NAVIGATION SYSTEM Switch Lights of Remote Touch do not Illuminate

DESCRIPTION

Power is supplied to the remote touch (remote operation controller assembly) switch illumination when the light control switch is in the tail or head position.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

PROCEDURE

1. CHECK SYMPTOMS

   
   
   1. 

      *a	Switch Illumination

      Perform the following procedure and check the switch illumination again.

      
      

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

      Result
      Proceed to OK NG

   
   

   OK

   END

   NG

2. REMOTE TOUCH SELF CHECK (SWITCH ILLUMINATION CHECK)

   
   

   1. Activate self-diagnostic mode.

      Click here

   2. 

      *a	Switch Illumination
      *b	Touchpad

      Check switch illumination.

      
      

      1. Operate the touchpad diagonally from the lower left to the upper right and check that the brightness of the switch illumination changes.

         Note

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

         OK
         Brightness changes according to touchpad operation.

      Result
      Proceed to OK NG

   
   

   NG

   GO TO STEP 5 Click here

   OK

3. CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL)

   
   

   1. Disconnect the O75 remote touch (remote operation controller assembly) connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition O75-2 (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

      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

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

   
   

   1. Disconnect the O75 remote touch (remote operation controller assembly) connector.

   2. Disconnect the O3 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition O75-5 (ILL-) - O3-39 (ILL-) Always Below 1 Ω O75-5 (ILL-) - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

5. REPLACE REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY)

   
   

   1. Replace the remote touch (remote operation controller assembly) 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.

      Result
      Proceed to OK NG

   
   

   OK

   END

   NG

   GO TO METER / GAUGE SYSTEM Click here