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Terminals Of Ecu

  1. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 
    1. Disconnect the H8 multiplex network master switch assembly connector.
      Fig 1: Multiplex Network Master Switch Assembly Connector Terminal Identification
      GTY301929Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H8-11 (B) - H8-12 (E) W - W-B Power supply Ignition switch ON 11 to 14 V
      H8-12 (E) - 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 H8 multiplex network master switch assembly connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H8-15 (DOWN) - H8-12 (E) P - W-B Power window motor DOWN output Ignition switch ON, multiplex network master switch assembly off 11 to 14 V
      Ignition switch ON, multiplex network master switch assembly DOWN (Manual operation) Below 1 V
      H8-18 (LED) - H8-12 (E) R - W-B LED illumination signal Ignition switch ON 11 to 14 V
      Approximately 43 seconds after ignition switch turned off Below 1 V
      H8-20 (UP) - H8-12 (E) V - W-B Power window motor UP output Ignition switch ON, multiplex network master switch assembly off 11 to 14 V
      Ignition switch ON, multiplex network master switch assembly 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 FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RH 
    1. Disconnect the G7 front power window regulator switch assembly RH connector.
      Fig 2: Front Power Window Regulator Switch Assembly RH Connector Terminal Identification
      GTY305645Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      HINT: 

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G7-1 (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 G7 front power window regulator switch assembly RH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G7-4 (LED) - G7-1 (GND) R - W-B LED illumination signal Ignition switch ON 11 to 14 V
      Approximately 43 seconds after ignition switch turned off Below 1 V
      G7-8 (AUTO) - G7-1 (GND) B - W-B Power window motor AUTO UP output Ignition switch ON, front passenger side power window fully open 11 to 14 V
      Ignition switch ON, front passenger side power window fully UP (AUTO UP position) Below 1 V
      Ignition switch ON, front passenger side power window fully stopped (UP) 11 to 14 V
      Power window motor AUTO DOWN output Ignition switch ON, front passenger side power window fully closed 11 to 14 V
      Ignition switch ON, front passenger side power window fully DOWN (AUTO DOWN position) Below 1 V
      Ignition switch ON, front passenger side power window fully stopped (DOWN) 11 to 14 V
      G7-7 (DOWN) - G7-1 (GND) G - W-B Power window motor DOWN output Ignition switch ON, front power window regulator switch assembly RH off 11 to 14 V
      Ignition switch ON, front power window regulator switch assembly RH DOWN (Manual operation) Below 1 V
      G7-6 (UP) - G7-1 (GND) V - W-B Power window motor UP output Ignition switch ON, front power window regulator switch assembly RH off 11 to 14 V
      Ignition switch ON, front power window regulator switch assembly RH UP (Manual operation) Below 1 V

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

  3. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH 
    1. Disconnect the J1 rear power window regulator switch assembly LH connector.
      Fig 3: Rear Power Window Regulator Switch Assembly LH Connector Terminal Identification
      GTY296215Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      HINT: 

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J1-1 (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 J1 rear power window regulator switch assembly LH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J1-4 (LED) - J1-1 (GND) B - W-B LED illumination signal Ignition switch ON 11 to 14 V
      Approximately 43 seconds after ignition switch turned off Below 1 V
      J1-8 (AUTO) - J1-1 (GND) G - W-B Power window motor AUTO UP output Ignition switch ON, rear LH side power window fully open 11 to 14 V
      Ignition switch ON, rear LH side power window fully UP (AUTO UP position) Below 1 V
      Ignition switch ON, rear LH side power window fully stopped (UP) 11 to 14 V
      Power window motor AUTO DOWN output Ignition switch ON, rear LH side power window fully closed 11 to 14 V
      Ignition switch ON, rear LH side power window fully DOWN (AUTO DOWN position) Below 1 V
      Ignition switch ON, rear LH side power window fully stopped (DOWN) 11 to 14 V
      J1-7 (DOWN) - J1-1 (GND) W - W-B Power window motor DOWN output Ignition switch ON, rear power window regulator switch assembly LH off 11 to 14 V
      Ignition switch ON, rear power window regulator switch assembly LH DOWN (Manual operation) Below 1 V
      J1-6 (UP) - J1-1 (GND) R - W-B Power window motor UP output Ignition switch ON, rear power window regulator switch assembly LH off 11 to 14 V
      Ignition switch ON, rear power window regulator switch assembly LH UP (Manual operation) Below 1 V

