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 codes for the audio system and the navigation system.
- After troubleshooting, enter the anti-theft codes for the audio system and the navigation system.
- The vehicle may have been used for a show event. Check for a short jumper harness in-line with the navigation unit connector C. 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 navigation unit connector A (8P) terminal No. 2.

Is there battery voltage?

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

NO - Replace the navigation unit.