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Terminals Of Ecu

  1. MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 
    1. Disconnect the G4 multiplex network master switch assembly connector.
      Fig 1: Measuring Voltage Of Multiplex Network Master Switch Assembly Connector
      GTY382380Courtesy 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
      G4-11 (B) - G4-12 (E) V - W-B Power supply Always 11 to 14 V
      G4-12 (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 G4 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
      G4-15 (DOWN) - G4-12 (E) R - 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
      G4-15 (DOWN) - G4-12 (E) R - W-B Power window motor DOWN output Engine switch on (IG), driver door power window moving, driver door power window regulator switch pushed halfway down (Manual operation) Below 1 V
      G4-18 (LED) - G4-12 (E) P - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      G4-18 (LED) - G4-12 (E) P - W-B LED illumination signal Engine switch turned off Below 1 V
      G4-20 (UP) - G4-12 (E) G - 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
      G4-20 (UP) - G4-12 (E) G - W-B Power window motor UP output Engine switch on (IG), driver door power window moving, driver door power window regulator switch pulled halfway up (Manual operation) Below 1 V

      If the result is not as specified, the multiplex network master switch assembly may be malfunctioning.

  2. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY 
    1. Disconnect the F4 power window regulator switch assembly connector.
      Fig 2: Measuring Resistance Of Power Window Regulator Switch Assembly Connector
      GTY368179Courtesy 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
      F4-1 (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 F4 power window regulator 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
      F4-4 (LED) - F4-1 (GND) Y - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      F4-4 (LED) - F4-1 (GND) Y - W-B LED illumination signal Engine switch turned off Below 1 V
      F4-6 (UP) - F4-1 (GND) BE - W-B Power window motor UP output Engine switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      F4-6 (UP) - F4-1 (GND) BE - W-B Power window motor UP output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation) Below 1 V
      F4-6 (UP) - F4-1 (GND) BE - W-B Power window motor UP output Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      F4-6 (UP) - F4-1 (GND) BE - W-B Power window motor UP output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      F4-6 (UP) - F4-1 (GND) BE - W-B Power window motor UP output Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      F4-7 (DOWN) - F4-1 (GND) V - W-B Power window motor DOWN output Engine switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      F4-7 (DOWN) - F4-1 (GND) V - W-B Power window motor DOWN output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation) Below 1 V
      F4-7 (DOWN) - F4-1 (GND) V - W-B Power window motor DOWN output Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      F4-7 (DOWN) - F4-1 (GND) V - W-B Power window motor DOWN output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      F4-7 (DOWN) - F4-1 (GND) V - W-B Power window motor DOWN output Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      F4-8 (AUTO) - F4-1 (GND) W - W-B Power window motor AUTO UP output Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      F4-8 (AUTO) - F4-1 (GND) W - W-B Power window motor AUTO UP output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      F4-8 (AUTO) - F4-1 (GND) W - W-B Power window motor AUTO UP output Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      F4-8 (AUTO) - F4-1 (GND) W - W-B Power window motor AUTO DOWN output Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      F4-8 (AUTO) - F4-1 (GND) W - W-B Power window motor AUTO DOWN output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      F4-8 (AUTO) - F4-1 (GND) W - W-B Power window motor AUTO DOWN output Engine switch on (IG), front passenger door power window fully open 11 to 14 V

      If the result is not as specified, the power window regulator switch assembly may be malfunctioning.

