Symptom Troubleshooting

Symptom Troubleshooting: Audio unit power switch will not turn off

Audio unit power switch will not turn off

NOTE:

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

- Check the vehicle battery condition first.

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 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. Service and Repair Disconnect the audio unit 20P connector.
NOTE: Eject the disc before removing the audio unit to prevent damaging the CD player's load mechanism.

5. Measure the voltage between audio unit 20P connector terminal No. 2 and body ground.

Is there battery voltage?
YES - Check for short to power on the WHT/RED wire.

NO - Replace the audio unit. Service and Repair