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

  4. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH 
    1. Disconnect the I1 rear power window regulator switch assembly RH connector.
      Fig 4: Rear Power Window Regulator Switch Assembly RH Connector Terminal Identification
      GTY296219Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      HINT: 

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I1-1 (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 I1 rear power window regulator switch assembly RH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I1-4 (LED) - I1-1 (GND) SB - W-B LED illumination signal Ignition switch ON 11 to 14 V
      Approximately 43 seconds after ignition switch turned off Below 1 V
      I1-8 (AUTO) - I1-1 (GND) B - W-B Power window motor AUTO UP output Ignition switch ON, rear RH side power window fully open 11 to 14 V
      Ignition switch ON, rear RH side power window fully open (AUTO UP position) Below 1 V
      Ignition switch ON, rear RH side power window fully stopped (UP) 11 to 14 V
      Power window motor AUTO DOWN output Ignition switch ON, rear RH side power window fully closed 11 to 14 V
      Ignition switch ON, rear RH side power window fully DOWN (AUTO DOWN position) Below 1 V
      Ignition switch ON, rear RH side power window fully stopped (DOWN) 11 to 14 V
      I1-7 (DOWN) - I1-1 (GND) G - W-B Power window motor DOWN output Ignition switch ON, rear power window regulator switch assembly RH off 11 to 14 V
      Ignition switch ON, rear power window regulator switch assembly RH DOWN (Manual operation) Below 1 V
      I1-6 (UP) - I1-1 (GND) R - W-B Power window motor UP output Ignition switch ON, rear power window regulator switch assembly RH off 11 to 14 V
      Ignition switch ON, rear power window regulator switch assembly RH UP (Manual operation) Below 1 V

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

  5. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 
    1. Disconnect the H1 front power window regulator motor assembly LH connector.
      Fig 5: Front Power Window Regulator Motor Assembly LH Connector Terminal Identification
      GTY303111Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H1-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      H1-2 (B) - Body ground G - Body ground Power supply Always 11 to 14 V

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

    3. Reconnect the H1 front power window regulator motor assembly LH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H1-5 (LED) - H1-1 (GND) R - W-B LED illumination signal Ignition switch ON 11 to 14 V
      Approximately 43 seconds after ignition switch turned off Below 1 V
      H1-7 (DOWN) - H1-1 (GND) P - W-B Power window motor DOWN input Ignition switch ON, multiplex network master switch assembly off 11 to 14 V
      Ignition switch ON, multiplex network master switch assembly DOWN (Manual operation) Below 1 V
      Ignition switch ON, driver side power window fully closed 11 to 14 V
      Ignition switch ON, driver side power window fully DOWN (AUTO DOWN position) Below 1 V
      Ignition switch ON, driver side power window fully stopped (DOWN) 11 to 14 V
      H1-10 (UP) - H1-1 (GND) V - W-B Power window motor UP input Ignition switch ON, multiplex network master switch assembly off 11 to 14 V
      Ignition switch ON, multiplex network master switch assembly UP (Manual operation) Below 1 V
      Ignition switch ON, driver side power window fully open 11 to 14 V
      Ignition switch ON, driver side power window fully UP (AUTO UP position) Below 1 V
      Ignition switch ON, driver side power window fully stopped (UP) 11 to 14 V

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

  6. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 
    1. Disconnect the G1 front power window regulator motor assembly RH connector.
      Fig 6: Front Power Window Regulator Motor Assembly RH Connector Terminal Identification
      GTY303112Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G1-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      G1-2 (B) - Body ground G - Body ground Power supply Always 11 to 14 V