  3. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for LH Door) 
    1. Disconnect the I5 rear power window regulator switch assembly (for LH door) connector.
      Fig 3: Measuring Resistance Of Rear Power Window Regulator Switch Assembly (For LH Door) Connector
      GTY368180Courtesy 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
      I5-1 (GND) - Body ground BR - 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 I5 rear power window regulator switch assembly (for LH door) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      I5-4 (LED) - I5-1 (GND) LG - BR LED illumination signal Engine switch on (IG) 11 to 14 V
      I5-4 (LED) - I5-1 (GND) LG - BR LED illumination signal Engine switch turned off Below 1 V
      I5-6 (UP) - I5-1 (GND) L - BR Power window motor UP output Engine switch on (IG), rear power window regulator switch assembly (for LH door) not pushed or pulled 11 to 14 V
      I5-6 (UP) - I5-1 (GND) L - BR Power window motor UP output Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) pulled halfway up (Manual operation) Below 1 V
      I5-6 (UP) - I5-1 (GND) L - BR Power window motor UP output Engine switch on (IG), rear LH door power window fully open 11 to 14 V
      I5-6 (UP) - I5-1 (GND) L - BR Power window motor UP output Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pulled up (Auto operation) Below 1 V
      I5-6 (UP) - I5-1 (GND) L - BR Power window motor UP output Engine switch on (IG), rear LH door power window fully closed 11 to 14 V
      I5-7 (DOWN) - I5-1 (GND) R - BR Power window motor DOWN output Engine switch on (IG), rear power window regulator switch assembly (for LH door) not pushed or pulled 11 to 14 V
      I5-7 (DOWN) - I5-1 (GND) R - BR Power window motor DOWN output Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) pushed halfway down (Manual operation) Below 1 V
      I5-7 (DOWN) - I5-1 (GND) R - BR Power window motor DOWN output Engine switch on (IG), rear LH door power window fully closed 11 to 14 V
      I5-7 (DOWN) - I5-1 (GND) R - BR Power window motor DOWN output Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pushed down (Auto operation) Below 1 V
      I5-7 (DOWN) - I5-1 (GND) R - BR Power window motor DOWN output Engine switch on (IG), rear LH door power window fully open 11 to 14 V
      I5-8 (AUTO) - I5-1 (GND) V - BR Power window motor AUTO UP output Engine switch on (IG), rear LH door power window fully open 11 to 14 V
      I5-8 (AUTO) - I5-1 (GND) V - BR Power window motor AUTO UP output Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pulled up (Auto operation) Below 1 V
      I5-8 (AUTO) - I5-1 (GND) V - BR Power window motor AUTO UP output Engine switch on (IG), rear LH door power window fully closed 11 to 14 V
      I5-8 (AUTO) - I5-1 (GND) V - BR Power window motor AUTO DOWN output Engine switch on (IG), rear LH door power window fully closed 11 to 14 V
      I5-8 (AUTO) - I5-1 (GND) V - BR Power window motor AUTO DOWN output Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pushed down (Auto operation) Below 1 V
      I5-8 (AUTO) - I5-1 (GND) V - BR Power window motor AUTO DOWN output Engine switch on (IG), rear LH door power window fully open 11 to 14 V

      If the result is not as specified, the rear power window regulator switch assembly (for LH door) may be malfunctioning.

  4. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for RH Door) 
    1. Disconnect the H5 rear power window regulator switch assembly (for RH door) connector.
      Fig 4: Measuring Resistance Of Rear Power Window Regulator Switch Assembly (For RH Door) Connector
      GTY382306Courtesy 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
      H5-1 (GND) - Body ground BR - 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 H5 rear power window regulator switch assembly (for RH door) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      H5-4 (LED) - H5-1 (GND) LG - BR LED illumination signal Engine switch on (IG) 11 to 14 V
      H5-4 (LED) - H5-1 (GND) LG - BR LED illumination signal Engine switch turned off Below 1 V
      H5-6 (UP) - H5-1 (GND) L - BR Power window motor UP output Engine switch on (IG), rear power window regulator switch assembly (for RH door) not pushed or pulled 11 to 14 V
      H5-6 (UP) - H5-1 (GND) L - BR Power window motor UP output Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) pulled halfway up (Manual operation) Below 1 V
      H5-6 (UP) - H5-1 (GND) L - BR Power window motor UP output Engine switch on (IG), rear RH door power window fully open 11 to 14 V
      H5-6 (UP) - H5-1 (GND) L - BR Power window motor UP output Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pulled up (Auto operation) Below 1 V
      H5-6 (UP) - H5-1 (GND) L - BR Power window motor UP output Engine switch on (IG), rear RH door power window fully closed 11 to 14 V
      H5-7 (DOWN) - H5-1 (GND) R - BR Power window motor DOWN output Engine switch on (IG), rear power window regulator switch assembly (for RH door) not pushed or pulled 11 to 14 V
      H5-7 (DOWN) - H5-1 (GND) R - BR Power window motor DOWN output Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) pushed halfway down (Manual operation) Below 1 V
      H5-7 (DOWN) - H5-1 (GND) R - BR Power window motor DOWN output Engine switch on (IG), rear RH door power window fully closed 11 to 14 V
      H5-7 (DOWN) - H5-1 (GND) R - BR Power window motor DOWN output Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pushed down (Auto operation) Below 1 V
      H5-7 (DOWN) - H5-1 (GND) R - BR Power window motor DOWN output Engine switch on (IG), rear RH door power window fully open 11 to 14 V
      H5-8 (AUTO) - H5-1 (GND) V - BR Power window motor AUTO UP output Engine switch on (IG), rear RH door power window fully open 11 to 14 V
      H5-8 (AUTO) - H5-1 (GND) V - BR Power window motor AUTO UP output Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pulled up (Auto operation) Below 1 V
      H5-8 (AUTO) - H5-1 (GND) V - BR Power window motor AUTO UP output Engine switch on (IG), rear RH door power window fully closed 11 to 14 V
      H5-8 (AUTO) - H5-1 (GND) V - BR Power window motor AUTO DOWN output Engine switch on (IG), rear RH door power window fully closed 11 to 14 V
      H5-8 (AUTO) - H5-1 (GND) V - BR Power window motor AUTO DOWN output Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pushed down (Auto operation) Below 1 V
      H5-8 (AUTO) - H5-1 (GND) V - BR Power window motor AUTO DOWN output Engine switch on (IG), rear RH door power window fully open 11 to 14 V

