Audio Unit Power Switch Will Not Turn Off (Without Navigation)

Audio unit power switch will not turn off (without 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 OFF to see if the audio unit turns OFF.

Is the audio unit OFF?

YES - Operation is normal.

NO - Go to step 3.

3. Turn the ignition switch to LOCK (0).
4. Remove the audio unit.
5. Measure the voltage between audio unit connector A (17P) terminal No. 14 and body ground.






Is there voltage?

YES - Check for short to power on PUR wire.

NO - Replace the audio unit.