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

    3. Reconnect the G1 front power window regulator motor assembly RH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G1-4 (AUTO) - G1-1 (GND) B - W-B Power window motor AUTO UP input Ignition switch ON, front passenger side power window fully open 11 to 14 V
      Ignition switch ON, front passenger side power window fully UP (AUTO UP position) Below 1 V
      Ignition switch ON, front passenger side power window fully stopped (UP) 11 to 14 V
      Power window motor AUTO DOWN input Ignition switch ON, front passenger side power window fully closed 11 to 14 V
      Ignition switch ON, front passenger side power window fully DOWN (AUTO DOWN position) Below 1 V
      Ignition switch ON, front passenger side power window fully stopped (DOWN) 11 to 14 V
      G1-5 (LED) - G1-1 (GND) R - W-B LED illumination signal Ignition switch ON 11 to 14 V
      Approximately 43 seconds after ignition switch turned off Below 1 V
      G1-7 (DOWN) - G1-1 (GND) G - W-B Power window motor DOWN input Ignition switch ON, front power window regulator switch assembly RH off 11 to 14 V
      Ignition switch ON, front power window regulator switch assembly RH DOWN (Manual operation) Below 1 V
      Ignition switch ON, front passenger side power window fully closed 11 to 14 V
      Ignition switch ON, front passenger side power window fully DOWN (AUTO DOWN position) Below 1 V
      Ignition switch ON, front passenger side power window fully stopped (DOWN) 11 to 14 V
      G1-10 (UP) - G1-1 (GND) V - W-B Power window motor UP input Ignition switch ON, front power window regulator switch assembly RH off 11 to 14 V
      Ignition switch ON, front power window regulator switch assembly RH UP (Manual operation) Below 1 V
      Ignition switch ON, front passenger side power window fully open 11 to 14 V
      Ignition switch ON, front passenger side power window fully UP (AUTO UP position) Below 1 V
      Ignition switch ON, front passenger side power window fully stopped (UP) 11 to 14 V

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

  7. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 
    1. Disconnect the J7 rear power window regulator motor assembly LH connector.
      Fig 7: Rear Power Window Regulator Motor Assembly LH Connector Terminal Identification
      GTY303113Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J7-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      J7-2 (B) - Body ground GR - Body ground Power supply Always 11 to 14 V

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

    3. Reconnect the J7 rear power window regulator motor assembly LH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J7-4 (AUTO) - J7-1 (GND) G - W-B Power window motor AUTO UP input Ignition switch ON, rear LH side power window fully open 11 to 14 V
      Ignition switch ON, rear LH side power window fully UP (AUTO UP position) Below 1 V
      Ignition switch ON, rear LH side power window fully stopped (UP) 11 to 14 V
      Power window motor AUTO DOWN input Ignition switch ON, rear LH side power window fully closed 11 to 14 V
      Ignition switch ON, rear LH side power window fully DOWN (AUTO DOWN position) Below 1 V
      Ignition switch ON, rear LH side power window fully stopped (DOWN) 11 to 14 V
      J7-5 (LED) - J7-1 (GND) B - W-B LED illumination signal Ignition switch ON 11 to 14 V
      Approximately 43 seconds after ignition switch turned off Below 1 V
      J7-7 (DOWN) - J7-1 (GND) W - W-B Power window motor DOWN input Ignition switch ON, rear power window regulator switch assembly LH off 11 to 14 V
      Ignition switch ON, rear power window regulator switch assembly LH DOWN (Manual operation) Below 1 V
      Ignition switch ON, rear LH side power window fully closed 11 to 14 V
      Ignition switch ON, rear LH side power window fully DOWN (AUTO DOWN position) Below 1 V
      Ignition switch ON, rear LH side power window fully stopped (DOWN) 11 to 14 V
      J7-10 (UP) - J7-1 (GND) R - W-B Power window motor UP input Ignition switch ON, rear power window regulator switch assembly LH off 11 to 14 V
      Ignition switch ON, rear power window regulator switch assembly LH UP (Manual operation) Below 1 V
      Ignition switch ON, rear LH side power window fully open 11 to 14 V
      Ignition switch ON, rear LH side power window fully UP (AUTO UP position) Below 1 V
      Ignition switch ON, rear LH side power window fully stopped (UP) 11 to 14 V

