2013 Toyota Prius FiveFACTORY OEM SERVICE PROCEDURE

Terminals Of Ecu

  1. MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 
    1. Disconnect the O6 multiplex network master switch assembly connector.
      Fig 1: Identifying O6 Multiplex Network Master Switch Assembly Connector Terminals
      GTY224941Courtesy 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
      O6-11 (B) - O6-12 (GND) L - W-B Power supply Power switch off 11 to 14 V
      O6-12 (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 O6 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
      O6-15 (DOWN) - O6-12 (GND) Y - W-B Power window motor DOWN output Power switch on (IG), driver door power window regulator switch OFF 11 to 14 V
      O6-15 (DOWN) - O6-12 (GND) Y - W-B Power window motor DOWN output Power switch on (IG), driver door power window switch DOWN (Manual operation) Below 1 V
      O6-18 (LED) - O6-12 (GND) B - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      O6-18 (LED) - O6-12 (GND) B - W-B LED illumination signal Approximately 45 seconds after power switch turned off Below 1 V
      O6-20 (UP) - O6-12 (GND) V - W-B Power window motor UP output Power switch on (IG), driver door power window switch OFF 11 to 14 V
      O6-20 (UP) - O6-12 (GND) V - W-B Power window motor UP output Power 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 N7 power window regulator switch assembly (for front passenger side) connector.
      Fig 2: Identifying N7 Power Window Regulator Switch Assembly (Front Passenger Side) Connector Terminals
      GTY214353Courtesy 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.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      N7-1 (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 N7 power window regulator switch assembly (for front passenger side) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      N7-6 (UP) - N7-1 (GND) B - W-B Power window motor UP output Power switch on (IG), power window regulator switch assembly (for front passenger side) OFF 11 to 14 V
      N7-6 (UP) - N7-1 (GND) B - W-B Power window motor UP output Power switch on (IG), power window regulator switch assembly (for front passenger side) UP (Manual operation) Below 1 V
      N7-6 (UP) - N7-1 (GND) B - W-B Power window motor UP output Power switch on (IG), front passenger side power window fully open 11 to 14 V
      N7-6 (UP) - N7-1 (GND) B - W-B Power window motor UP output Power switch on (IG), front passenger side power window fully UP (AUTO UP position) Below 1 V
      N7-6 (UP) - N7-1 (GND) B - W-B Power window motor UP output Power switch on (IG), front passenger side power window fully stopped (UP) 11 to 14 V
      N7-8 (AUTO) - N7-1 (GND) L - W-B Power window motor AUTO UP output Power switch on (IG), front passenger side power window fully open 11 to 14 V
      N7-8 (AUTO) - N7-1 (GND) L - W-B Power window motor AUTO UP output Power switch on (IG), front passenger side power window fully UP (AUTO UP position) Below 1 V
      N7-8 (AUTO) - N7-1 (GND) L - W-B Power window motor AUTO UP output Power switch on (IG), front passenger side power window fully stopped (UP) 11 to 14 V
      N7-8 (AUTO) - N7-1 (GND) L - W-B Power window motor AUTO DOWN output Power switch on (IG), front passenger side power window fully closed 11 to 14 V
      N7-8 (AUTO) - N7-1 (GND) L - W-B Power window motor AUTO DOWN output Power switch on (IG), front passenger side power window fully DOWN (AUTO DOWN position) Below 1 V
      N7-8 (AUTO) - N7-1 (GND) L - W-B Power window motor AUTO DOWN output Power switch on (IG), front passenger side power window fully stopped (DOWN) 11 to 14 V
      N7-4 (LED) - N7-1 (GND) Y - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      N7-4 (LED) - N7-1 (GND) Y - W-B LED illumination signal Approximately 45 seconds after the power switch is turned off Below 1 V
      N7-7 (DOWN) - N7-1 (GND) G - W-B Power window motor DOWN output Power switch on (IG), power window regulator switch assembly (for front passenger side) OFF 11 to 14 V
      N7-7 (DOWN) - N7-1 (GND) G - W-B Power window motor DOWN output Power switch on (IG), power window regulator switch assembly (for front passenger side) DOWN (Manual operation) Below 1 V
      N7-7 (DOWN) - N7-1 (GND) G - W-B Power window motor DOWN output Power switch on (IG), front passenger side power window fully closed 11 to 14 V
      N7-7 (DOWN) - N7-1 (GND) G - W-B Power window motor DOWN output Power switch on (IG), front passenger side power window fully DOWN (AUTO DOWN position) Below 1 V
      N7-7 (DOWN) - N7-1 (GND) G - W-B Power window motor DOWN output Power switch on (IG), front passenger side power window fully stopped (DOWN) 11 to 14 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 Q2 power window regulator switch assembly (for rear LH side) connector.
      Fig 3: Identifying Q2 Power Window Regulator Switch Assembly (Rear LH Side) Connector
      GTY214354Courtesy 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.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      Q2-1 (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 Q2 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
      Q2-6 (UP) - Q2-1 (GND) L - W-B Power window motor UP output Power switch on (IG), power window regulator switch assembly (for rear LH side) OFF 11 to 14 V
      Q2-6 (UP) - Q2-1 (GND) L - W-B Power window motor UP output Power switch on (IG), power window regulator switch assembly (for rear LH side) UP (Manual operation) Below 1 V
      Q2-6 (UP) - Q2-1 (GND) L - W-B Power window motor UP output Power switch on (IG), rear LH side power window fully open 11 to 14 V
