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AUDIO AND VISUAL SYSTEM Switch Lights of Remote Touch Always Illuminate or cannot be Controlled Using Rheostat

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DTC Code DTC Name
  Switch Lights of Remote Touch Always Illuminate or cannot be Controlled Using Rheostat
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DESCRIPTION

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

Tip:

  • When the remote touch is in self check mode, the switch illumination on the remote touch may remain on.

  • If any illumination controlled by the rheostat switch has a malfunction such as an open circuit, the switch illumination of the remote touch is affected and cannot be controlled by the rheostat switch.

Table 1. *a from PANEL P Relay *b Remote Operation Controller Assembly (Remote Touch) *c Combination Meter Assembly *d Other Systems
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WIRING DIAGRAM

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PROCEDURE


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    CHECK ILLUMINATION CONTROLLED BY RHEOSTAT SWITCH


    1. Perform the following procedure and check that the illumination controlled by the rheostat switch illuminates properly.


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

        Tip:

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

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

        Tip:

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

        Result
        Result Proceed to
        Any of the illumination controlled by the rheostat switch does not illuminate properly. A
        All of the illumination controlled by the rheostat switch illuminates properly. B
        Tip:

        The shift lever illumination and panel switch illumination are controlled by the rheostat switch. If either of these has a malfunction such as an open circuit, the switch illumination of the remote touch is affected and cannot be controlled by the rheostat switch.


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    REPAIR OR REPLACE ILLUMINATION CONTROLLED BY RHEOSTAT SWITCH


    1. Repair or replace the part with the malfunctioning illumination that is controlled by the rheostat switch.

      Result
      Proceed to
      NEXT

  3. Click here

    CONFIRM SYMPTOMS


    1. B004TC5C04
      *a Switch Illumination

      Perform the following procedure, operate the rheostat switch again, and check if illumination brightness adjustment is possible (including adjustment of other devices such as the radio receiver assembly).


      1. Check if the remote touch is in self check mode. If it is, cancel self check mode.

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        Tip:

        When the remote touch is in self check mode, the switch illumination on the remote touch may remain on.

      2. If the vehicle is in a bright area, move it to a dark area.

        Tip:

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

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

        Tip:

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

      Result
      Result Proceed to
      Switch illumination cannot be adjusted (illumination for other devices can be adjusted). A
      Switch illumination cannot be adjusted (illumination for other devices also cannot be adjusted). B
      Switch illumination can be adjusted. C

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    REMOTE TOUCH SELF CHECK (SWITCH ILLUMINATION CHECK)


    1. Enter self-diagnostic mode.

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    2. B004YUHC02
      *a Switch Illumination
      *b Touch Screen

      Operate the remote touch screen diagonally from the upper left to the lower right and check that the brightness of the switch illumination changes.

      Note:

      Since the remote touch screen may recognize a pinch in/out or flick operation if operated with 2 fingers, always use 1 finger to operate the remote touch in self-diagnostic mode.

      OK
      Brightness changes according to touch screen operation.
      Result
      Proceed to
      OK
      NG

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    CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL CIRCUIT)


    1. Disconnect the G76 remote operation controller assembly (remote touch) connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      G76-2 (ILL+) - Body ground

      Power switch on (IG)

      Light control switch in tail or head position

      		 11 to 14 V
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  6. Click here

    CHECK HARNESS AND CONNECTOR (REMOTE OPERATION CONTROLLER ASSEMBLY [REMOTE TOUCH] - COMBINATION METER ASSEMBLY)


    1. Disconnect the G76 remote operation controller assembly (remote touch) connector.

    2. Disconnect the G34 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G76-5 (ILL-) - G34-39 (ILL-) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    • OK

      REPLACE REMOTE OPERATION CONTROLLER ASSEMBLY (REMOTE TOUCH)Click here

    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR