NAVIGATION SYSTEM (for DVD) 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.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CONFIRM SYMPTOMS

   
   
   1. 

      Text in Illustration

      *1	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. 

      Text in Illustration

      *1	Switch Illumination
      *2	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 INTEGRATION PANEL SUB-ASSEMBLY Click here

   OK

3. CHECK HARNESS AND CONNECTOR

   
   
   1. 

      Text in Illustration

      *1	Front view of wire harness connector (to Remote Touch)

      Disconnect the remote touch connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition G13-6 (ILL+) - Body ground Light control switch in tail or head 11 to 14 V

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

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

   
   

   1. 

      Disconnect the remote touch connector.

   2. 

      Disconnect the combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition G13-4 (ILL-) - F15-15 (ILL-) Always Below 1 Ω G13-4 (ILL-) - Body ground Always 10 kΩ or higher

      Text in Illustration

      *1	Front view of wire harness connector (to Remote Touch)
      *2	Front view of wire harness connector (to Combination Meter Assembly)

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

   REPLACE REMOTE TOUCH (REMOTE OPERATION BOARD)

5. REPLACE REMOTE TOUCH (REMOTE OPERATION BOARD)

   
   

   1. Replace the remote touch (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 INTEGRATION PANEL SUB-ASSEMBLY

   
   

   1. Replace the integration panel sub-assembly 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 TOUCH (REMOTE OPERATION BOARD) Click here

   OK

   END