AUDIO AND VISUAL SYSTEM Switch Lights of Remote Touch do not Illuminate

DESCRIPTION

Power is supplied to the remote operation board illumination when the light control switch is in the tail or head position.

Tech Tips

Only the "AUDIO", "MENU" and return switches on the remote operation board illuminate.

WIRING DIAGRAM

A01W4DIE02

CAUTION / NOTICE / HINT

Note

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL)


    1. Disconnect the H95 remote operation board connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      H95-1 (ILL+) - Body ground Light control switch in tail or head position

      11 to 14 V*1

      9.5 to 14 V*2

      • *1: w/o Stop and Start System

      • *2: w/ Stop and Start System

    3. Proceed to the next step based on the inspection result.

      Result
      Result Proceed to
      OK A
      NG (w/o Stop and Start System) B
      NG (w/ Stop and Start System) C

    B

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    C

    GO TO STOP AND START SYSTEM Click here

    A

  2. CHECK HARNESS AND CONNECTOR (REMOTE OPERATION BOARD - COMBINATION METER ASSEMBLY)


    1. Disconnect the H95 remote operation board connector.

    2. Disconnect the H14 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H95-8 (ILL-) - H14-39 (ILL-) Always Below 1 Ω
      H95-8 (ILL-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. REPLACE REMOTE OPERATION BOARD


    1. Replace the remote operation board with a new or known good one Click here.

    2. Check if the switch illumination turns on.

      OK
      The switch illumination turns on when the light control switch is in the tail or head position.

    OK

    END

    NG

    GO TO METER / GAUGE SYSTEM Click here