Click here

POWER WINDOW CONTROL SYSTEM TERMINALS OF ECU

Click here
Click here
Click here
  1. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY


    1. B004TTDC10
      *A for LHD
      *B for RHD

      Disconnect the I5*1 or I2*2 multiplex network master switch assembly connector.


      • *1: for LHD

      • *2: for RHD

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

      Tip:

      Measure the values on the wire harness side with the connector disconnected.

      Table 1. for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I5-11 (B) - I5-12 (GND) LA-GR - LA-R Power supply Power switch off 11 to 14 V
      I5-12 (GND) - Body ground LA-R - Body ground Ground Always Below 1 Ω
      Table 2. for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I2-11 (B) - I2-12 (GND) LA-GR - LA-R Power supply Power switch off 11 to 14 V
      I2-12 (GND) - Body ground LA-R - Body ground Ground Always Below 1 Ω
    3. Reconnect the I5*1 or I2*2 multiplex network master switch assembly connector.


      • *1: for LHD

      • *2: for RHD

    4. Measure the voltage according to the value(s) in the table below.

      Table 3. for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I5-15 (DOWN) - I5-12 (GND) G - LA-R Power window motor DOWN output Power switch on (IG), driver door power window regulator switch not pushed or pulled 11 to 14 V
      Power switch on (IG), driver door power window moving, driver door power window regulator switch pushed halfway down (Manual operation) Below 1 V
      I5-20 (UP) - I5-12 (GND) R - LA-R Power window motor UP output Power switch on (IG), driver door power window regulator switch not pushed or pulled 11 to 14 V
      Power switch on (IG), driver door power window moving, driver door power window regulator switch pulled halfway up (Manual operation) Below 1 V
      Table 4. for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I2-15 (DOWN) - I2-12 (GND) G - LA-R Power window motor DOWN output Power switch on (IG), driver door power window regulator switch not pushed or pulled 11 to 14 V
      Power switch on (IG), driver door power window moving, driver door power window regulator switch pushed halfway down (Manual operation) Below 1 V
      I2-20 (UP) - I2-12 (GND) R - LA-R Power window motor UP output Power switch on (IG), driver door power window regulator switch not pushed or pulled 11 to 14 V
      Power switch on (IG), driver door power window moving, driver door power window regulator switch pulled halfway up (Manual operation) Below 1 V
    5. Measure the pulse according to the value(s) in the table below.

      Table 5. for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I5-17 (LIN1) - Body ground SB - Body ground LIN communication line Power switch on (IG) Pulse generation
      Table 6. for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I2-17 (LIN1) - Body ground SB - Body ground LIN communication line Power switch on (IG) Pulse generation
  2. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (for LHD)


    1. B004TGME26

      Disconnect the H21 front power window regulator motor assembly LH connector.

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

      Tip:

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H21-1 (GND) - Body ground LA-B - Body ground Ground Always Below 1 Ω
      H21-2 (B) - Body ground LA-L - Body ground Power supply Power switch off 11 to 14 V
    3. Reconnect the H21 front power window regulator motor assembly LH connector.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H21-7 (DOWN) - H21-1 (GND) G - LA-B Power window motor DOWN input Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) not pushed or pulled 11 to 14 V
      Power 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
      Power switch on (IG), driver door power window fully closed 11 to 14 V
      Power 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
      Power switch on (IG), driver door power window fully open 11 to 14 V
      H21-10 (UP) - H21-1 (GND) R - LA-B Power window motor UP input Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) not pushed or pulled 11 to 14 V
      Power 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
      Power switch on (IG), driver door power window fully opened 11 to 14 V
      Power 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
      Power switch on (IG), driver door power window fully closed 11 to 14 V
    5. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H21-9 (LIN) - Body ground W - Body ground LIN communication line Power switch on (IG) Pulse generation
  3. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (for RHD)


    1. B004TGME26

      Disconnect the H21 front power window regulator motor assembly LH connector.

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

      Tip:

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H21-1 (GND) - Body ground LA-B - Body ground Ground Always Below 1 Ω
      H21-2 (B) - Body ground LA-R - Body ground Power supply Power switch off 11 to 14 V
    3. Reconnect the H21 front power window regulator motor assembly LH connector.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H21-7 (DOWN) - H21-1 (GND) G - LA-B Power window motor DOWN input Power switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      Power switch on (IG), front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation) Below 1 V
      Power switch on (IG), front passenger door power window fully closed 11 to 14 V
      Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      Power switch on (IG), front passenger door power window fully open 11 to 14 V
      H21-10 (UP) - H21-1 (GND) R - LA-B Power window motor UP input Power switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      Power switch on (IG), front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation) Below 1 V
      Power switch on (IG), front passenger door power window fully open 11 to 14 V
      Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      Power switch on (IG), front passenger door power window fully closed 11 to 14 V
    5. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H21-9 (LIN) - Body ground W - Body ground LIN communication line Power switch on (IG) Pulse generation
  4. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (for LHD)


    1. B004TGME27

      Disconnect the H2 front power window regulator motor assembly RH connector.

