DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System - Diagnostics - Introduction >> Power Window Control System >> Terminals Of Ecu [12/2019 - 11/2023] >> Terminals Of Ecu [12/2019 - 11/2023]

Terminals Of Ecu [12/2019 - 11/2023]

  1. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 
    GTY924634Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the J18 multiplex network master switch assembly connector.
    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) Terminal Description Condition Specified Condition
      J18-11 (B) - J18-12 (GND) Power supply Always*1 11 to 14 V
      Ignition switch off*2
      J18-12 (GND) - Body ground Ground Always Below 1 Ω
      • *1: for Gasoline Model
      • *2: for HV Model
    3. Reconnect the J18 multiplex network master switch assembly connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      J18-15 (DOWN) - J18-12 (GND) Power window motor DOWN output Ignition switch ON, driver door power window regulator switch not pushed or not pulled 11 to 14 V
      J18-15 (DOWN) - J18-12 (GND) Power window motor DOWN output Ignition switch ON, driver door power window moving, driver door power window regulator switch pushed halfway down (Manual operation) Below 1 V
      J18-20 (UP) - J18-12 (GND) Power window motor UP output Ignition switch ON, driver door power window regulator switch not pushed or not pulled 11 to 14 V
      J18-20 (UP) - J18-12 (GND) Power window motor UP output Ignition switch ON, driver door power window moving, driver door power window regulator switch pulled halfway up (Manual operation) Below 1 V
  2. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY 
    GTY929736Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the J3 power window regulator switch assembly connector.
    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) Terminal Description Condition Specified Condition
      J3-7 (GND) - Body ground Ground Always Below 1 Ω
    3. Reconnect the J3 power window regulator switch assembly connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      J3-5 (UP) - J3-7 (GND) Power window motor UP output Ignition switch ON, power window regulator switch assembly not pushed or not pulled 11 to 14 V
      J3-5 (UP) - J3-7 (GND) Power window motor UP output Ignition switch ON, front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation) Below 1 V
      J3-5 (UP) - J3-7 (GND) Power window motor UP output Ignition switch ON, front passenger door power window fully open 11 to 14 V
      J3-5 (UP) - J3-7 (GND) Power window motor UP output Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      J3-5 (UP) - J3-7 (GND) Power window motor UP output Ignition switch ON, front passenger door power window fully closed 11 to 14 V
      J3-4 (DOWN) - J3-7 (GND) Power window motor DOWN output Ignition switch ON, power window regulator switch assembly not pushed or not pulled 11 to 14 V
      J3-4 (DOWN) - J3-7 (GND) Power window motor DOWN output Ignition switch ON, front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation) Below 1 V
      J3-4 (DOWN) - J3-7 (GND) Power window motor DOWN output Ignition switch ON, front passenger door power window fully closed 11 to 14 V
      J3-4 (DOWN) - J3-7 (GND) Power window motor DOWN output Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      J3-4 (DOWN) - J3-7 (GND) Power window motor DOWN output Ignition switch ON, front passenger door power window fully open 11 to 14 V
      J3-8 (AUTO) - J3-7 (GND) Power window motor AUTO UP output Ignition switch ON, front passenger door power window fully open 11 to 14 V
      J3-8 (AUTO) - J3-7 (GND) Power window motor AUTO UP output Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      J3-8 (AUTO) - J3-7 (GND) Power window motor AUTO UP output Ignition switch ON, front passenger door power window fully closed 11 to 14 V
      J3-8 (AUTO) - J3-7 (GND) Power window motor AUTO DOWN output Ignition switch ON, front passenger door power window fully closed 11 to 14 V
      J3-8 (AUTO) - J3-7 (GND) Power window motor AUTO DOWN output Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      J3-8 (AUTO) - J3-7 (GND) Power window motor AUTO DOWN output Ignition switch ON, front passenger door power window fully open 11 to 14 V
  3. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR LH DOOR) 
    GTY854282Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the K7 rear power window regulator switch assembly (for LH door) connector.
    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) Terminal Description Condition Specified Condition
      K7-7 (GND) - Body ground Ground Always Below 1 Ω
    3. Reconnect the K7 rear power window regulator switch assembly (for LH door) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      K7-5 (UP) - K7-7 (GND) Power window motor UP output Ignition switch ON, rear power window regulator switch assembly (for LH door) not pushed or not pulled 11 to 14 V
      K7-5 (UP) - K7-7 (GND) Power window motor UP output Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) pulled halfway up (Manual operation) Below 1 V
      K7-5 (UP) - K7-7 (GND) Power window motor UP output Ignition switch ON, rear LH door power window fully open 11 to 14 V
      K7-5 (UP) - K7-7 (GND) Power window motor UP output Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pulled up (Auto operation) Below 1 V