      Q2-6 (UP) - Q2-1 (GND) L - W-B Power window motor UP output Power switch on (IG), rear LH side power window fully UP (AUTO UP position) Below 1 V
      Q2-6 (UP) - Q2-1 (GND) L - W-B Power window motor UP output Power switch on (IG), rear LH side power window fully stopped (UP) 11 to 14 V
      Q2-8 (AUTO) - Q2-1 (GND) V - W-B Power window motor AUTO UP output Power switch on (IG), rear LH side power window fully open 11 to 14 V
      Q2-8 (AUTO) - Q2-1 (GND) V - W-B Power window motor AUTO UP output Power switch on (IG), rear LH side power window fully UP (AUTO UP position) Below 1 V
      Q2-8 (AUTO) - Q2-1 (GND) V - W-B Power window motor AUTO UP output Power switch on (IG), rear LH side power window fully stopped (UP) 11 to 14 V
      Q2-8 (AUTO) - Q2-1 (GND) V - W-B Power window motor AUTO DOWN output Power switch on (IG), rear LH side power window fully closed 11 to 14 V
      Q2-8 (AUTO) - Q2-1 (GND) V - W-B Power window motor AUTO DOWN output Power switch on (IG), rear LH side power window fully DOWN (AUTO DOWN position) Below 1 V
      Q2-8 (AUTO) - Q2-1 (GND) V - W-B Power window motor AUTO DOWN output Power switch on (IG), rear LH side power window fully stopped (DOWN) 11 to 14 V
      Q2-4 (LED) - Q2-1 (GND) Y - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      Q2-4 (LED) - Q2-1 (GND) Y - W-B LED illumination signal Approximately 45 seconds after the power switch is turned off Below 1 V
      Q2-7 (DOWN) - Q2-1 (GND) GR - W-B Power window motor DOWN output Power switch on (IG), power window regulator switch assembly (for rear LH side) OFF 11 to 14 V
      Q2-7 (DOWN) - Q2-1 (GND) GR - W-B Power window motor DOWN output Power switch on (IG), power window regulator switch assembly (for rear LH side) DOWN (Manual operation) Below 1 V
      Q2-7 (DOWN) - Q2-1 (GND) GR - W-B Power window motor DOWN output Power switch on (IG), rear LH side power window fully closed 11 to 14 V
      Q2-7 (DOWN) - Q2-1 (GND) GR - W-B Power window motor DOWN output Power switch on (IG), rear LH side power window fully DOWN (AUTO DOWN position) Below 1 V
      Q2-7 (DOWN) - Q2-1 (GND) GR - W-B Power window motor DOWN output Power switch on (IG), rear LH side power window fully stopped (DOWN) 11 to 14 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 P2 power window regulator switch assembly (for rear RH side) connector.
      Fig 4: Identifying P2 Power Window Regulator Switch Assembly (Rear RH Side) Connector
      GTY232413Courtesy 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.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      P2-1 (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 P2 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
      P2-6 (UP) - P2-1 (GND) V - W-B Power window motor UP output Power switch on (IG), power window regulator switch assembly (for rear RH side) OFF 11 to 14 V
      P2-6 (UP) - P2-1 (GND) V - W-B Power window motor UP output Power switch on (IG), power window regulator switch assembly (for rear RH side) UP (Manual operation) Below 1 V
      P2-6 (UP) - P2-1 (GND) V - W-B Power window motor UP output Power switch on (IG), rear RH side power window fully open 11 to 14 V
      P2-6 (UP) - P2-1 (GND) V - W-B Power window motor UP output Power switch on (IG), rear RH side power window fully UP (AUTO UP position) Below 1 V
      P2-6 (UP) - P2-1 (GND) V - W-B Power window motor UP output Power switch on (IG), rear RH side power window fully stopped (UP) 11 to 14 V
      P2-8 (AUTO) - P2-1 (GND) L - W-B Power window motor AUTO UP output Power switch on (IG), rear RH side power window fully open 11 to 14 V
      P2-8 (AUTO) - P2-1 (GND) L - W-B Power window motor AUTO UP output Power switch on (IG), rear RH side power window fully UP (AUTO UP position) Below 1 V
      P2-8 (AUTO) - P2-1 (GND) L - W-B Power window motor AUTO UP output Power switch on (IG), rear RH side power window fully stopped (UP) 11 to 14 V
      P2-8 (AUTO) - P2-1 (GND) L - W-B Power window motor AUTO DOWN output Power switch on (IG), rear RH side power window fully closed 11 to 14 V
      P2-8 (AUTO) - P2-1 (GND) L - W-B Power window motor AUTO DOWN output Power switch on (IG), rear RH side power window fully DOWN (AUTO DOWN position) Below 1 V
      P2-8 (AUTO) - P2-1 (GND) L - W-B Power window motor AUTO DOWN output Power switch on (IG), rear RH side power window fully stopped (DOWN) 11 to 14 V
      P2-4 (LED) - P2-1 (GND) GR - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      P2-4 (LED) - P2-1 (GND) GR - W-B LED illumination signal Approximately 45 seconds after the power switch is turned off Below 1 V
      P2-7 (DOWN) - P2-1 (GND) Y - W-B Power window motor DOWN output Power switch on (IG), power window regulator switch assembly (for rear RH side) OFF 11 to 14 V
      P2-7 (DOWN) - P2-1 (GND) Y - W-B Power window motor DOWN output Power switch on (IG), power window regulator switch assembly (for rear RH side) DOWN (Manual operation) Below 1 V
      P2-7 (DOWN) - P2-1 (GND) Y - W-B Power window motor DOWN output Power switch on (IG), rear RH side power window fully closed 11 to 14 V
      P2-7 (DOWN) - P2-1 (GND) Y - W-B Power window motor DOWN output Power switch on (IG), rear RH side power window fully DOWN (AUTO DOWN position) Below 1 V
      P2-7 (DOWN) - P2-1 (GND) Y - W-B Power window motor DOWN output Power switch on (IG), rear RH side power window fully stopped (DOWN) 11 to 14 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 O2 power window regulator motor assembly (for driver side) connector.
      Fig 5: Identifying O2 Power Window Regulator Motor Assembly (Driver Side) Connector
      GTY227510Courtesy 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 L - Body ground Power supply Power switch off 11 to 14 V

