Symptom Troubleshooting

Symptom Troubleshooting: Audio unit power switch will not turn off

Audio unit power switch will not turn off (with navigation)

NOTE:

- Check the vehicle battery condition first.

- Check the connectors for poor connections or loose terminals.

- Check for aftermarket accessories plugged into the vehicle's accessory power sockets.

1. With the ignition switch ON (II), push the power switch off or turn the ignition switch OFF to see if the audio-navigation unit turns off.

Is the navigation unit OFF?
YES - Operation is normal at this time.

NO - Go to step 2.


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

3. Remove the audio-navigation unit. Audio-Navigation Unit Removal/Installation (With Navigation)
NOTE: Eject all the CDs before removing the audio-navigation unit to prevent damaging the CD player's loading mechanism.

4. Measure the voltage between audio-navigation unit connector A (24P) terminal No. 14 and body ground.

Is there battery voltage?
YES - Check for short to power on ORN wire.

NO - Replace the audio-navigation unit. Audio-Navigation Unit Removal/Installation (With Navigation)