LIGHTING SYSTEM Personal Light Switch Circuit

DESCRIPTION

The room light control relay receives the signals of each spot light assembly switch.

WIRING DIAGRAM

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. READ VALUE USING GTS (PERSONAL LIGHT SWITCH REAR)


    1. Using the GTS, read the Data List.

      Click here

      OK
      Spot lights illuminate.

      Body Electrical > ILLUMINATION > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Personal Light Switch Rear Right 1 Spot light assembly RH (for Rear No. 1 Seat) condition ON or OFF

      ON: Turns spot light assembly RH (for Rear No. 1 Seat) on

      OFF: Turns spot light assembly RH (for Rear No. 1 Seat) off

      		 -
      Personal Light Switch Rear Right 2 Spot light assembly RH (for Rear No. 2 Seat) condition ON or OFF

      ON: Turns spot light assembly RH (for Rear No. 2 Seat) on

      OFF: Turns spot light assembly RH (for Rear No. 2 Seat) off

      		 -
      Personal Light Switch Rear Left 1 Spot light assembly LH (for Rear No. 1 Seat) condition ON or OFF

      ON: Turns spot light assembly LH (for Rear No. 1 Seat) on

      OFF: Turns spot light assembly LH (for Rear No. 1 Seat) off

      		 -
      Personal Light Switch Rear Left 2 Spot light assembly LH (for Rear No. 2 Seat) condition ON or OFF

      ON: Turns spot light assembly LH (for Rear No. 2 Seat) on

      OFF: Turns spot light assembly LH (for Rear No. 2 Seat) off

      		 -

      Body Electrical > ILLUMINATION > Data List
      Tester Display
      Personal Light Switch Rear Right 1
      Personal Light Switch Rear Right 2
      Personal Light Switch Rear Left 1
      Personal Light Switch Rear Left 2
      OK
      Normal conditions listed above are displayed.
      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 HARNESS AND CONNECTOR (SPOT LIGHT ASSEMBLY RH - ROOM LIGHT CONTROL RELAY AND BODY GROUND) Click here

    D

    CHECK HARNESS AND CONNECTOR (SPOT LIGHT ASSEMBLY LH - ROOM LIGHT CONTROL RELAY AND BODY GROUND) Click here

    E

    CHECK HARNESS AND CONNECTOR (SPOT LIGHT ASSEMBLY LH - ROOM LIGHT CONTROL RELAY AND BODY GROUND) Click here

    B

  2. CHECK HARNESS AND CONNECTOR (SPOT LIGHT ASSEMBLY RH - ROOM LIGHT CONTROL RELAY AND BODY GROUND)


    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
      S6-3 (ILL+) - S30-12 (+) Always Below 1 Ω
      S6-5 (E) - Body ground Always Below 1 Ω
      S6-3 (ILL+) or S30-12 (+) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. 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

  4. CHECK HARNESS AND CONNECTOR (SPOT LIGHT ASSEMBLY RH - ROOM LIGHT CONTROL RELAY AND BODY GROUND)


    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
      S17-3 (ILL+) - S30-3 (+) Always Below 1 Ω
      S17-5 (E) - Body ground Always Below 1 Ω
      S17-3 (ILL+) or S30-3 (+) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. 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

  6. CHECK HARNESS AND CONNECTOR (SPOT LIGHT ASSEMBLY LH - ROOM LIGHT CONTROL RELAY AND BODY GROUND)


    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
      S2-3 (ILL+) - S30-13 (SW) Always Below 1 Ω
      S2-5 (E) - Body ground Always Below 1 Ω
      S2-3 (ILL+) or S30-13 (SW) - 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 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

  8. CHECK HARNESS AND CONNECTOR (SPOT LIGHT ASSEMBLY LH - ROOM LIGHT CONTROL RELAY AND BODY GROUND)


    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
      S14-3 (ILL+) - S30-5 (SW) Always Below 1 Ω
      S14-5 (CTY) - Body ground Always Below 1 Ω
      S14-3 (ILL+) or S30-5 (SW) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  9. 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