Audio Unit Power Switch Will Not Turn Off (With Premium Audio)

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

Audio unit power switch will not turn off (with premium audio)

NOTE:

- Check the vehicle battery condition first Battery Test.
- Check the connectors for poor connections or loose terminals.
- Check for aftermarket accessories plugged into the vehicle's accessory power sockets.

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

2. Push the VOLUME/POWER knob off to see if the audio unit turns off.

Does the audio unit turn off?

YES -

Go to step 3.

NO -

Replace the audio unit Audio Unit Removal/Installation.�

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

Does the audio unit turn off?

YES -

Operation is normal.�

NO -

Go to step 4.

4. 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 -

Substitute a known-good audio switch panel Audio Switch Panel Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio switch panel Audio Switch Panel Removal/Installation. If the symptom/indication is still present, replace the audio unit Audio Unit Removal/Installation.