Symptom Troubleshooting

Symptom Troubleshooting: Audio unit power switch will not turn off

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

NOTE:

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

- Check the connectors for poor connections or loose terminals.

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

2. Push the power switch OFF or turn the ignition switch to LOCK (0) to see if the audio-navigation unit turns OFF.

Is the audio-navigation unit OFF?
YES - Operation is normal.

NO - Go to step 2.


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

4. Disconnect audio-navigation unit connector A (24P).
NOTE: Eject all the discs before removing the audio-navigation unit to prevent damaging the CD player's load mechanism.

5. 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 YEL/RED wire.

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