      K7-5 (UP) - K7-7 (GND) Power window motor UP output Ignition switch ON, rear LH door power window fully closed 11 to 14 V
      K7-4 (DOWN) - K7-7 (GND) Power window motor DOWN output Ignition switch ON, rear power window regulator switch assembly (for LH door) not pushed or not pulled 11 to 14 V
      K7-4 (DOWN) - K7-7 (GND) Power window motor DOWN output Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) pushed halfway down (Manual operation) Below 1 V
      K7-4 (DOWN) - K7-7 (GND) Power window motor DOWN output Ignition switch ON, rear LH door power window fully closed 11 to 14 V
      K7-4 (DOWN) - K7-7 (GND) Power window motor DOWN output Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pushed down (Auto operation) Below 1 V
      K7-4 (DOWN) - K7-7 (GND) Power window motor DOWN output Ignition switch ON, rear LH door power window fully open 11 to 14 V
      K7-8 (AUTO) - K7-7 (GND) Power window motor AUTO UP output Ignition switch ON, rear LH door power window fully open 11 to 14 V
      K7-8 (AUTO) - K7-7 (GND) Power window motor AUTO UP output Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pulled up (Auto operation) Below 1 V
      K7-8 (AUTO) - K7-7 (GND) Power window motor AUTO UP output Ignition switch ON, rear LH door power window fully closed 11 to 14 V
      K7-8 (AUTO) - K7-7 (GND) Power window motor AUTO DOWN output Ignition switch ON, rear LH door power window fully closed 11 to 14 V
      K7-8 (AUTO) - K7-7 (GND) Power window motor AUTO DOWN output Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pushed down (Auto operation) Below 1 V
      K7-8 (AUTO) - K7-7 (GND) Power window motor AUTO DOWN output Ignition switch ON, rear LH door power window fully open 11 to 14 V
  4. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR RH DOOR) 
    GTY854285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the K2 rear power window regulator switch assembly (for RH door) connector.
    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) Terminal Description Condition Specified Condition
      K2-7 (GND) - Body ground Ground Always Below 1 Ω
    3. Reconnect the K2 rear power window regulator switch assembly (for RH door) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      K2-5 (UP) - K2-7 (GND) Power window motor UP output Ignition switch ON, rear power window regulator switch assembly (for RH door) not pushed or not pulled 11 to 14 V
      K2-5 (UP) - K2-7 (GND) Power window motor UP output Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) pulled halfway up (Manual operation) Below 1 V
      K2-5 (UP) - K2-7 (GND) Power window motor UP output Ignition switch ON, rear RH door power window fully open 11 to 14 V
      K2-5 (UP) - K2-7 (GND) Power window motor UP output Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pulled up (Auto operation) Below 1 V
      K2-5 (UP) - K2-7 (GND) Power window motor UP output Ignition switch ON, rear RH door power window fully closed 11 to 14 V
      K2-4 (DOWN) - K2-7 (GND) Power window motor DOWN output Ignition switch ON, rear power window regulator switch assembly (for RH door) not pushed or not pulled 11 to 14 V
      K2-4 (DOWN) - K2-7 (GND) Power window motor DOWN output Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) pushed halfway down (Manual operation) Below 1 V
      K2-4 (DOWN) - K2-7 (GND) Power window motor DOWN output Ignition switch ON, rear RH door power window fully closed 11 to 14 V
      K2-4 (DOWN) - K2-7 (GND) Power window motor DOWN output Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pushed down (Auto operation) Below 1 V
      K2-4 (DOWN) - K2-7 (GND) Power window motor DOWN output Ignition switch ON, rear RH door power window fully open 11 to 14 V
      K2-8 (AUTO) - K2-7 (GND) Power window motor AUTO UP output Ignition switch ON, rear RH door power window fully open 11 to 14 V
      K2-8 (AUTO) - K2-7 (GND) Power window motor AUTO UP output Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pulled up (Auto operation) Below 1 V
      K2-8 (AUTO) - K2-7 (GND) Power window motor AUTO UP output Ignition switch ON, rear RH door power window fully closed 11 to 14 V
      K2-8 (AUTO) - K2-7 (GND) Power window motor AUTO DOWN output Ignition switch ON, rear RH door power window fully closed 11 to 14 V
      K2-8 (AUTO) - K2-7 (GND) Power window motor AUTO DOWN output Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pushed down (Auto operation) Below 1 V
      K2-8 (AUTO) - K2-7 (GND) Power window motor AUTO DOWN output Ignition switch ON, rear RH door power window fully open 11 to 14 V
  5. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER DOOR) 
    GTY936383Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the J24 power window regulator motor assembly (for driver door) connector.
    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) Terminal Description Condition Specified Condition
      J24-1 (GND) - Body ground Ground Always Below 1 Ω
      J24-2 (B) - Body ground Power supply Always*1 11 to 14 V
      Ignition switch off*2
      • *1: for Gasoline Model
      • *2: for HV Model
