NAVIGATION SYSTEM Switch Lights of Remote Touch do not Illuminate

DESCRIPTION

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

Tech Tips

Only the "MAP/VOICE"*1 or "HOME"*2 and "MENU" switches on the remote touch illuminate.


WIRING DIAGRAM

A01G6TSE01

INSPECTION PROCEDURE

Note

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

PROCEDURE


  1. CONFIRM SYMPTOMS


    1. A01G7PRE02
      Text in Illustration
      *a Switch Illumination

      Perform the following settings and check the switch illumination again.


      1. When the vehicle is in a bright area, move to a dark area.

        Tech Tips

        When the vehicle is in a bright area, the switch illumination may not turn on due to the automatic dimmer function.

      2. Set the rheostat to the maximum brightness.

        Tech Tips

        If the brightness of the rheostat is set to low, switch illumination may not be recognized even when the switch illumination turns on.

      3. If the light control switch is in the AUTO position, turn the switch to the tail or head position.

        Tech Tips

        If the light control switch is in the AUTO position, the switch illumination will not turn on unless the surrounding area is dark.

        OK
        Switch illumination turns on.

    NG

    REMOTE TOUCH SELF CHECK (SWITCH ILLUMINATION CHECK) Click here

    OK

    END

  2. REMOTE TOUCH SELF CHECK (SWITCH ILLUMINATION CHECK)


    1. Activate self check mode Click here.

    2. A01G7PRE01
      Text in Illustration
      *a Switch Illumination
      *b Switch Knob

      Check switch illumination.


      1. Move the remote touch switch knob from the lower left to the upper right to check that the brightness of the switch illumination changes.

        OK
        The switch illumination brightness changes according to the remote touch switch knob operation.

    NG

    REPLACE REMOTE OPERATION SWITCH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL)


    1. Disconnect the H95 remote touch connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      H95-9 (ILL+) - Body ground Light control switch in tail or head position 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


    1. Disconnect the H95 remote touch 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
      H95-16 (ILL-) - H14-39 (ILL-) Always Below 1 Ω
      H95-16 (ILL-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. REPLACE REMOTE OPERATION BOARD


    1. Replace the remote operation board 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.

    NG

    GO TO METER / GAUGE SYSTEM Click here

    OK

    END

  6. REPLACE REMOTE OPERATION SWITCH


    1. Replace the remote operation switch 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.

    NG

    REPLACE REMOTE OPERATION BOARD Click here

    OK

    END