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Symptom Troubleshooting

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NOTE:
- Inspect the DVD for dirt or damage.
- Check the vehicle battery condition first.
- Always make sure that the correct DVD color and version are installed.
- Check on-line for service bulletins or other service information for the navigation system.
- For problems with the rearview camera, do the rearview camera does not come on or work properly troubleshooting.
- Check the connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have the anti-theft code for the navigation system.

1. Check the No. 23 (10 A) fuse in the under-hood fuse/relay box and No. 34 (7.5 A) fuse in the under-dash fuse/relay box, and reinstall the fuse if it is OK.

Is the fuse OK?

YES - Go to step 2.

NO - Replace the fuse and recheck.

2. Turn the ignition switch to ON (II).
3. Operate the radio, and listen to the audio.

Can you hear the audio?

YES - Go to step 4.

NO - Refer to audio system troubleshooting. Index, Symptom Troubleshooting

4. Turn the ignition switch to ON (II).
5. Eject the navigation DVD.

Is the DVD the correct color (turquoise)?

YES - Go to step 6.

NO - Replace the DVD.

6. Inspect the DVD read surface for damage or dirt.

Is it damaged or dirty?

YES - Clean the DVD, or replace it if needed. Reinstall the DVD and recheck.

NO - Go to step 7.

7. Measure the voltage between navigation unit connector A (17P) No. 14 terminal and body ground, and between No. 17 terminal and body ground, and navigation unit connector C (12P) No. 1 terminal and body ground.









Is there battery voltage on both terminals?

YES - Go to step 8.

NO - Repair open in the wire between the under-hood fuse/relay box and the navigation unit.

8. Measure the voltage between the navigation unit connector A (17P) No. 9 terminal and body ground, and between navigation unit connector C (12P) No. 4 terminal and body ground.






Is there less than 0.2 V?

YES - Replace the navigation unit.

NO - Repair open or high resistance in the wire between the navigation unit and body ground (G502 and G504).