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

      Tip:

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H2-1 (GND) - Body ground LA-B - Body ground Ground Always Below 1 Ω
      H2-2 (B) - Body ground LA-R - Body ground Power supply Power switch off 11 to 14 V
    3. Reconnect the H2 front power window regulator motor assembly RH connector.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H2-4 (AUTO) - H2-1 (GND) B - LA-B Power window motor AUTO UP input Power switch on (IG), front passenger door power window fully open 11 to 14 V
      Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      Power switch on (IG), front passenger door power window fully closed 11 to 14 V
      Power window motor AUTO DOWN input Power switch on (IG), front passenger door power window fully closed 11 to 14 V
      Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      Power switch on (IG), front passenger door power window fully open 11 to 14 V
      H2-7 (DOWN) - H2-1 (GND) G - LA-B Power window motor DOWN input Power switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      Power switch on (IG), front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation) Below 1 V
      Power switch on (IG), front passenger door power window fully closed 11 to 14 V
      Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      Power switch on (IG), front passenger door power window fully open 11 to 14 V
      H2-10 (UP) - H2-1 (GND) R - LA-B Power window motor UP input Power switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      Power switch on (IG), front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation) Below 1 V
      Power switch on (IG), front passenger door power window fully open 11 to 14 V
      Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      Power switch on (IG), front passenger door power window fully closed 11 to 14 V
    5. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H2-9 (LIN) - Body ground W - Body ground LIN communication line Power switch on (IG) Pulse generation
  5. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (for RHD)


    1. B004TGME27

      Disconnect the H2 front power window regulator motor assembly RH connector.

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

      Tip:

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H2-1 (GND) - Body ground LA-B - Body ground Ground Always Below 1 Ω
      H2-2 (B) - Body ground LA-L - Body ground Power supply Power switch off 11 to 14 V
    3. Reconnect the H2 front power window regulator motor assembly RH connector.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H2-7 (DOWN) - H2-1 (GND) G - LA-B Power window motor DOWN input Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) not pushed or pulled 11 to 14 V
      Power 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
      Power switch on (IG), driver door power window fully closed 11 to 14 V
      Power 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
      Power switch on (IG), driver door power window fully open 11 to 14 V
      H2-10 (UP) - H2-1 (GND) R - LA-B Power window motor UP input Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) not pushed or pulled 11 to 14 V
      Power 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
      Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) fully open 11 to 14 V
      Power 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
      Power switch on (IG), driver door power window fully closed 11 to 14 V
    5. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H2-9 (LIN) - Body ground W - Body ground LIN communication line Power switch on (IG) Pulse generation
  6. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH


    1. B004TGME16

      Disconnect the K15 rear power window regulator motor assembly LH connector.

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

      Tip:

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K15-1 (GND) - Body ground LA-B - Body ground Ground Always Below 1 Ω
      K15-2 (B) - Body ground LA-B - Body ground Power supply Power switch off 11 to 14 V
    3. Reconnect the K15 rear power window regulator motor assembly LH connector.

    4. Measure the voltage according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      K15-4 (AUTO) - K15-1 (GND) GR - LA-B Power window motor AUTO UP input Power switch on (IG), rear LH door power window fully open 11 to 14 V
      Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for rear LH door) fully pulled up (Auto operation) Below 1 V
      Power switch on (IG), rear LH door power window fully closed 11 to 14 V
      Power window motor AUTO DOWN input Power switch on (IG), rear LH door power window fully closed 11 to 14 V
      Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for rear LH door) fully pushed down (Auto operation) Below 1 V
      Power switch on (IG), rear LH door power window fully open 11 to 14 V
      K15-7 (DOWN) - K15-1 (GND) LA-Y - LA-B Power window motor DOWN input Power switch on (IG), rear power window regulator switch assembly (for rear LH door) not pushed or pulled 11 to 14 V
      Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for rear LH door) pushed halfway down (Manual operation) Below 1 V
      Power switch on (IG), rear LH door power window fully closed 11 to 14 V
      Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for rear LH door) fully pushed down (Auto operation) Below 1 V
      Power switch on (IG), rear LH door power window fully open 11 to 14 V
      K15-10 (UP) - K15-1 (GND) LA-BR - LA-B Power window motor UP input Power switch on (IG), rear power window regulator switch assembly (for rear LH door) not pushed or pulled 11 to 14 V
      Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for rear LH door) pulled halfway up (Manual operation) Below 1 V
      Power switch on (IG), rear LH door power window fully open 11 to 14 V
      Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for rear LH door) fully pulled up (Auto operation) Below 1 V
      Power switch on (IG), rear LH door power window fully closed 11 to 14 V
    5. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K15-9 (LIN) - Body ground L - Body ground LIN communication line Power switch on (IG) Pulse generation
  7. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH


    1. B004TGME17

      Disconnect the K1 rear power window regulator motor assembly RH connector.

