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

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.

- Check the connectors for poor connections or loose terminals.

- Check for aftermarket accessories plugged info the vehicle's accessory power sockets.

1. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

2. Push the PWR button 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 (Without Navigation)


3. Push the PWR button on, then turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

Does the audio unit turn off?
YES - Operation is normal.

NO - Go to step 4.


4. Remove the audio unit. Audio Unit Removal/Installation (Without Navigation) Disconnect audio unit connector A (24P).
NOTE: Eject all the CDs before disconnecting the audio unit to prevent damaging the CD player's load mechanism.

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

Is there battery voltage?
YES - Check for short to power on the PUR wire.

NO - Substitute a known-good audio unit, Audio Unit Removal/Installation (Without Navigation) and recheck. If the symptom/indication goes away, replace the original audio unit.