Symptom Troubleshooting

Symptom Troubleshooting: Navigation display stays on with the ignition switch in LOCK (0), or in the OFF mode

Navigation display stays on with the ignition switch in LOCK (0), or in the OFF mode

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 navigation system.

- After troubleshooting, enter the anti-theft codes 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. Mare sure turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

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

NO - The system is OK at this time.


2. Measure the voltage between body ground and 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)