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

    3. Reconnect the O2 power window regulator motor assembly (for driver side) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      O2-5 (LED) - O2-1 (GND) B - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      O2-5 (LED) - O2-1 (GND) B - W-B LED illumination signal Approximately 45 seconds after power switch turned off Below 1 V
      O2-7 (DOWN) - O2-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), driver door power window regulator switch OFF 11 to 14 V
      O2-7 (DOWN) - O2-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), driver door power window switch DOWN (Manual operation) Below 1 V
      O2-7 (DOWN) - O2-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), driver door power window fully closed 11 to 14 V
      O2-7 (DOWN) - O2-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), driver door power window switch fully DOWN (AUTO DOWN position) Below 1 V
      O2-7 (DOWN) - O2-1 (GND) Y - W-B Power window motor AUTO DOWN input Power switch on (IG), driver door power window fully open (DOWN) 11 to 14 V
      O2-10 (UP) - O2-1 (GND) V - W-B Power window motor UP input Power switch on (IG), driver door power window switch OFF 11 to 14 V
      O2-10 (UP) - O2-1 (GND) V - W-B Power window motor UP input Power switch on (IG), driver door power window switch UP (Manual operation) Below 1 V
      O2-10 (UP) - O2-1 (GND) V - W-B Power window motor UP input Power switch on (IG), driver door power window fully open 11 to 14 V
      O2-10 (UP) - O2-1 (GND) V - W-B Power window motor UP input Power switch on (IG), driver door power window switch fully UP (AUTO UP position) Below 1 V
      O2-10 (UP) - O2-1 (GND) V - W-B Power window motor UP input Power switch on (IG), driver door power window fully closed (UP) 11 to 14 V

