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Terminals Of Ecu [10/2014 - ]

  1. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 
    1. Disconnect the M10 multiplex network master switch assembly connector.
      Fig 1: M10 Multiplex Network Master Switch Assembly Connector End View
      GTY495656Courtesy 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.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M10-11 (B) - M10-12 (GND) SB - W-B Power supply Always 11 to 14 V
      M10-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    3. Reconnect the M10 multiplex network master switch assembly connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M10-15 (DOWN) - M10-12 (GND) B - W-B Power window motor DOWN output Engine switch on (IG), driver door power window regulator switch not pushed or pulled 11 to 14 V
      Engine switch on (IG), driver door power window moving, driver door power window regulator switch pushed halfway down (Manual operation) Below 1 V
      M10-20 (UP) - M10-12 (GND) LG - W-B Power window motor UP output Engine switch on (IG), driver door power window regulator switch not pushed or pulled 11 to 14 V
      Engine switch on (IG), driver door power window moving, driver door power window regulator switch pulled halfway up (Manual operation) Below 1 V
  2. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 
    1. Disconnect the M2 front power window regulator motor assembly LH connector.
      Fig 2: M2 Front Power Window Regulator Motor Assembly LH Connector End View
      GTY512267Courtesy 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.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M2-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      M2-2 (B) - Body ground P - Body ground Power supply Always 11 to 14 V
    3. Reconnect the M2 front power window regulator motor assembly LH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M2-7 (DOWN) - M2-1 (GND) B - W-B Power window motor DOWN input Engine switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) not pushed or pulled 11 to 14 V
      Engine switch on (IG), driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) pushed halfway down (Manual operation) Below 1 V
      Engine switch on (IG), driver door power window fully closed 11 to 14 V
      Engine switch on (IG), driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) fully pushed down (Auto operation) Below 1 V
      Engine switch on (IG), driver door power window fully open 11 to 14 V
      M2-10 (UP) - M2-1 (GND) LG - W-B Power window motor UP input Engine switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) not pushed or pulled 11 to 14 V
      Engine switch on (IG), driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) pulled halfway up (Manual operation) Below 1 V
      Engine switch on (IG), driver door power window fully opened 11 to 14 V
      Engine switch on (IG), driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) fully pulled up (Auto operation) Below 1 V
      Engine switch on (IG), driver door power window fully closed 11 to 14 V
  3. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 
    1. Disconnect the L2 front power window regulator motor assembly RH connector.
      Fig 3: L2 Front Power Window Regulator Motor Assembly RH Connector End View
      GTY512269Courtesy 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.