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

  8. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 
    1. Disconnect the I7 rear power window regulator motor assembly RH connector.
      Fig 8: Rear Power Window Regulator Motor Assembly RH Connector Terminal Identification
      GTY303114Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I7-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      I7-2 (B) - Body ground R - Body ground Power supply Always 11 to 14 V

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

    3. Reconnect the I7 rear power window regulator motor assembly RH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I7-4 (AUTO) - I7-1 (GND) B - W-B Power window motor AUTO UP input Ignition switch ON, rear RH side power window fully open 11 to 14 V
      Ignition switch ON, rear RH side power window fully open (AUTO UP position) Below 1 V
      Ignition switch ON, rear RH side power window fully stopped (UP) 11 to 14 V
      Power window motor AUTO DOWN input Ignition switch ON, rear RH side power window fully closed 11 to 14 V
      Ignition switch ON, rear RH side power window fully DOWN (AUTO DOWN position) Below 1 V
      Ignition switch ON, rear RH side power window fully stopped (DOWN) 11 to 14 V
      I7-5 (LED) - I7-1 (GND) SB - W-B LED illumination signal Ignition switch ON 11 to 14 V
      Approximately 43 seconds after ignition switch turned off Below 1 V
      I7-7 (DOWN) - I7-1 (GND) G - W-B Power window motor DOWN input Ignition switch ON, rear power window regulator switch assembly RH off 11 to 14 V
      Ignition switch ON, rear power window regulator switch assembly RH DOWN (Manual operation) Below 1 V
      Ignition switch ON, rear RH side power window fully closed 11 to 14 V
      Ignition switch ON, rear RH side power window fully DOWN (AUTO DOWN position) Below 1 V
      Ignition switch ON, rear RH side power window fully stopped (DOWN) 11 to 14 V
      I7-10 (UP) - I7-1 (GND) R - W-B Power window motor UP input Ignition switch ON, rear power window regulator switch assembly RH off 11 to 14 V
      Ignition switch ON, rear power window regulator switch assembly RH UP (Manual operation) Below 1 V
      Ignition switch ON, rear RH side power window fully open 11 to 14 V
      Ignition switch ON, rear RH side power window fully UP (AUTO UP position) Below 1 V
      Ignition switch ON, rear RH side power window fully stopped (UP) 11 to 14 V

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

  9. CHECK MAIN BODY ECU AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY 
    Fig 9: Main Body ECU And Instrument Panel Junction Block Assembly Connector Terminal Identification
    GTY307482Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the main body ECU.
    2. Disconnect the D14 main body ECU connector.
    3. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      2I-2 (FLCY) - Body ground - Front door courtesy light switch LH input Driver side door Closed (off) 10 kΩ or higher
      Driver side door Open (on) Below 1 Ω
      2I-4 (FRCY) - Body ground - Front door courtesy light switch RH input Front passenger side door Closed (off 10 kΩ or higher
      Front passenger side door Open (on) Below 1 Ω
      2I-11 (GND1) - Body ground - Ground Always Below 1 Ω
      2I-29 (ACC) - Body ground - Ignition power supply (ACC signal) Ignition switch ACC 11 to 14 V
      Ignition switch off Below 1 V
      2I-30 (BECU) - Body ground - Battery power supply Always 11 to 14 V
      2I-31 (ALTB) - Body ground - Battery power supply Always 11 to 14 V
      D14-3 (GND2) - 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.

    4. Reinstall the main body ECU.
    5. Reconnect the D14 main body ECU connector.
    6. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      2H-27 (FRCY) - Body ground GR - Body ground Front door courtesy light switch RH input Front passenger side door open Below 1 V
      Front door courtesy light switch RH input Front passenger side door closed 11 to 14 V
      2H-35 (FLCY) - Body ground P - Body ground Front door courtesy light switch LH input Driver side door open Below 1 V
      Front door courtesy light switch LH input Driver side door closed 11 to 14 V
      D13-2 (PWS) - Body ground V - Body ground P/W MAIN relay operation signal Ignition switch ON 11 to 14 V

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

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