Audio Unit Power Switch Will Not Turn Off

Audio System Symptom Troubleshooting - Audio unit power switch will not turn off

Audio unit power switch will not turn off

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or loose terminals.
- Check for aftermarket accessories plugged into the vehicle accessory power sockets.

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.

Does the audio unit turn OFF?

YES -

Operation is normal.�

NO -

Go to step 3.

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

4. Remove the audio unit Audio Unit Removal/Installation.

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





Is there battery voltage?

YES -

Check for short to power on the PUR wire.�

NO -

Audio unit is faulty, replace the audio unit Audio Unit Removal/Installation.