Diesel Data: Automotive Repair

Audio Remote Switch Does Not Work Properly (08-10 Models)




Audio System Symptom Troubleshooting - Audio remote switch does not work properly ('08-10 models)

Audio remote switch does not work properly ('08-10 models)

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or loose terminals.

1. Check the audio unit operation (volume up, volume down, CH (-), CH (+), MODE).

Is the audio unit operation OK?

YES -

Operation is normal.�

NO -

Go to step 2.

2. Test the audio remote switch Audio Remote Switch Test.

Is the audio remote switch OK?

YES -

Go to step 3.

NO -

Replace the audio remote switch Overhaul, and recheck.�

3. Disconnect audio unit connector F (20P).

4. Measure the resistance between audio unit connector F (20P) terminals No. 6 and No. 7 as specified in the table.






AUDIO REMOTE SWITCH TABLE





Is the resistance OK?

YES -

Go to step 5.

NO -

Repair an open or high resistance in the circuit between the audio unit and the audio remote switch. If the wires are OK, replace the cable reel Service and Repair.�

5. Check for continuity between body ground and audio unit connector F (20P) terminals No. 6 and No. 7 individually.





Is there continuity?

YES -

Repair a short to body ground in the circuit between the audio unit and the audio remote switch. If the wires are OK, replace the cable reel Service and Repair.�

NO -

Replace the audio unit Audio Unit Removal/Installation.