Audio Remote Switch Does Not Work Properly (Without Navigation)
Audio System 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 Battery Test.
- Check the connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have anti-theft codes for the audio unit.
- After troubleshooting, enter the anti-theft codes for the audio unit.
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 -
Operation is normal.�
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 Service and Repair.�
4. Turn the ignition switch to LOCK (0).
5. Remove the audio unit Audio Unit Removal/Installation, and disconnect audio unit connector B (32P).
NOTE: Eject all the discs before removing the audio unit to prevent damaging the CD player's load mechanism.
6. Reconnect the audio remote switch, and measure the resistance between audio unit connector B (32P) terminals No. 3 and No. 19 as specified in the table.
AUDIO REMOTE SWITCH TABLE
Is the resistance OK?
YES -
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.�
NO -
Go to step 7.
7. Disconnect the cable reel subharness 20P connector from the cable reel.
8. Check for continuity between body ground and audio unit connector B (32P) terminals No. 3 and No. 19 individually.
Is there continuity?
YES -
Go to step 9.
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.�
9. Disconnect the dashboard wire harness 20P connector from the cable reel.
10. Check for continuity between body ground and audio unit connector B (32P) terminals No. 3 and No. 19 individually.
Is there continuity?
YES -
Repair a short to body ground in the wire(s) between the audio unit and the cable reel.�
NO -
Replace the cable reel Service and Repair.