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, get the navigation system anti-theft codes.

- After troubleshooting, re-enter the anti-theft code, and re-initialize 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 a short to power on navigation unit connector C (8P) terminal No. 2.

Is there a short?
YES - Troubleshoot the ACC circuit.

NO - Replace the navigation unit. Service and Repair