Audio Remote Switch Does Not Work Properly (With Navigation)

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)