      If the result is not as specified, the rear power window regulator switch assembly (for RH door) may be malfunctioning.

  5. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Door) 
    1. Disconnect the G10 power window regulator motor assembly (for driver door) connector.
      Fig 5: Measuring Values Of Power Window Regulator Motor Assembly (For Driver Door) Connector
      GTY362106Courtesy 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
      G10-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      G10-2 (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 G10 power window regulator motor assembly (for driver door) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      G10-5 (LED) - G10-1 (GND) P - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      G10-5 (LED) - G10-1 (GND) P - W-B LED illumination signal Engine switch turned off Below 1 V
      G10-7 (DOWN) - G10-1 (GND) R - 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
      G10-7 (DOWN) - G10-1 (GND) R - W-B Power window motor DOWN input 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
      G10-7 (DOWN) - G10-1 (GND) R - W-B Power window motor DOWN input Engine switch on (IG), driver door power window fully closed 11 to 14 V
      G10-7 (DOWN) - G10-1 (GND) R - W-B Power window motor DOWN input 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
      G10-7 (DOWN) - G10-1 (GND) R - W-B Power window motor DOWN input Engine switch on (IG), driver door power window fully open 11 to 14 V
      G10-10 (UP) - G10-1 (GND) G - 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
      G10-10 (UP) - G10-1 (GND) G - W-B Power window motor UP input 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
      G10-10 (UP) - G10-1 (GND) G - W-B Power window motor UP input Engine switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) fully open 11 to 14 V
      G10-10 (UP) - G10-1 (GND) G - W-B Power window motor UP input 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
      G10-10 (UP) - G10-1 (GND) G - W-B Power window motor UP input Engine switch on (IG), driver door power window fully closed 11 to 14 V

      If the result is not as specified, the power window regulator motor assembly (for driver door) may be malfunctioning.

  6. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Door) 
    1. Disconnect the F8 power window regulator motor assembly (for front passenger door) connector.
      Fig 6: Measuring Values Of Power Window Regulator Motor Assembly (For Front Passenger Door) Connector
      GTY362107Courtesy 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
      F8-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      F8-2 (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 F8 power window regulator motor assembly (for front passenger door) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      F8-4 (AUTO) - F8-1 (GND) W - W-B Power window motor AUTO UP input Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      F8-4 (AUTO) - F8-1 (GND) W - W-B Power window motor AUTO UP input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      F8-4 (AUTO) - F8-1 (GND) W - W-B Power window motor AUTO UP input Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      F8-4 (AUTO) - F8-1 (GND) W - W-B Power window motor AUTO DOWN input Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      F8-4 (AUTO) - F8-1 (GND) W - W-B Power window motor AUTO DOWN input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      F8-4 (AUTO) - F8-1 (GND) W - W-B Power window motor AUTO DOWN input Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      F8-5 (LED) - F8-1 (GND) Y - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      F8-5 (LED) - F8-1 (GND) Y - W-B LED illumination signal Engine switch turned off Below 1 V
      F8-7 (DOWN) - F8-1 (GND) V - W-B Power window motor DOWN input Engine switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      F8-7 (DOWN) - F8-1 (GND) V - W-B Power window motor DOWN input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation) Below 1 V
      F8-7 (DOWN) - F8-1 (GND) V - W-B Power window motor DOWN input Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      F8-7 (DOWN) - F8-1 (GND) V - W-B Power window motor DOWN input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      F8-7 (DOWN) - F8-1 (GND) V - W-B Power window motor DOWN input Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      F8-10 (UP) - F8-1 (GND) BE - W-B Power window motor UP input Engine switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      F8-10 (UP) - F8-1 (GND) BE - W-B Power window motor UP input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation) Below 1 V
      F8-10 (UP) - F8-1 (GND) BE - W-B Power window motor UP input Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      F8-10 (UP) - F8-1 (GND) BE - W-B Power window motor UP input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      F8-10 (UP) - F8-1 (GND) BE - W-B Power window motor UP input Engine switch on (IG), front passenger door power window fully closed 11 to 14 V

      If the result is not as specified, the power window regulator motor assembly (for front passenger door) may be malfunctioning.