    3. Reconnect the J24 power window regulator motor assembly (for driver door) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      J24-7 (DOWN) - J24-1 (GND) Power window motor DOWN input Ignition switch ON, multiplex network master switch assembly (driver door power window regulator switch) not pushed or not pulled 11 to 14 V
      J24-7 (DOWN) - J24-1 (GND) Power window motor DOWN input Ignition switch ON, driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) pushed halfway down (Manual operation) Below 1 V
      J24-7 (DOWN) - J24-1 (GND) Power window motor DOWN input Ignition switch ON, driver door power window fully closed 11 to 14 V
      J24-7 (DOWN) - J24-1 (GND) Power window motor DOWN input Ignition switch ON, driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) fully pushed down (Auto operation) Below 1 V
      J24-7 (DOWN) - J24-1 (GND) Power window motor DOWN input Ignition switch ON, driver door power window fully open 11 to 14 V
      J24-10 (UP) - J24-1 (GND) Power window motor UP input Ignition switch ON, multiplex network master switch assembly (driver door power window regulator switch) not pushed or not pulled 11 to 14 V
      J24-10 (UP) - J24-1 (GND) Power window motor UP input Ignition switch ON, driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) pulled halfway up (Manual operation) Below 1 V
      J24-10 (UP) - J24-1 (GND) Power window motor UP input Ignition switch ON, multiplex network master switch assembly (driver door power window regulator switch) fully open 11 to 14 V
      J24-10 (UP) - J24-1 (GND) Power window motor UP input Ignition switch ON, driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) fully pulled up (Auto operation) Below 1 V
      J24-10 (UP) - J24-1 (GND) Power window motor UP input Ignition switch ON, driver door power window fully closed 11 to 14 V
  6. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR FRONT PASSENGER DOOR) 
    GTY889999Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the J8 power window regulator motor assembly (for front passenger door) connector.
    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) Terminal Description Condition Specified Condition
      J8-1 (GND) - Body ground Ground Always Below 1 Ω
      J8-2 (B) - Body ground Power supply Always*1 11 to 14 V
      Ignition switch off*2
      • *1: for Gasoline Model
      • *2: for HV Model
    3. Reconnect the J8 power window regulator motor assembly (for front passenger door) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      J8-4 (AUTO) - J8-1 (GND) Power window motor AUTO UP input Ignition switch ON, front passenger door power window fully open 11 to 14 V
      J8-4 (AUTO) - J8-1 (GND) Power window motor AUTO UP input Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      J8-4 (AUTO) - J8-1 (GND) Power window motor AUTO UP input Ignition switch ON, front passenger door power window fully closed 11 to 14 V
      J8-4 (AUTO) - J8-1 (GND) Power window motor AUTO DOWN input Ignition switch ON, front passenger door power window fully closed 11 to 14 V
      J8-4 (AUTO) - J8-1 (GND) Power window motor AUTO DOWN input Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      J8-4 (AUTO) - J8-1 (GND) Power window motor AUTO DOWN input Ignition switch ON, front passenger door power window fully open 11 to 14 V
      J8-7 (DOWN) - J8-1 (GND) Power window motor DOWN input Ignition switch ON, power window regulator switch assembly not pushed or not pulled 11 to 14 V
      J8-7 (DOWN) - J8-1 (GND) Power window motor DOWN input Ignition switch ON, front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation) Below 1 V
      J8-7 (DOWN) - J8-1 (GND) Power window motor DOWN input Ignition switch ON, front passenger door power window fully closed 11 to 14 V
      J8-7 (DOWN) - J8-1 (GND) Power window motor DOWN input Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      J8-7 (DOWN) - J8-1 (GND) Power window motor DOWN input Ignition switch ON, front passenger door power window fully open 11 to 14 V
      J8-10 (UP) - J8-1 (GND) Power window motor UP input Ignition switch ON, power window regulator switch assembly not pushed or not pulled 11 to 14 V
      J8-10 (UP) - J8-1 (GND) Power window motor UP input Ignition switch ON, front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation) Below 1 V
      J8-10 (UP) - J8-1 (GND) Power window motor UP input Ignition switch ON, front passenger door power window fully open 11 to 14 V
      J8-10 (UP) - J8-1 (GND) Power window motor UP input Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      J8-10 (UP) - J8-1 (GND) Power window motor UP input Ignition switch ON, front passenger door power window fully closed 11 to 14 V
  7. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH DOOR) 
    GTY914496Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the K9 power window regulator motor assembly (for rear LH door) connector.
    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) Terminal Description Condition Specified Condition
      K9-1 (GND) - Body ground Ground Always Below 1 Ω
      K9-2 (B) - Body ground Power supply Always*1 11 to 14 V
      Ignition switch off*2
      • *1: for Gasoline Model
      • *2: for HV Model
    3. Reconnect the K9 power window regulator motor assembly (for rear LH door) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      K9-4 (AUTO) - K9-1 (GND) Power window motor AUTO UP input Ignition switch ON, rear LH door power window fully open 11 to 14 V
