Audio Remote Switch Does Not Work Properly (With Navigation)
Audio System 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. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
2. Turn on the audio-navigation unit, and check the audio remote switch operation (volume up, volume down, CH (UP), CH (DOWN), MODE).
Is the audio system operation OK?
YES -
Intermittent failure, the audio remote switch is OK at this time. Check for loose connections.�
NO -
Go to step 3.
3. Do the Audio Remote Switch Test Audio Remote Switch Test.
Is the audio remote switch OK?
YES -
Go to step 4.
NO -
Replace the audio remote, HFL-navigation voice control switch Overhaul.�
4. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
5. Remove the audio-navigation unit Audio-Navigation Unit Removal/Installation (With Navigation).
6. Disconnect audio-navigation unit connector A (24P).
NOTE: Eject all the CDs before disconnecting the audio-navigation unit to prevent damaging the CD player's load mechanism.
7. Reconnect the audio remote switch, and 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 8.
NO -
Repair a short 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.�
8. Disconnect the audio remote, HFL-navigation voice control switch 12P connector.
9. 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).