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

Audio System Symptom Troubleshooting - Audio unit power switch will not turn off (without navigation)

Audio unit power switch will not turn off (without navigation)

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's accessory power sockets.

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

2. Push the power switch button 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 Audio Unit Power Switch Will Not Turn Off (Without Navigation).

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 (17P) terminal No. 14 and body ground.





Is there battery voltage?

YES -

Check for short to power on the WHT wire.�

NO -

Substitute a known-good audio unit Audio Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio unit Audio Unit Removal/Installation.