Diesel Data: Automotive Repair

Symptom Troubleshooting




Navigation System Symptom Troubleshooting - GPS icon is white or not shown

GPS icon is white or not shown

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- With good reception, the icon is normally green.
- Make sure the GPS antenna is plugged in.
- Check for any aftermarket accessories or metallic window tinting that may be interfering with the GPS signal.
- Make sure the vehicle is parked outside, away from buildings.
- Refer to GPS Information for real-time satellite reception display.

1. Check for aftermarket metallic window tint on the rear window and electronic aftermarket accessories (possibly hidden) mounted near the GPS antenna or the audio-navigation unit.

Is there aftermarket metallic window tint or electronic accessories?

YES -

Remove tint or the accessories, and recheck.�

NO -

Go to step 2.

2. Turn the ignition switch to ON (II).

3. Go into the System Diagnostic Mode, and use the System Links diagnosis to check the GPS antenna. Navigation System Diagnostic Mode

Is the GPS Ant icon red?

YES -

Check for a kinked, crushed, or disconnected GPS antenna wire. If icon is still red, replace the GPS antenna Service and Repair.�

NO -

Check that nothing is blocking the GPS antenna located under the package shelf and recheck. If OK, substitute a known-good GPS antenna Service and Repair, and recheck. If the symptom goes away, replace the original GPS antenna Service and Repair. If the symptom is still present, replace the audio-navigation unit.