Symptom Troubleshooting

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

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

NOTE:

- Check the vehicle battery condition first 12 Volt 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. Press the power 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.

3. Turn the ignition switch to ON (II), press the power button on, then turn the ignition switch to LOCK (0).

Does the audio unit turn off?

YES -

Operation is normal.

NO -

Go to step 4.

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

5. Remove the audio unit Audio Unit Removal / Installation, and disconnect audio unit connector A (24P).

NOTE: Eject all the discs before removing the audio unit to prevent damaging the CD player's load mechanism.

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





Is there battery voltage?

YES -

Check for short to power in the 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.