  7. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Door) 
    1. Disconnect the I2 power window regulator motor assembly (for rear LH door) connector.
      Fig 7: Measuring Values Of Power Window Regulator Motor Assembly (For Rear LH Door) Connector
      GTY362972Courtesy 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
      I2-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      I2-2 (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 I2 power window regulator motor assembly (for rear LH door) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      I2-4 (AUTO) - I2-1 (GND) V - W-B Power window motor AUTO UP input Engine switch on (IG), rear LH door power window fully open 11 to 14 V
      I2-4 (AUTO) - I2-1 (GND) V - W-B Power window motor AUTO UP input Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pulled up (Auto operation) Below 1 V
      I2-4 (AUTO) - I2-1 (GND) V - W-B Power window motor AUTO UP input Engine switch on (IG), rear LH door power window fully closed 11 to 14 V
      I2-4 (AUTO) - I2-1 (GND) V - W-B Power window motor AUTO DOWN input Engine switch on (IG), rear LH door power window fully closed 11 to 14 V
      I2-4 (AUTO) - I2-1 (GND) V - W-B Power window motor AUTO DOWN input Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pushed down (Auto operation) Below 1 V
      I2-4 (AUTO) - I2-1 (GND) V - W-B Power window motor AUTO DOWN input Engine switch on (IG), rear LH door power window fully open 11 to 14 V
      I2-5 (LED) - I2-1 (GND) LG - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      I2-5 (LED) - I2-1 (GND) LG - W-B LED illumination signal Engine switch turned off Below 1 V
      I2-7 (DOWN) - I2-1 (GND) R - W-B Power window motor DOWN input Engine switch on (IG), rear power window regulator switch assembly (for LH door) not pushed or pulled 11 to 14 V
      I2-7 (DOWN) - I2-1 (GND) R - W-B Power window motor DOWN input Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) pushed halfway down (Manual operation) Below 1 V
      I2-7 (DOWN) - I2-1 (GND) R - W-B Power window motor DOWN input Engine switch on (IG), rear LH door power window fully closed 11 to 14 V
      I2-7 (DOWN) - I2-1 (GND) R - W-B Power window motor DOWN input Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pushed down (Auto operation) Below 1 V
      I2-7 (DOWN) - I2-1 (GND) R - W-B Power window motor DOWN input Engine switch on (IG), rear LH door power window fully open 11 to 14 V
      I2-10 (UP) - I2-1 (GND) L - W-B Power window motor UP input Engine switch on (IG), rear power window regulator switch assembly (for LH door) not pushed or pulled 11 to 14 V
      I2-10 (UP) - I2-1 (GND) L - W-B Power window motor UP input Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) pulled halfway up (Manual operation) Below 1 V
      I2-10 (UP) - I2-1 (GND) L - W-B Power window motor UP input Engine switch on (IG), rear LH door power window fully open 11 to 14 V
      I2-10 (UP) - I2-1 (GND) L - W-B Power window motor UP input Engine switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pulled up (Auto operation) Below 1 V
      I2-10 (UP) - I2-1 (GND) L - W-B Power window motor UP input Engine switch on (IG), rear LH door power window fully closed 11 to 14 V

      If the result is not as specified, the power window regulator motor assembly (for rear LH door) may be malfunctioning.

