconnect the I18*1 or J3*2 power window regulator switch assembly (for front passenger side) connector.


      • *1: for LHD

      • *2: for RHD

      A01CE67E40

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

      Tech Tips

      Measure the values on the wire harness side with connector disconnected.

      for LHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      I18-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      for RHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J3-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the I18*1 or J3*2 power window regulator switch assembly (for front passenger side) connector.


      • *1: for LHD

      • *2: for RHD

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

      for LHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      I18-4 (LED) - I18-1 (GND) L - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      I18-4 (LED) - I18-1 (GND) L - W-B LED illumination signal Approximately 45 seconds after the engine switch is turned off Below 1 V
      I18-8 (AUTO) - I18-1 (GND) SB - W-B Power window motor AUTO UP output Engine switch on (IG), front passenger side power window fully open 11 to 14 V
      I18-8 (AUTO) - I18-1 (GND) SB - W-B Power window motor AUTO UP output Engine switch on (IG), front passenger side power window fully UP (AUTO UP position) Below 1 V
      I18-8 (AUTO) - I18-1 (GND) SB - W-B Power window motor AUTO UP output Engine switch on (IG), front passenger side power window fully stopped (UP) 11 to 14 V
      I18-8 (AUTO) - I18-1 (GND) SB - W-B Power window motor AUTO DOWN output Engine switch on (IG), front passenger side power window fully closed 11 to 14 V
      I18-8 (AUTO) - I18-1 (GND) SB - W-B Power window motor AUTO DOWN output Engine switch on (IG), front passenger side power window fully DOWN (AUTO DOWN position) Below 1 V
      I18-8 (AUTO) - I18-1 (GND) SB - W-B Power window motor AUTO DOWN output Engine switch on (IG), front passenger side power window fully stopped (DOWN) 11 to 14 V
      I18-7 (DOWN) - I18-1 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), power window regulator switch assembly (for front passenger side) OFF 11 to 14 V
      I18-7 (DOWN) - I18-1 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), power window regulator switch assembly (for front passenger side) DOWN (Manual operation) Below 1 V
      I18-6 (UP) - I18-1 (GND) SB - W-B Power window motor UP output Engine switch on (IG), power window regulator switch assembly (for front passenger side) OFF 11 to 14 V
      I18-6 (UP) - I18-1 (GND) SB - W-B Power window motor UP output Engine switch on (IG), power window regulator switch assembly (for front passenger side) UP (Manual operation) Below 1 V
      for RHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J3-4 (LED) - J3-1 (GND) L - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      J3-4 (LED) - J3-1 (GND) L - W-B LED illumination signal Approximately 45 seconds after the engine switch is turned off Below 1 V
      J3-8 (AUTO) - J3-1 (GND) SB - W-B Power window motor AUTO UP output Engine switch on (IG), front passenger side power window fully open 11 to 14 V
      J3-8 (AUTO) - J3-1 (GND) SB - W-B Power window motor AUTO UP output Engine switch on (IG), front passenger side power window fully UP (AUTO UP position) Below 1 V
      J3-8 (AUTO) - J3-1 (GND) SB - W-B Power window motor AUTO UP output Engine switch on (IG), front passenger side power window fully stopped (UP) 11 to 14 V
      J3-8 (AUTO) - J3-1 (GND) SB - W-B Power window motor AUTO DOWN output Engine switch on (IG), front passenger side power window fully closed 11 to 14 V
      J3-8 (AUTO) - J3-1 (GND) SB - W-B Power window motor AUTO DOWN output Engine switch on (IG), front passenger side power window fully DOWN (AUTO DOWN position) Below 1 V
      J3-8 (AUTO) - J3-1 (GND) SB - W-B Power window motor AUTO DOWN output Engine switch on (IG), front passenger side power window fully stopped (DOWN) 11 to 14 V
      J3-7 (DOWN) - J3-1 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), power window regulator switch assembly (for front passenger side) OFF 11 to 14 V
      J3-7 (DOWN) - J3-1 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), power window regulator switch assembly (for front passenger side) DOWN (Manual operation) Below 1 V
      J3-6 (UP) - J3-1 (GND) SB - W-B Power window motor UP output Engine switch on (IG), power window regulator switch assembly (for front passenger side) OFF 11 to 14 V
      J3-6 (UP) - J3-1 (GND) SB - W-B Power window motor UP output Engine switch on (IG), power window regulator switch assembly (for front passenger side) UP (Manual operation) Below 1 V

      If the result is not as specified, the power window regulator switch assembly (for front passenger side) may have a malfunction.

