Symptom Troubleshooting

Symptom Troubleshooting: Audio remote switch does not work properly

Audio remote switch does not work properly (without navigation)

NOTE:

- Check the vehicle battery condition first.

- Check the connectors for poor connections or loose terminals.

1. Check the audio unit operation.

Is the audio unit operation OK?
YES - Go to step 2.

NO - Replace the audio unit. Audio Unit Removal/Installation (Without Navigation)


2. Test the audio remote switch. Audio Remote Switch Test/Replacement (EX and SC Models)

Is the audio remote switch OK?
YES - Go to step 3.

NO - Replace the audio remote switch.


3. Remove the audio unit. Audio Unit Removal/Installation (Without Navigation)

4. Measure the resistance between audio unit connector A (20P) terminals No. 3 and No. 14 as specified in the table.

AUDIO REMOTE SWITCH TABLE





Is the resistance OK?
YES - Go to step 5.

NO - Repair 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 audio unit connector A (20P) terminals No. 3 and No. 14 and body ground individually.

Is there continuity?
YES - Repair short to body ground in the circuit between 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 (Without Navigation)