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

  6. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side) 
    1. Disconnect the N2 power window regulator motor assembly (for front passenger side) connector.
      Fig 6: Identifying N2 Power Window Regulator Motor Assembly (Front Passenger Side) Connector
      GTY235834Courtesy 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 R - Body ground Power supply Power switch off 11 to 14 V

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

    3. Reconnect the N2 power window regulator motor assembly (for front passenger side) 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) L - W-B Power window motor AUTO UP input Power switch on (IG), front passenger side power window fully open 11 to 14 V
      N2-4 (AUTO) - N2-1 (GND) L - W-B Power window motor AUTO UP input Power switch on (IG), front passenger side power window switch fully UP (AUTO UP position) Below 1 V
      N2-4 (AUTO) - N2-1 (GND) L - W-B Power window motor AUTO UP input Power switch on (IG), front passenger side power window fully closed (UP) 11 to 14 V
      N2-4 (AUTO) - N2-1 (GND) L - W-B Power window motor AUTO DOWN input Power switch on (IG), front passenger side power window fully closed 11 to 14 V
      N2-4 (AUTO) - N2-1 (GND) L - W-B Power window motor AUTO DOWN input Power switch on (IG), front passenger side power window switch fully DOWN (AUTO DOWN position) Below 1 V
      N2-4 (AUTO) - N2-1 (GND) L - W-B Power window motor AUTO DOWN input Power switch on (IG), front passenger side power window fully open (DOWN) 11 to 14 V
      N2-5 (LED) - N2-1 (GND) Y - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      N2-5 (LED) - N2-1 (GND) Y - W-B LED illumination signal Approximately 45 seconds after power switch turned off Below 1 V
      N2-7 (DOWN) - N2-1 (GND) G - W-B Power window motor DOWN input Power switch on (IG), power window regulator switch assembly (for front passenger side) OFF 11 to 14 V
      N2-7 (DOWN) - N2-1 (GND) G - W-B Power window motor DOWN input Power switch on (IG), power window regulator switch assembly (for front passenger side) DOWN (Manual operation) Below 1 V
      N2-7 (DOWN) - N2-1 (GND) G - W-B Power window motor DOWN input Power switch on (IG), front passenger side power window fully closed 11 to 14 V
      N2-7 (DOWN) - N2-1 (GND) G - W-B Power window motor DOWN input Power switch on (IG), front passenger side power window switch fully DOWN (AUTO DOWN position) Below 1 V
      N2-7 (DOWN) - N2-1 (GND) G - W-B Power window motor DOWN input Power switch on (IG), front passenger side power window fully open (DOWN) 11 to 14 V
      N2-10 (UP) - N2-1 (GND) B - W-B Power window motor UP input Power switch on (IG), power window regulator switch assembly (for front passenger side) OFF 11 to 14 V
      N2-10 (UP) - N2-1 (GND) B - W-B Power window motor UP input Power switch on (IG), power window regulator switch assembly (for front passenger side) UP (Manual operation) Below 1 V
      N2-10 (UP) - N2-1 (GND) B - W-B Power window motor UP input Power switch on (IG), front passenger side power window fully open 11 to 14 V
      N2-10 (UP) - N2-1 (GND) B - W-B Power window motor UP input Power switch on (IG), front passenger side power window switch fully UP (AUTO UP position) Below 1 V
      N2-10 (UP) - N2-1 (GND) B - W-B Power window motor UP input Power switch on (IG), front passenger side power window fully closed (UP) 11 to 14 V

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

  7. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Side) 
    1. Disconnect the Q4 power window regulator motor assembly (for rear LH side) connector.
      Fig 7: Identifying Q4 Power Window Regulator Motor Assembly (Rear LH Side) Connector
      GTY227508Courtesy 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
      Q4-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      Q4-2 (B) - Body ground LA-R - Body ground Power supply Power switch off 11 to 14 V

