LIGHTING SYSTEM Personal Light Circuit

DESCRIPTION

The room light control relay controls the illumination of the interior illumination lights (roof color illumination) and spot light assemblies.

WIRING DIAGRAM


  1. B006P76E09

CAUTION / NOTICE / HINT

Note

The lighting system uses CAN communication. First perform the inspections in "How to Proceed with Troubleshooting" to confirm that there are no communication malfunctions before proceeding with troubleshooting.

Click here

PROCEDURE


  1. PERFORM ACTIVE TEST USING GTS (PERSONAL LIGHT REAR)


    1. Using the GTS, perform the Active Test.

      Click here


      Body Electrical > ILLUMINATION > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Personal Light Rear Right 1 Spot light assembly RH (for Rear No. 1 Seat) condition ON or OFF -
      Personal Light Rear Right 2 Spot light assembly RH (for Rear No. 2 Seat) condition ON or OFF -
      Personal Light Rear Left 1 Spot light assembly LH (for Rear No. 1 Seat) condition ON or OFF -
      Personal Light Rear Left 2 Spot light assembly LH (for Rear No. 2 Seat) condition ON or OFF -

      Body Electrical > ILLUMINATION > Active Test
      Tester Display
      Personal Light Rear Right 1

      Body Electrical > ILLUMINATION > Active Test
      Tester Display
      Personal Light Rear Right 2

      Body Electrical > ILLUMINATION > Active Test
      Tester Display
      Personal Light Rear Left 1

      Body Electrical > ILLUMINATION > Active Test
      Tester Display
      Personal Light Rear Left 2
      OK
      Spot lights illuminate.
      Result
      Result Proceed to
      OK A
      NG (Spot light assembly RH [for Rear No. 1 Seat]) B
      NG (Spot light assembly RH [for Rear No. 2 Seat]) C
      NG (Spot light assembly LH [for Rear No. 1 Seat]) D
      NG (Spot light assembly LH [for Rear No. 2 Seat]) E

    A

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    C

    CHECK SPOT LIGHT ASSEMBLY RH POWER SOURCE CIRCUIT Click here

    D

    CHECK SPOT LIGHT ASSEMBLY LH POWER SOURCE CIRCUIT Click here

    E

    CHECK SPOT LIGHT ASSEMBLY LH POWER SOURCE CIRCUIT Click here

    B

  2. CHECK SPOT LIGHT ASSEMBLY RH POWER SOURCE CIRCUIT


    1. B006LCFC12
      *a

      Front view of wire harness connector

      (to Spot Light Assembly RH)

      Disconnect the S6 spot light assembly RH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      S6-2 (B) - Body ground Battery saving control (interior light auto cut function) not operating 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (SPOT LIGHT ASSEMBLY RH - ROOM LIGHT CONTROL RELAY)


    1. Disconnect the S6 spot light assembly RH connector.

    2. Disconnect the S30 room light control relay connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      S6-4 (CTY) - S30-22 (FCTY) Always Below 1 Ω
      S6-4 (CTY) or S30-22 (FCTY) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK SPOT LIGHT ASSEMBLY RH


    1. Replace the spot light assembly RH with a new or known good one.

      Click here

    2. Check that each function of the spot light assembly operates normally.

      OK
      Spot lights illuminate.
      Result
      Proceed to
      OK
      NG

    OK

    END (SPOT LIGHT ASSEMBLY RH WAS DEFECTIVE)

    NG

    REPLACE ROOM LIGHT CONTROL RELAY Click here

  5. CHECK SPOT LIGHT ASSEMBLY RH POWER SOURCE CIRCUIT


    1. B006LCFC13
      *a

      Front view of wire harness connector

      (to Spot Light Assembly RH)

      Disconnect the S17 spot light assembly RH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      S17-2 (B) - Body ground Battery saving control (interior light auto cut function) not operating 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. CHECK HARNESS AND CONNECTOR (SPOT LIGHT ASSEMBLY RH - ROOM LIGHT CONTROL RELAY)


    1. Disconnect the S17 spot light assembly RH connector.

    2. Disconnect the S30 room light control relay connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      S17-4 (-) - S30-21 (PLCK) Always Below 1 Ω
      S17-4 (-) or S30-21 (PLCK) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. CHECK SPOT LIGHT ASSEMBLY RH


    1. Replace the spot light assembly RH with a new or known good one.

      Click here

    2. Check that each function of the spot light assembly operates normally.

      OK
      Spot lights illuminate.
      Result
      Proceed to
      OK
      NG

    OK

    END (SPOT LIGHT ASSEMBLY RH WAS DEFECTIVE)

    NG

    REPLACE ROOM LIGHT CONTROL RELAY Click here

  8. CHECK SPOT LIGHT ASSEMBLY LH POWER SOURCE CIRCUIT


    1. B006LCFC14
      *a

      Front view of wire harness connector

      (to Spot Light Assembly LH)

      Disconnect the S2 spot light assembly LH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      S2-2 (B) - Body ground Battery saving control (interior light auto cut function) not operating 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  9. CHECK HARNESS AND CONNECTOR (SPOT LIGHT ASSEMBLY LH - ROOM LIGHT CONTROL RELAY)


    1. Disconnect the S2 spot light assembly LH connector.

    2. Disconnect the S30 room light control relay connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      S2-4 (CTY) - S30-24 (RLLC) Always Below 1 Ω
      S2-4 (CTY) or S30-24 (RLLC) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  10. CHECK SPOT LIGHT ASSEMBLY LH


    1. Replace the spot light assembly LH with a new or known good one.

      Click here

    2. Check that each function of the spot light assembly operates normally.

      OK
      Spot lights illuminate.
      Result
      Proceed to
      OK
      NG

    OK

    END (SPOT LIGHT ASSEMBLY LH WAS DEFECTIVE)

    NG

    REPLACE ROOM LIGHT CONTROL RELAY Click here

  11. CHECK SPOT LIGHT ASSEMBLY LH POWER SOURCE CIRCUIT


    1. B006LCFC15
      *a

      Front view of wire harness connector

      (to Spot Light Assembly LH)

      Disconnect the S14 spot light assembly LH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      S14-2 (B) - Body ground Battery saving control (interior light auto cut function) not operating 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  12. CHECK HARNESS AND CONNECTOR (SPOT LIGHT ASSEMBLY LH - ROOM LIGHT CONTROL RELAY)


    1. Disconnect the S14 spot light assembly LH connector.

    2. Disconnect the S30 room light control relay connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      S14-4 (-) - S30-23 (RRLC) Always Below 1 Ω
      S14-4 (-) or S30-23 (RRLC) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  13. CHECK SPOT LIGHT ASSEMBLY LH


    1. Replace the spot light assembly LH with a new or known good one.

      Click here

    2. Check that each function of the spot light assembly operates normally.

      OK
      Spot lights illuminate.
      Result
      Proceed to
      OK
      NG

    OK

    END (SPOT LIGHT ASSEMBLY LH WAS DEFECTIVE)

    NG

    REPLACE ROOM LIGHT CONTROL RELAY Click here