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

      Tip:

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K1-1 (GND) - Body ground LA-B - Body ground Ground Always Below 1 Ω
      K1-2 (B) - Body ground LA-BE - Body ground Power supply Power switch off 11 to 14 V
    3. Reconnect the K1 rear power window regulator motor assembly RH connector.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K1-4 (AUTO) - K1-1 (GND) GR - LA-B Power window motor AUTO UP input Power switch on (IG), front passenger door power window fully open 11 to 14 V
      Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      Power switch on (IG), front passenger door power window fully closed 11 to 14 V
      Power window motor AUTO DOWN input Power switch on (IG), front passenger door power window fully closed 11 to 14 V
      Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      Power switch on (IG), front passenger door power window fully open 11 to 14 V
      K1-7 (DOWN) - K1-1 (GND) LA-Y - LA-B Power window motor DOWN input Power switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      Power switch on (IG), front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation) Below 1 V
      Power switch on (IG), front passenger door power window fully closed 11 to 14 V
      Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      Power switch on (IG), front passenger door power window fully open 11 to 14 V
      K1-10 (UP) - K1-1 (GND) LA-BR - LA-B Power window motor UP input Power switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      Power switch on (IG), front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation) Below 1 V
      Power switch on (IG), front passenger door power window fully open 11 to 14 V
      Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      Power switch on (IG), front passenger door power window fully closed 11 to 14 V
    5. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K1-9 (LIN) - Body ground L - Body ground LIN communication line Power switch on (IG) Pulse generation
  8. B004YL6E15

    CHECK FRONT MULTIPLEX NETWORK DOOR ECU LH


    1. Disconnect the H31 front multiplex network door ECU LH connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H31-6 (BDR) - H31-1 (GND) R - W-B Auxiliary battery power supply Power switch off 11 to 14 V
      H31-3 (SIG) - H31-1 (GND) B - W-B Power switch power supply Power switch on (IG) 11 to 14 V
      H31-4 (CPUB) - H31-1 (GND) L - W-B Auxiliary battery power supply Power switch off 11 to 14 V
      H31-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    3. Reconnect the H31 front multiplex network door ECU LH connector.

    4. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H31-5 (BDRJ) - H31-1 (GND)

      LA-L - W-B*1

      LA-R - W-B*2

      Power window regulator motor power supply Power switch off 11 to 14 V
      H31-2 (PWE) - Body ground LA-B - Body ground Ground Always Below 1 Ω
      H31-9 (SGND) - Body ground R - Body ground Ground Always Below 1 Ω

      *1: for LHD

      *2: for RHD

    5. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H31-11 (LIN1) - Body ground

      SB - Body ground*1

      B - Body ground*2

      LIN communication line Power switch on (IG) Pulse generation
      H31-13 (LIN3) - Body ground W - Body ground LIN communication line Power switch on (IG) Pulse generation

      *1: for LHD

      *2: for RHD

  9. B004YL6E16

    CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH


    1. Disconnect the H12 front multiplex network door ECU RH connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H12-6 (BDR) - H12-1 (GND) R - W-B Auxiliary battery power supply Power switch off 11 to 14 V
      H12-3 (SIG) - H12-1 (GND) B - W-B Power switch power supply Power switch on (IG) 11 to 14 V
      H12-4 (CPUB) - H12-1 (GND) L - W-B Auxiliary battery power supply Power switch off 11 to 14 V
      H12-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    3. Reconnect the H12 front multiplex network door ECU RH connector.

    4. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H12-5 (BDRJ) - H12-1 (GND)

      LA-R - W-B*1

      LA-L - W-B*2

      Power window regulator motor power supply Power switch off 11 to 14 V
      H12-2 (PWE) - Body ground LA-B - Body ground Ground Always Below 1 Ω
      H12-9 (SGND) - Body ground R - Body ground Ground Always Below 1 Ω

      *1: for LHD

      *2: for RHD

    5. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H12-11 (LIN1) - Body ground

      B - Body ground*1

      SB - Body ground*2

      LIN communication line Power switch on (IG) Pulse generation
      H13-12 (LIN3) - Body ground W - Body ground LIN communication line Power switch on (IG) Pulse generation

      *1: for LHD

      *2: for RHD

  10. B004W3RE11

    CHECK REAR MULTIPLEX NETWORK DOOR ECU LH


    1. Disconnect the K21 rear multiplex network door ECU LH connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K21-4 (BDR) - K21-1 (GND) L - LA Auxiliary battery power supply Power switch off 11 to 14 V
      K21-12 (SIG) - K21-1 (GND) B - LA Power switch power supply Power switch on (IG) 11 to 14 V
      K21-11 (CPUB) - K21-1 (GND) L - LA Auxiliary battery power supply Power switch off 11 to 14 V
      K21-1 (GND) - Body ground LA - Body ground Ground Always Below 1 Ω
    3. Reconnect the K21 rear multiplex network door ECU LH connector.

