Audio Remote Switch Does Not Work Properly (With Navigation)

Audio System Symptom Troubleshooting - Audio remote switch does not work properly

Audio remote switch does not work properly (with navigation)

NOTE:

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

1. Check the audio-navigation unit operation.

Is the audio unit operation OK?

YES -

Go to step 2.

NO -

Replace the audio-navigation unit Audio-Navigation Unit Removal/Installation (With Navigation).�

2. Do the Audio Remote Switch Test Audio Remote Switch Test.

Is the audio remote switch OK?

YES -

Go to step 3.

NO -

Replace the audio remote switch Service and Repair.�

3. Remove the audio-navigation unit Audio-Navigation Unit Removal/Installation (With Navigation).

4. Measure the resistance between audio-navigation unit connector A (24P) terminals No. 5 and No. 16 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-navigation 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-navigation unit connector A (24P) terminals No. 5 and No. 16 individually.





Is there continuity?

YES -

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

NO -

Replace the audio-navigation unit Audio-Navigation Unit Removal/Installation (With Navigation).