      K9-4 (AUTO) - K9-1 (GND) Power window motor AUTO UP input Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pulled up (Auto operation) Below 1 V
      K9-4 (AUTO) - K9-1 (GND) Power window motor AUTO UP input Ignition switch ON, rear LH door power window fully closed 11 to 14 V
      K9-4 (AUTO) - K9-1 (GND) Power window motor AUTO DOWN input Ignition switch ON, rear LH door power window fully closed 11 to 14 V
      K9-4 (AUTO) - K9-1 (GND) Power window motor AUTO DOWN input Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pushed down (Auto operation) Below 1 V
      K9-4 (AUTO) - K9-1 (GND) Power window motor AUTO DOWN input Ignition switch ON, rear LH door power window fully open 11 to 14 V
      K9-7 (DOWN) - K9-1 (GND) Power window motor DOWN input Ignition switch ON, rear power window regulator switch assembly (for LH door) not pushed or not pulled 11 to 14 V
      K9-7 (DOWN) - K9-1 (GND) Power window motor DOWN input Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) pushed halfway down (Manual operation) Below 1 V
      K9-7 (DOWN) - K9-1 (GND) Power window motor DOWN input Ignition switch ON, rear LH door power window fully closed 11 to 14 V
      K9-7 (DOWN) - K9-1 (GND) Power window motor DOWN input Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pushed down (Auto operation) Below 1 V
      K9-7 (DOWN) - K9-1 (GND) Power window motor DOWN input Ignition switch ON, rear LH door power window fully open 11 to 14 V
      K9-10 (UP) - K9-1 (GND) Power window motor UP input Ignition switch ON, rear power window regulator switch assembly (for LH door) not pushed or not pulled 11 to 14 V
      K9-10 (UP) - K9-1 (GND) Power window motor UP input Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) pulled halfway up (Manual operation) Below 1 V
      K9-10 (UP) - K9-1 (GND) Power window motor UP input Ignition switch ON, rear LH door power window fully open 11 to 14 V
      K9-10 (UP) - K9-1 (GND) Power window motor UP input Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pulled up (Auto operation) Below 1 V
      K9-10 (UP) - K9-1 (GND) Power window motor UP input Ignition switch ON, rear LH door power window fully closed 11 to 14 V
  8. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR RH DOOR) 
    GTY895356Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the K4 power window regulator motor assembly (for rear RH door) connector.
    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) Terminal Description Condition Specified Condition
      K4-1 (GND) - Body ground Ground Always Below 1 Ω
      K4-2 (B) - Body ground Power supply Always*1 11 to 14 V
      Ignition switch off*2
      • *1: for Gasoline Model
      • *2: for HV Model
    3. Reconnect the K4 power window regulator motor assembly (for rear RH door) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      K4-4 (AUTO) - K4-1 (GND) Power window motor AUTO UP input Ignition switch ON, rear RH door power window fully open 11 to 14 V
      K4-4 (AUTO) - K4-1 (GND) Power window motor AUTO UP input Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pulled up (Auto operation) Below 1 V
      K4-4 (AUTO) - K4-1 (GND) Power window motor AUTO UP input Ignition switch ON, rear RH door power window fully closed 11 to 14 V
      K4-4 (AUTO) - K4-1 (GND) Power window motor AUTO DOWN input Ignition switch ON, rear RH door power window fully closed 11 to 14 V
      K4-4 (AUTO) - K4-1 (GND) Power window motor AUTO DOWN input Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pushed down (Auto operation) Below 1 V
      K4-4 (AUTO) - K4-1 (GND) Power window motor AUTO DOWN input Ignition switch ON, rear RH door power window fully open 11 to 14 V
      K4-7 (DOWN) - K4-1 (GND) Power window motor DOWN input Ignition switch ON, rear power window regulator switch assembly (for RH door) not pushed or not pulled 11 to 14 V
      K4-7 (DOWN) - K4-1 (GND) Power window motor DOWN input Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) pushed halfway down (Manual operation) Below 1 V
      K4-7 (DOWN) - K4-1 (GND) Power window motor DOWN input Ignition switch ON, rear RH door power window fully closed 11 to 14 V
      K4-7 (DOWN) - K4-1 (GND) Power window motor DOWN input Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pushed down (Auto operation) Below 1 V
      K4-7 (DOWN) - K4-1 (GND) Power window motor DOWN input Ignition switch ON, rear RH door power window fully open 11 to 14 V
      K4-10 (UP) - K4-1 (GND) Power window motor UP input Ignition switch ON, rear power window regulator switch assembly (for RH door) not pushed or not pulled 11 to 14 V
      K4-10 (UP) - K4-1 (GND) Power window motor UP input Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) pulled halfway up (Manual operation) Below 1 V
      K4-10 (UP) - K4-1 (GND) Power window motor UP input Ignition switch ON, rear RH door power window fully open 11 to 14 V
      K4-10 (UP) - K4-1 (GND) Power window motor UP input Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pulled up (Auto operation) Below 1 V
      K4-10 (UP) - K4-1 (GND) Power window motor UP input Ignition switch ON, rear RH door power window fully closed 11 to 14 V
  9. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    GTY901157Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

      Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

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

      HINT: 

      Measure the values on the wire harness side with the connectors connected.

      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      H42-19 (GND2) - Body ground Ground Always Below 1 Ω
    3. Reconnect the instrument panel junction block assembly connectors.
    4. Measure the voltage and resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      MB-11 (GND1) - Body ground Ground Always Below 1 Ω
      MB-31 (BECU) - Body ground Auxiliary battery power supply Always*1 11 to 14 V
      Ignition switch off*2
      MB-30 (ACC) - Body ground ACC power supply Ignition switch ACC 11 to 14 V
      MB-30 (ACC) - Body ground ACC power supply Ignition switch off Below 1 V
      MB-32 (IG) - Body ground IG power supply Ignition switch ON 11 to 14 V
      MB-32 (IG) - Body ground IG power supply Ignition switch off or ACC Below 1 V
      • *1: for Gasoline Model
      • *2: for HV Model
    5. Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.

      Refer to INSTALLATION [12/2019 - 10/2022] , or refer to INSTALLATION [10/2022 - 11/2023]

    6. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      H43-1 (FLCY) - Body ground Front door courtesy light switch (for LH) input Front door LH open Below 1 V
      H43-1 (FLCY) - Body ground Front door courtesy light switch (for LH) input Front door LH closed 11 to 14 V
      H43-6 (FRCY) - Body ground Front door courtesy light switch (for RH) input Front door RH open Below 1 V
      H43-6 (FRCY) - Body ground Front door courtesy light switch (for RH) input Front door RH closed 11 to 14 V
      H44-18 (L2) - Body ground Driver door key-linked lock input Driver door key cylinder turned to lock Below 1 V
      H44-18 (L2) - Body ground Driver door key-linked lock input Driver door key cylinder not turned 11 to 14 V
      H44-17 (UL3) - Body ground Driver door key-linked unlock input Driver door key cylinder turned to unlock Below 1 V
      H44-17 (UL3) - Body ground Driver door key-linked unlock input Driver door key cylinder not turned 11 to 14 V
Diesel-Data.com