    4. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K21-3 (BDRJ) - K21-1 (GND) LA-B - LA Power window regulator motor power supply Power switch off 11 to 14 V
      K21-2 (PWE) - Body ground LA-B - Body ground Ground Always Below 1 Ω
      K21-9 (SGND) - Body ground R - Body ground Ground Always Below 1 Ω
    5. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K21-22 (LIN1) - Body ground B - Body ground LIN communication line Power switch on (IG) Pulse generation
      K21-23 (LIN3) - Body ground L - Body ground LIN communication line Power switch on (IG) Pulse generation
  11. B004W3RE12

    CHECK REAR MULTIPLEX NETWORK DOOR ECU RH


    1. Disconnect the K7 rear multiplex network door ECU RH connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K7-4 (BDR) - K7-1 (GND) B - LA Auxiliary battery power supply Power switch off 11 to 14 V
      K7-12 (SIG) - K7-1 (GND) L - LA Power switch power supply Power switch on (IG) 11 to 14 V
      K7-11 (CPUB) - K7-1 (GND) L - LA Auxiliary battery power supply Power switch off 11 to 14 V
      K7-1 (GND) - Body ground LA - Body ground Ground Always Below 1 Ω
    3. Reconnect the K7 rear multiplex network door ECU RH connector.

    4. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K7-3 (BDRJ) - K7-1 (GND) LA-BE - LA Power window regulator motor power supply Power switch off 11 to 14 V
      K7-2 (PWE) - Body ground LA-B - Body ground Ground Always Below 1 Ω
      K7-9 (SGND) - Body ground R - Body ground Ground Always Below 1 Ω
    5. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K7-22 (LIN1) - Body ground B - Body ground LIN communication line Power switch on (IG) Pulse generation
      K7-23 (LIN3) - Body ground L - Body ground LIN communication line Power switch on (IG) Pulse generation
  12. B004TKOC30
    *1 Main Body ECU (Multiplex Network Body ECU) - -

    CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)


    1. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

      Click here

    2. Reconnect the instrument panel junction block assembly connectors.

    3. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      A-11 (GND1) - Body ground None - Body ground Ground Always Below 1 Ω
      A-31 (BECU) - Body ground None - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      A-30 (ACC) - Body ground None - Body ground ACC power supply Power switch on (ACC) 11 to 14 V
      Power switch off Below 1 V
      A-32 (IG) - Body ground None - Body ground IG power supply Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V
    4. Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.

      Click here

    5. Measure the voltage and waveform according to the value(s) in the table below.

      Table 7. for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G12-1 (FLCY) - Body ground R - Body ground Courtesy light switch LH input Front door LH open Below 1 V
      Front door LH closed 4.7 to 5.3 V
      G17-18 (L2) - Body ground Y - Body ground Driver door key-linked lock input Driver door key cylinder turned to lock Below 1 V
      Driver door key cylinder off Pulse generation
      G17-17 (UL3) - Body ground LG - Body ground Driver door key-linked unlock input Driver door key cylinder turned to unlock Below 1 V
      Driver door key cylinder off Pulse generation
      5A-19 - Body ground L - Body ground LIN communication line Power switch on (IG) Pulse generation
      5H-34 - Body ground BE - Body ground LIN communication line Power switch on (IG) Pulse generation
      5H-35 - Body ground B - Body ground LIN communication line Power switch on (IG) Pulse generation
      Table 8. for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G12-6 (FRCY) - Body ground R - Body ground Courtesy light switch RH input Front door RH open Below 1 V
      Front door RH closed 4.7 to 5.3 V
      G17-18 (L2) - Body ground Y - Body ground Driver door key-linked lock input Driver door key cylinder turned to lock Below 1 V
      Driver door key cylinder off Pulse generation
      G17-17 (UL3) - Body ground LG - Body ground Driver door key-linked unlock input Driver door key cylinder turned to unlock Below 1 V
      Driver door key cylinder off Pulse generation
      5A-40 - Body ground L - Body ground LIN communication line Power switch on (IG) Pulse generation
      5H-33 - Body ground LG - Body ground LIN communication line Power switch on (IG) Pulse generation
      5H-34 - Body ground B - Body ground LIN communication line Power switch on (IG) Pulse generation