Audio Remote Switch Does Not Work Properly (Without Navigation)
Audio System Symptom Troubleshooting - Audio remote switch does not work properly (without navigation)
Audio remote switch does not work properly (without navigation)
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 +, CH -, 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. Turn the ignition switch to LOCK (0).
4. Test the audio remote switch Audio Remote Switch Test.
Is the audio remote switch OK?
YES -
Go to step 5.
NO -
Replace the audio remote switch Service and Repair, and recheck.�
5. Remove the audio unit Audio Unit Removal/Installation.
6. Disconnect audio unit connector B (20P).
NOTE: Eject all the discs before removing the audio unit to prevent damaging the CD player's load mechanism.
7. Reconnect the audio remote switch, and measure the resistance between audio unit connector B (20P) terminals No. 6 and No. 7 as specified in the table.
AUDIO REMOTE SWITCH TABLE
Is the resistance OK?
YES -
Go to step 8.
NO -
Repair a short, an open, or high resistance in the wire(s) between the audio unit and the audio remote switch. If the wires are OK, replace the cable reel Service and Repair.�
8. Check for continuity between body ground and audio unit connector B (20P) terminals No. 6 and No. 7 individually.
Is there continuity?
YES -
Repair a short to body ground in the wire(s) between the audio unit and the audio remote switch. If the wires are OK, replace the cable reel Service and Repair.�
NO -
Substitute a known-good audio unit Audio Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio unit Audio Unit Removal/Installation.