  3. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear LH Side)


    1. Disconnect the L1 power window regulator switch assembly (for rear LH side) connector.

      A01CE67E08

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

      Tech Tips

      Measure the values on the wire harness side with connector disconnected.

      Tester Connection 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 in the wire harness.

    3. Reconnect the L1 power window regulator switch assembly (for rear LH side) connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L1-4 (LED) - L1-1 (GND) SB - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      L1-4 (LED) - L1-1 (GND) SB - W-B LED illumination signal Approximately 45 seconds after the engine switch is turned off Below 1 V
      L1-8 (AUTO) - L1-1 (GND) SB - W-B Power window motor AUTO UP output Engine switch on (IG), rear LH side power window fully open 11 to 14 V
      L1-8 (AUTO) - L1-1 (GND) SB - W-B Power window motor AUTO UP output Engine switch on (IG), rear LH side power window fully UP (AUTO UP position) Below 1 V
      L1-8 (AUTO) - L1-1 (GND) SB - W-B Power window motor AUTO UP output Engine switch on (IG), rear LH side power window fully stopped (UP) 11 to 14 V
      L1-8 (AUTO) - L1-1 (GND) SB - W-B Power window motor AUTO DOWN output Engine switch on (IG), rear LH side power window fully closed 11 to 14 V
      L1-8 (AUTO) - L1-1 (GND) SB - W-B Power window motor AUTO DOWN output Engine switch on (IG), rear LH side power window fully DOWN (AUTO DOWN position) Below 1 V
      L1-8 (AUTO) - L1-1 (GND) SB - W-B Power window motor AUTO DOWN output Engine switch on (IG), rear LH side power window fully stopped (DOWN) 11 to 14 V
      L1-7 (DOWN) - L1-1 (GND) L - W-B Power window motor DOWN output Engine switch on (IG), power window regulator switch assembly (for rear LH side) OFF 11 to 14 V
      L1-7 (DOWN) - L1-1 (GND) L - W-B Power window motor DOWN output Engine switch on (IG), power window regulator switch assembly (for rear LH side) DOWN (Manual operation) Below 1 V
      L1-6 (UP) - L1-1 (GND) G - W-B Power window motor UP output Engine switch on (IG), power window regulator switch assembly (for rear LH side) OFF 11 to 14 V
      L1-6 (UP) - L1-1 (GND) G - W-B Power window motor UP output Engine switch on (IG), power window regulator switch assembly (for rear LH side) UP (Manual operation) Below 1 V

      If the result is not as specified, the power window regulator switch assembly (for rear LH side) may have a malfunction.

  4. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear RH Side)


    1. Disconnect the K1 power window regulator switch assembly (for rear RH side) connector.

      A01CE67E09

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

      Tech Tips

      Measure the values on the wire harness side with connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      K1-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the K1 power window regulator switch assembly (for rear RH side) connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      K1-4 (LED) - K1-1 (GND) L - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      K1-4 (LED) - K1-1 (GND) L - W-B LED illumination signal Approximately 45 seconds after the engine switch is turned off Below 1 V
      K1-8 (AUTO) - K1-1 (GND) SB - W-B Power window motor AUTO UP output Engine switch on (IG), rear RH side power window fully open 11 to 14 V
      K1-8 (AUTO) - K1-1 (GND) SB - W-B Power window motor AUTO UP output Engine switch on (IG), rear RH side power window fully open (AUTO UP position) Below 1 V
      K1-8 (AUTO) - K1-1 (GND) SB - W-B Power window motor AUTO UP output Engine switch on (IG), rear RH side power window fully stopped (UP) 11 to 14 V
      K1-8 (AUTO) - K1-1 (GND) SB - W-B Power window motor AUTO DOWN output Engine switch on (IG), rear RH side power window fully closed 11 to 14 V
      K1-8 (AUTO) - K1-1 (GND) SB - W-B Power window motor AUTO DOWN output Engine switch on (IG), rear RH side power window fully DOWN (AUTO DOWN position) Below 1 V
      K1-8 (AUTO) - K1-1 (GND) SB - W-B Power window motor AUTO DOWN output Engine switch on (IG), rear RH side power window fully stopped (DOWN) 11 to 14 V
      K1-7 (DOWN) - K1-1 (GND) L - W-B Power window motor DOWN output Engine switch on (IG), power window regulator switch assembly (for rear RH side) OFF 11 to 14 V
      K1-7 (DOWN) - K1-1 (GND) L - W-B Power window motor DOWN output Engine switch on (IG), power window regulator switch assembly (for rear RH side) DOWN (Manual operation) Below 1 V
      K1-6 (UP) - K1-1 (GND) SB - W-B Power window motor UP output Engine switch on (IG), power window regulator switch assembly (for rear RH side) OFF 11 to 14 V
      K1-6 (UP) - K1-1 (GND) SB - W-B Power window motor UP output Engine switch on (IG), power window regulator switch assembly (for rear RH side) UP (Manual operation) Below 1 V

