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Audio-Navigation Unit Power Switch Will Not Turn Off (With Navigation)




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

Audio-Navigation unit power switch will not turn off (with navigation)

NOTE:

- Check the vehicle battery condition first Battery Test.
- Check for aftermarket accessories plugged into the vehicle accessory power sockets.
- Check the connectors for poor connections or loose terminals.
- Eject all the discs before disconnecting the audio-navigation unit to prevent damaging the CD/DVD player's load mechanism.
- Before troubleshooting, make sure you have anti-theft codes for the audio-navigation unit.
- After troubleshooting, enter the anti-theft codes for the audio-navigation unit.

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-navigation unit turns off.

Does the audio-navigation unit turn off?

YES -

Operation is normal.�

NO -

Go to step 3.

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

4. Remove the audio-navigation unit Audio-Navigation Unit Removal/Installation.

5. Measure the voltage between audio-navigation 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-navigation unit Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.