  8. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Door) 
    1. Disconnect the H2 power window regulator motor assembly (for rear RH door) connector.
      Fig 8: Measuring Values Of Power Window Regulator Motor Assembly (For Rear RH Door) Connector
      GTY362109Courtesy 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
      H2-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      H2-2 (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 H2 power window regulator motor assembly (for rear RH door) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      H2-4 (AUTO) - H2-1 (GND) V - W-B Power window motor AUTO UP input Engine switch on (IG), rear RH door power window fully open 11 to 14 V
      H2-4 (AUTO) - H2-1 (GND) V - W-B Power window motor AUTO UP input Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pulled up (Auto operation) Below 1 V
      H2-4 (AUTO) - H2-1 (GND) V - W-B Power window motor AUTO UP input Engine switch on (IG), rear RH door power window fully closed 11 to 14 V
      H2-4 (AUTO) - H2-1 (GND) V - W-B Power window motor AUTO DOWN input Engine switch on (IG), rear RH door power window fully closed 11 to 14 V
      H2-4 (AUTO) - H2-1 (GND) V - W-B Power window motor AUTO DOWN input Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pushed down (Auto operation) Below 1 V
      H2-4 (AUTO) - H2-1 (GND) V - W-B Power window motor AUTO DOWN input Engine switch on (IG), rear RH door power window fully open 11 to 14 V
      H2-5 (LED) - H2-1 (GND) LG - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      H2-5 (LED) - H2-1 (GND) LG - W-B LED illumination signal Engine switch turned off Below 1 V
      H2-7 (DOWN) - H2-1 (GND) R - W-B Power window motor DOWN input Engine switch on (IG), rear power window regulator switch assembly (for RH door) not pushed or pulled 11 to 14 V
      H2-7 (DOWN) - H2-1 (GND) R - W-B Power window motor DOWN input Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) pushed halfway down (Manual operation) Below 1 V
      H2-7 (DOWN) - H2-1 (GND) R - W-B Power window motor DOWN input Engine switch on (IG), rear RH door power window fully closed 11 to 14 V
      H2-7 (DOWN) - H2-1 (GND) R - W-B Power window motor DOWN input Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pushed down (Auto operation) Below 1 V
      H2-7 (DOWN) - H2-1 (GND) R - W-B Power window motor DOWN input Engine switch on (IG), rear RH door power window fully open 11 to 14 V
      H2-10 (UP) - H2-1 (GND) L - W-B Power window motor UP input Engine switch on (IG), rear power window regulator switch assembly (for RH door) not pushed or pulled 11 to 14 V
      H2-10 (UP) - H2-1 (GND) L - W-B Power window motor UP input Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) pulled halfway up (Manual operation) Below 1 V
      H2-10 (UP) - H2-1 (GND) L - W-B Power window motor UP input Engine switch on (IG), rear RH door power window fully open 11 to 14 V
      H2-10 (UP) - H2-1 (GND) L - W-B Power window motor UP input Engine switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pulled up (Auto operation) Below 1 V
      H2-10 (UP) - H2-1 (GND) L - W-B Power window motor UP input Engine switch on (IG), rear RH door power window fully closed 11 to 14 V

      If the result is not as specified, the power window regulator motor assembly (for rear RH door) may be malfunctioning.

  9. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    1. Disconnect the MB and D5 main body ECU (multiplex network body ECU) connectors.
      Fig 9: Instrument Panel Junction Block Assembly & Main Body ECU (Multiplex Network Body ECU) Connector Terminal Identification (1 Of 2)
      GTY371951Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *A Main Body ECU (Multiplex Network Body ECU) with 2 Connectors - -
      *1 Main Body ECU (Multiplex Network Body ECU) - -
      *a 2 Connectors - -
      Fig 10: Instrument Panel Junction Block Assembly & Main Body ECU (Multiplex Network Body ECU) Connector Terminal Identification (2 Of 2)
      GTY380196Courtesy 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) - -
      *a 3 Connectors - -
    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 connectors disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      MB-11 (GND1) - Body ground - Ground Always Below 1 Ω
      MB-30 (BECU) - Body ground - Battery power supply Always 11 to 14 V
      D5-3 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
      MB-29 (ACC) - Body ground - ACC power supply Engine switch on (ACC) 11 to 14 V
      MB-29 (ACC) - Body ground - ACC power supply Engine switch off Below 1 V
      MB-31 (ALTB) - Body ground - Battery power supply Always 11 to 14 V
      MB-32 (IG) - Body ground - IG power supply Engine switch on (IG) 11 to 14 V
      MB-32 (IG) - Body ground - IG power supply Engine switch off Below 1 V

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

    3. Reconnect the MB and D5 main body ECU (multiplex network body ECU) connectors.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      3C-15 (FLCY) - Body ground L - Body ground Front door courtesy switch LH input Front door LH open Below 1 V
      3C-15 (FLCY) - Body ground L - Body ground Front door courtesy switch LH input Front door LH closed 11 to 14 V
      D6-19 (FRCY) - Body ground R - Body ground Front door courtesy switch RH input Front door RH open Below 1 V
      D6-19 (FRCY) - Body ground R - 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 be malfunctioning.