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

    3. Reconnect the Q4 power window regulator motor 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
      Q4-4 (AUTO) - Q4-1 (GND) V - W-B Power window motor AUTO UP input Power switch on (IG), rear LH side power window fully open 11 to 14 V
      Q4-4 (AUTO) - Q4-1 (GND) V - W-B Power window motor AUTO UP input Power switch on (IG), rear LH side power window switch fully UP (AUTO UP position) Below 1 V
      Q4-4 (AUTO) - Q4-1 (GND) V - W-B Power window motor AUTO UP input Power switch on (IG), rear LH side power window fully closed (UP) 11 to 14 V
      Q4-4 (AUTO) - Q4-1 (GND) V - W-B Power window motor AUTO DOWN input Power switch on (IG), rear LH side power window fully closed 11 to 14 V
      Q4-4 (AUTO) - Q4-1 (GND) V - W-B Power window motor AUTO DOWN input Power switch on (IG), rear LH side power window switch fully DOWN (AUTO DOWN position) Below 1 V
      Q4-4 (AUTO) - Q4-1 (GND) V - W-B Power window motor AUTO DOWN input Power switch on (IG), rear LH side power window fully open (DOWN) 11 to 14 V
      Q4-5 (LED) - Q4-1 (GND) Y - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      Q4-5 (LED) - Q4-1 (GND) Y - W-B LED illumination signal Approximately 45 seconds after power switch turned off Below 1 V
      Q4-7 (DOWN) - Q4-1 (GND) GR - W-B Power window motor DOWN input Power switch on (IG), power window regulator switch assembly (for rear LH side) OFF 11 to 14 V
      Q4-7 (DOWN) - Q4-1 (GND) GR - W-B Power window motor DOWN input Power switch on (IG), power window regulator switch assembly (for rear LH side) DOWN (Manual operation) Below 1 V
      Q4-7 (DOWN) - Q4-1 (GND) GR - W-B Power window motor DOWN input Power switch on (IG), rear LH side power window fully closed 11 to 14 V
      Q4-7 (DOWN) - Q4-1 (GND) GR - W-B Power window motor DOWN input Power switch on (IG), rear LH side power window switch fully DOWN (AUTO DOWN position) Below 1 V
      Q4-7 (DOWN) - Q4-1 (GND) GR - W-B Power window motor DOWN input Power switch on (IG), rear LH side power window fully open (DOWN) 11 to 14 V
      Q4-10 (UP) - Q4-1 (GND) L - W-B Power window motor UP input Power switch on (IG), power window regulator switch assembly (for rear LH side) OFF 11 to 14 V
      Q4-10 (UP) - Q4-1 (GND) L - W-B Power window motor UP input Power switch on (IG), power window regulator switch assembly (for rear LH side) UP (Manual operation) Below 1 V
      Q4-10 (UP) - Q4-1 (GND) L - W-B Power window motor UP input Power switch on (IG), rear LH side power window fully open 11 to 14 V
      Q4-10 (UP) - Q4-1 (GND) L - W-B Power window motor UP input Power switch on (IG), rear LH side power window switch fully UP (AUTO UP position) Below 1 V
      Q4-10 (UP) - Q4-1 (GND) L - W-B Power window motor UP input Power switch on (IG), rear LH side power window fully closed (UP) 11 to 14 V

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

  8. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Side) 
    1. Disconnect the P4 power window regulator motor assembly (for rear RH side) connector.
      Fig 8: Identifying P4 Power Window Regulator Motor Assembly (Rear RH Side) Connector
      GTY227507Courtesy 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
      P4-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      P4-2 (B) - Body ground LA-R - Body ground Power supply Power switch off 11 to 14 V