      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 G - Body ground Power supply Always 11 to 14 V
    3. Reconnect the L2 front power window regulator motor assembly RH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L2-4 (AUTO) - L2-1 (GND) Y - W-B Power window motor AUTO UP input Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      Power window motor AUTO DOWN input Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      L2-7 (DOWN) - L2-1 (GND) B - W-B Power window motor DOWN input Engine switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation) Below 1 V
      Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      L2-10 (UP) - L2-1 (GND) R - W-B Power window motor UP input Engine switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation) Below 1 V
      Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
  4. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 
    1. Disconnect the O2 rear power window regulator motor assembly LH connector.
      Fig 4: O2 Rear Power Window Regulator Motor Assembly LH Connector End View
      GTY520750Courtesy 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.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      O2-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      O2-2 (B) - Body ground LA-Y - Body ground Power supply Always 11 to 14 V
    3. Reconnect the O2 rear power window regulator motor assembly LH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      O2-4 (AUTO) - O2-1 (GND) G - W-B Power window motor AUTO UP input Engine switch on (IG), rear LH door power window fully open 11 to 14 V
      Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for rear LH door) fully pulled up (Auto operation) Below 1 V
      Engine switch on (IG), rear LH door power window fully closed 11 to 14 V
      Power window motor AUTO DOWN input Engine switch on (IG), rear LH door power window fully closed 11 to 14 V
      Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for rear LH door) fully pushed down (Auto operation) Below 1 V
      Engine switch on (IG), rear LH door power window fully open 11 to 14 V
      O2-7 (DOWN) - O2-1 (GND) W - W-B Power window motor DOWN input Engine switch on (IG), rear power window regulator switch assembly (for rear LH door) not pushed or pulled 11 to 14 V
      Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for rear LH door) pushed halfway down (Manual operation) Below 1 V
      Engine switch on (IG), rear LH door power window fully closed 11 to 14 V
      Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for rear LH door) fully pushed down (Auto operation) Below 1 V
      Engine switch on (IG), rear LH door power window fully open 11 to 14 V
      O2-10 (UP) - O2-1 (GND) L - W-B Power window motor UP input Engine switch on (IG), rear power window regulator switch assembly (for rear LH door) not pushed or pulled 11 to 14 V
      Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for rear LH door) pulled halfway up (Manual operation) Below 1 V
      Engine switch on (IG), rear LH door power window fully open 11 to 14 V
      Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for rear LH door) fully pulled up (Auto operation) Below 1 V
      Engine switch on (IG), rear LH door power window fully closed 11 to 14 V
  5. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 
    1. Disconnect the N2 rear power window regulator motor assembly RH connector.
      Fig 5: N2 Rear Power Window Regulator Motor Assembly RH Connector End View
      GTY512270Courtesy 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.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      N2-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      N2-2 (B) - Body ground LA-G - Body ground Power supply Always 11 to 14 V
    3. Reconnect the N2 rear power window regulator motor assembly RH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      N2-4 (AUTO) - N2-1 (GND) B - W-B Power window motor AUTO UP input Engine switch on (IG), rear RH door power window fully open 11 to 14 V
      Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for rear RH door) fully pulled up (Auto operation) Below 1 V
      Engine switch on (IG), rear RH door power window fully closed 11 to 14 V
      Power window motor AUTO DOWN input Engine switch on (IG), rear RH door power window fully closed 11 to 14 V
      Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for rear RH door) fully pushed down (Auto operation) Below 1 V
      Engine switch on (IG), rear RH door power window fully open 11 to 14 V
      N2-7 (DOWN) - N2-1 (GND) W - W-B Power window motor DOWN input Engine switch on (IG), rear power window regulator switch assembly (for rear RH door) not pushed or pulled 11 to 14 V
      Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for rear RH door) pushed halfway down (Manual operation) Below 1 V
      Engine switch on (IG), rear RH door power window fully closed 11 to 14 V
      Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for rear RH door) fully pushed down (Auto operation) Below 1 V
      Engine switch on (IG), rear RH door power window fully open 11 to 14 V
      N2-10 (UP) - N2-1 (GND) V - W-B Power window motor UP input Engine switch on (IG), rear power window regulator switch assembly (for rear RH door) not pushed or pulled 11 to 14 V
      Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for rear RH door) pulled halfway up (Manual operation) Below 1 V
      Engine switch on (IG), rear RH door power window fully open 11 to 14 V
      Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for rear RH door) fully pulled up (Auto operation) Below 1 V
      Engine switch on (IG), rear RH door power window fully closed 11 to 14 V
  6. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    Fig 6: Main Body ECU Connector End View
    GTY518237Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *1 Main Body ECU (Multiplex Network Body ECU) - -
    1. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

      Refer to REMOVAL [10/2014 - 05/2019] , or refer to REMOVAL [05/2019 - ]

    2. Measure the voltage and resistance according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      A-11 (GND1) - Body ground None - Body ground Ground Always Below 1 Ω
      A-31 (BECU) - Body ground None - Body ground Battery power supply Always 11 to 14 V
      A-30 (ACC) - Body ground None - Body ground ACC power supply Engine switch on (ACC) 11 to 14 V
      Engine switch off Below 1 V
      A-32 (IG) - Body ground None - Body ground IG power supply Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V
    3. Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.

      Refer to INSTALLATION [10/2014 - 05/2019] , or refer to INSTALLATION [05/2019 - ]

    4. Measure the voltage and waveform according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      I48-6 (FLCY) - Body ground G - Body ground Front door courtesy light switch assembly LH input Front door LH open Below 1 V
      Front door LH closed Pulse generation
      I48-27 (FRCY) - Body ground W - Body ground Front door courtesy light switch assembly RH input Front door RH open Below 1 V
      Front door RH closed Pulse generation
      I48-29 (L2) - Body ground R - Body ground Driver door key-linked lock input Driver door key cylinder turned to lock Below 1 V
      Driver door key cylinder off Pulse generation
      I48-2 (UL3) - Body ground LG - Body ground Driver door key-linked unlock input Driver door key cylinder turned to unlock Below 1 V
      Driver door key cylinder off Pulse generation
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