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Navigation Stays on With Ignition Switch Off

Navigation stays on with ignition switch off

NOTE:
- Check for aftermarket accessories that may interfere with the navigation system.
- Always 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 "C" connector. If a jumper harness is present, remove it and return it to Tech Line.

1. Take the key out of the ignition switch.

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 C (8P) terminal No. 2.

Is there battery voltage?

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

NO - Replace the navigation unit.