Symptom Troubleshooting

Symptom Troubleshooting: Navigation display stays on with ignition switch in LOCK (0)

Navigation display stays on with ignition switch in LOCK (0)

NOTE:

- Check for aftermarket accessories that may interfere with the navigation system.

- Check the connectors for poor connections or loose terminals.

- Before troubleshooting, make sure you have anti-theft code for the navigation system.

- After troubleshooting, enter the anti-theft code for the navigation system.

- The vehicle may have been used for a show event. Check for a short jumper harness in-line with the audio-navigation unit connector A. If a jumper harness is present, remove it, and return it to Tech Line.

1. Remove the key from the ignition.

Does the navigation screen stay on?
YES - Go to step 2.

NO - The system is OK at this time.


2. Check for battery voltage on audio-navigation unit connector A (24P) terminal No. 14.

Is there battery voltage?
YES - Troubleshoot a short to battery voltage on the ACC circuit.

NO - Replace the audio-navigation unit. Audio-Navigation Unit Removal/Installation (With Navigation)