      If the result is not as specified, the power window regulator switch assembly (for rear RH side) may have a malfunction.

  5. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side)


    1. Disconnect the J4*1 or I4*2 power window regulator motor assembly (for driver side) connector.


      • *1: for LHD

      • *2: for RHD

      A01CCWPE43

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

      Tech Tips

      Measure the values on the wire harness side with connector disconnected.

      for LHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J4-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      J4-2 (B) - Body ground B - Body ground Power supply Engine switch on (IG) 11 to 14 V
      for RHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      I4-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      I4-2 (B) - Body ground B - Body ground Power supply Engine switch on (IG) 11 to 14 V

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

  6. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side)


    1. Disconnect the I4*1 or J4*2 power window regulator motor assembly (for front passenger side) connector.


      • *1: for LHD

      • *2: for RHD

      A01CCWPE44

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

      Tech Tips

      Measure the values on the wire harness side with connector disconnected.

      for LHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      I4-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      I4-2 (B) - Body ground B - Body ground Power supply Engine switch on (IG) 11 to 14 V
      for RHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J4-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      J4-2 (B) - Body ground B - Body ground Power supply Engine switch on (IG) 11 to 14 V

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

  7. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Side)


    1. Disconnect the L2 power window regulator motor assembly (for rear LH side) connector.

      A01CCWPE37

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

      Tech Tips

      Measure the values on the wire harness side with connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L2-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      L2-2 (B) - Body ground L - Body ground Power supply Engine switch on (IG) 11 to 14 V

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

  8. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Side)


    1. Disconnect the K2 power window regulator motor assembly (for rear RH side) connector.

      A01CCWPE38

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

      Tech Tips

      Measure the values on the wire harness side with connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      K2-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      K2-2 (B) - Body ground L - Body ground Power supply Engine switch on (IG) 11 to 14 V

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

  9. CHECK MAIN BODY ECU


    1. Disconnect the 4K, 4A and G50 main body ECU connectors.

      A01CDWIE02

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

      Tech Tips

      Measure the values on the wire harness side with connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      4K-1 (BECU) - Body ground R - Body ground Battery power supply Always 11 to 14 V
      4K-9 (BATB) - Body ground W - Body ground Battery power supply Always 11 to 14 V
      4A-3 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
      G50-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the 4K, 4A and G50 main body ECU connectors.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      G48-24 (DCTY) - Body ground W - Body ground Driver side door courtesy switch input Driver side door open Below 1 V
      G48-24 (DCTY) - Body ground W - Body ground Driver side door courtesy switch input Driver side door closed 11 to 14 V or Pulse generation
      4A-11 (L2) - Body ground R - Body ground Door key-linked door lock input Key in driver door lock cylinder not turned 11 to 14 V
      4A-11 (L2) - Body ground R - Body ground Door key-linked door lock input Key in driver door lock cylinder turned to lock Below 1 V
      4A-25 (UL2) - Body ground W - Body ground Door key-linked door unlock input Key in driver door lock cylinder not turned 11 to 14 V
      4A-25 (UL2) - Body ground W - Body ground Door key-linked door unlock input Key in driver door lock cylinder turned to unlock Below 1 V

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