Audio Remote Switch Does Not Work Properly

Symptom Troubleshooting: Audio remote switch does not work properly

Audio remote switch does not work properly

NOTE:

- Check the vehicle battery condition first. Testing and Inspection

- Check the connectors for poor connections or loose terminals.

1. Turn the ignition switch to ON (II).

2. Turn on the audio unit, and check the audio remote switch operation (volume up, volume down, CH (UP), CH (DOWN), MODE).

Is the audio unit operation OK?
YES - Intermittent failure, the audio remote switch is OK at this time. Check for loose connections.

NO - Go to step 3.


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

Is the audio remote switch OK?
YES - Go to step 4.

NO - Replace the audio remote switch. Audio Remote Switch Replacement (With ELS Audio System)


4. Turn the ignition switch to LOCK (0).

5. Remove the audio unit:
- With ELS audio system Audio Unit Removal/Installation (With ELS Audio System)

- With premium audio system Audio Unit Removal/Installation (With Premium Audio System)

6. Disconnect audio unit connector A (24P).
NOTE: Eject all the discs before disconnecting the audio unit to prevent damaging the CD/DVD player's load mechanism.

7. Reconnect the audio remote switch, and measure the resistance between audio 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 8.

NO - Repair a short 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






8. Disconnect the audio remote switch 12P connector.

9. Check for continuity between body ground and audio 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 unit and the audio remote switch. If the wires are OK, replace the cable reel. Service and Repair

NO - Replace the audio unit:

- With ELS audio system Audio Unit Removal/Installation (With ELS Audio System)

- With premium audio system Audio Unit Removal/Installation (With Premium Audio System)