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Terminals Of Ecu [08/2015 - 09/2019]

  1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 
    1. for Double Cab
      1. Disconnect the P18 power window regulator master switch assembly connector.
        GTY688415Courtesy 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
        P18-3 (B) - P18-1 (GND) R - W-B Power supply Always 11 to 14 V
        P18-1 (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 P18 power window regulator 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
        P18-5 (DOWN) - P18-1 (GND) SB - W-B Power window motor DOWN output Ignition switch ON, power window regulator master switch assembly off 11 to 14 V
        Ignition switch ON, power window regulator master switch assembly DOWN (Manual operation) Below 1 V
        P18-4 (UP) - P18-1 (GND) L - W-B Power window motor UP output Ignition switch ON, power window regulator master switch assembly off 11 to 14 V
        Ignition switch ON, power window regulator master switch assembly UP (Manual operation) Below 1 V
        P18-13 (PWS) - P18-1 (GND) W - W-B P/W MAIN relay operation signal Ignition switch ON 11 to 14 V
    2. for Access Cab
      1. Disconnect the P23 power window regulator master switch assembly connector.
        GTY693936Courtesy 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
        P23-11 (B) - P23-12 (GND) R - W-B Power supply Always 11 to 14 V
        P23-12 (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 P18 power window regulator 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
        P23-15 (DOWN) - P23-12 (GND) SB - W-B Power window motor DOWN output Ignition switch ON, power window regulator master switch assembly off 11 to 14 V
        Ignition switch ON, power window regulator master switch assembly DOWN (Manual operation) Below 1 V
        P23-20 (UP) - P23-12 (GND) L - W-B Power window motor UP output Ignition switch ON, power window regulator master switch assembly off 11 to 14 V
        Ignition switch ON, power window regulator master switch assembly UP (Manual operation) Below 1 V
  2. CHECK FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RH 
    1. Disconnect the P21 front power window regulator switch assembly RH connector.
      GTY732690Courtesy 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
      P21-7 (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 P21 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
      P21-2 (IG) - P21-7 (GND) P - W-B IG power supply Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      P21-5 (UP) - P21-7 (GND) L - W-B Power window motor up output Ignition switch ON, front power window regulator switch assembly RH not pushed or pulled 11 to 14 V
      Ignition switch ON, front passenger door power window moving, front power window regulator switch assembly RH pulled halfway up (Manual operation) Below 1 V
      Ignition switch ON, front passenger door power window fully open 11 to 14 V
      Ignition switch ON, front passenger door power window moving, front power window regulator switch assembly RH fully pulled up (Auto operation) Below 1 V
      Ignition switch ON, front passenger door power window fully closed 11 to 14 V
      P21-4 (DOWN) - P21-7 (GND) Y - W-B Power window motor down output Ignition switch ON, front power window regulator switch assembly RH not pushed or pulled 11 to 14 V
      Ignition switch ON, front passenger door power window moving, front power window regulator switch assembly RH pushed halfway down (Manual operation) Below 1 V
      Ignition switch ON, front passenger door power window fully closed 11 to 14 V
      Ignition switch ON, front passenger door power window moving, front power window regulator switch assembly RH fully pushed down (Auto operation) Below 1 V
      Ignition switch ON, front passenger door power window fully open 11 to 14 V
      P21-8 (AUTO) - P21-7 (GND) R - W-B Power window motor up output Ignition switch ON, front passenger door power window fully open 11 to 14 V
      Ignition switch ON, front passenger door power window moving, front power window regulator switch assembly RH fully pulled up (Auto operation) Below 1 V
      Ignition switch ON, front passenger door power window fully closed 11 to 14 V
      Power window motor down output Ignition switch ON, front passenger door power window fully closed 11 to 14 V
      Ignition switch ON, front passenger door power window moving, front power window regulator switch assembly RH fully pushed down (Auto operation) Below 1 V
      Ignition switch ON, front passenger door power window fully open 11 to 14 V

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

  3. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 
    1. Disconnect the P24 front power window regulator motor assembly LH connector.
      GTY719466Courtesy 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
      P24-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      P24-2 (B) - Body ground R - Body ground Power supply Ignition switch ON 11 to 14 V

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

    3. Reconnect the P24 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
      P24-7 (DOWN) - P24-1 (GND) SB - W-B Power window motor DOWN input Ignition switch ON, power window regulator master switch assembly off 11 to 14 V
      Ignition switch ON, power window regulator 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
      P24-10 (UP) - P24-1 (GND) L - W-B Power window motor UP input Ignition switch ON, power window regulator master switch assembly off 11 to 14 V
      Ignition switch ON, power window regulator 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.

  4. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 
    1. Disconnect the P22 front power window regulator motor assembly RH connector.
      GTY706081Courtesy 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
      P22-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      P22-2 (B) - Body ground W - Body ground Power supply Ignition switch ON 11 to 14 V

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

    3. Reconnect the P22 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
      P22-4 (AUTO) - P22-1 (GND) R - 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
      P22-7 (DOWN) - P22-1 (GND) Y - 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
      P22-10 (UP) - P22-1 (GND) L - 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.

  5. CHECK MAIN BODY ECU AND DRIVER SIDE JUNCTION BLOCK 
    GTY704918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the main body ECU.
    2. Disconnect the M6 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
      M6-6 (FLCY) - Body ground Y Front door courtesy light switch LH input Driver side door Closed (off) 10 kΩ or higher
      Driver side door Open (on) Below 1 Ω
      M6-27 (FRCY) - Body ground LG 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
      MB-11 (GND1) - Body ground - Ground Always Below 1 Ω
      MB-30 (ACC) - Body ground - Ignition power supply (ACC signal) Ignition switch ACC 11 to 14 V
      Ignition switch off Below 1 V
      MB-31 (BECU) - Body ground - Battery power supply Always 11 to 14 V
      MB-32 (IG) - Body ground - Battery power supply Always 11 to 14 V
      1D-5 (GND1) - 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 M6 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
      M6-6 (FLCY) - Body ground Y - 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 or pulse output (maximum 14 V)*1
      M6-27 (FRCY) - Body ground LG - 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 or pulse output (maximum 14 V)*1
      1. *1: Differs depending on the vehicle model

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

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