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

    3. Reconnect the P4 power window regulator motor 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
      P4-4 (AUTO) - P4-1 (GND) L - W-B Power window motor AUTO UP input Power switch on (IG), rear RH side power window fully open 11 to 14 V
      P4-4 (AUTO) - P4-1 (GND) L - W-B Power window motor AUTO UP input Power switch on (IG), rear RH side power window switch fully open (AUTO UP position) Below 1 V
      P4-4 (AUTO) - P4-1 (GND) L - W-B Power window motor AUTO UP input Power switch on (IG), rear RH side power window fully closed (UP) 11 to 14 V
      P4-4 (AUTO) - P4-1 (GND) L - W-B Power window motor AUTO DOWN input Power switch on (IG), rear RH side power window fully closed 11 to 14 V
      P4-4 (AUTO) - P4-1 (GND) L - W-B Power window motor AUTO DOWN input Power switch on (IG), rear RH side power window switch fully DOWN (AUTO DOWN position) Below 1 V
      P4-4 (AUTO) - P4-1 (GND) L - W-B Power window motor AUTO DOWN input Power switch on (IG), rear RH side power window fully open (DOWN) 11 to 14 V
      P4-5 (LED) - P4-1 (GND) GR - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      P4-5 (LED) - P4-1 (GND) GR - W-B LED illumination signal Approximately 45 seconds after power switch turned off Below 1 V
      P4-7 (DOWN) - P4-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), power window regulator switch assembly (for rear RH side) OFF 11 to 14 V
      P4-7 (DOWN) - P4-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), power window regulator switch assembly (for rear RH side) DOWN (Manual operation) Below 1 V
      P4-7 (DOWN) - P4-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), rear RH side power window fully closed 11 to 14 V
      P4-7 (DOWN) - P4-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), rear RH side power window switch fully DOWN (AUTO DOWN position) Below 1 V
      P4-7 (DOWN) - P4-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), rear RH side power window switch fully open (DOWN) 11 to 14 V
      P4-10 (UP) - P4-1 (GND) V - W-B Power window motor UP input Power switch on (IG), power window regulator switch assembly (for rear RH side) OFF 11 to 14 V
      P4-10 (UP) - P4-1 (GND) V - W-B Power window motor UP input Power switch on (IG), power window regulator switch assembly (for rear RH side) UP (Manual operation) Below 1 V
      P4-10 (UP) - P4-1 (GND) V - W-B Power window motor UP input Power switch on (IG), rear RH side power window fully open 11 to 14 V
      P4-10 (UP) - P4-1 (GND) V - W-B Power window motor UP input Power switch on (IG), rear RH side power window switch fully UP (AUTO UP position) Below 1 V
      P4-10 (UP) - P4-1 (GND) V - W-B Power window motor UP input Power switch on (IG), rear RH side power window fully closed (UP) 11 to 14 V

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

  9. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY, MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    1. Disconnect the 2B and 2C junction block connectors.
      Fig 9: Main Body ECU (Multiplex Network Body ECU) (With 3 Connectors) Connector Terminal Identification
      GTY332973Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *A Main body ECU (multiplex network body ECU) with 3 connectors - -
      *1 Main body ECU (multiplex network body ECU) *2 3 connectors
      Fig 10: Main body ECU With 1 Connector (Multiplex Network Body ECU) Connector Terminal Identification
      GTY325266Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *A Main body ECU (multiplex network body ECU) with 1 connector - -
      *1 Main body ECU (multiplex network body ECU) *2 1 connector
    2. Disconnect the A main body ECU (multiplex network 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 connectors disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      2B-6 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      2C-18 (BECU) - Body ground Y - Body ground Battery power supply Power switch off 11 to 14 V
      A-31 (ALTB) - Body ground - Battery power supply Power switch off 11 to 14 V
      A-32 (IG) - Body ground - IG power supply Power switch off Below 1 V
      A-32 (IG) - Body ground - IG power supply Power switch on (IG) 11 to 14 V

      If the result is not as specified, there may be a malfunction in the wire harness or instrument panel junction block assembly.

    4. Reconnect the 2B and 2C junction block connectors.
    5. Reconnect the A main body ECU (multiplex network body ECU) connector.
    6. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      2D-35 (FLCY) - Body ground V - Body ground Front door courtesy switch LH input Front door LH open Below 1 V
      2D-35 (FLCY) - Body ground V - Body ground Front door courtesy switch LH input Front door LH closed 11 to 14 V
      2D-36 (FRCY) - Body ground BR - Body ground Front door courtesy switch RH input Front door RH open Below 1 V
      2D-36 (FRCY) - Body ground BR - Body ground Front door courtesy switch RH input Front door RH closed 11 to 14 V

      If the result is not as specified, the main body ECU (multiplex network body ECU) or instrument panel junction block assembly may have a malfunction.

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  • • You are missing required tools, torque specs, or safe lifting equipment.
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