Trip Computer-No Distance

Trip computer-no distance

Diagnostic Test: Car Status

NOTE:
- Check the vehicle battery condition first.
- Always check for and resolve all CAN DTCs before troubleshooting the navigation system.
- Always check the connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have the anti-theft codes for the audio system and the navigation system.
- After troubleshooting, enter the anti-theft codes for the audio system and the navigation system.
- Verify that the correct navigation unit is installed for this model. Go into the Diagnostic mode and use "Version".
- 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.

1. Go into the diagnostic mode and use "Car Status" diagnostic to check for a vehicle speed pulse (VSP).

Is there a VSP when the vehicle is moving?

YES - Check the CAN bus wires for an open or short to ground between navigation unit connector A (20P) No. 8 and No. 18 terminals and PCM connector E (31P) No. 15 and No. 26 terminals. If OK, replace the navigation unit.

NO - Check the VSP wire for an open or short to ground between navigation unit connector C (8P) terminal No. 6 and PCM connector E (31P) No. 11 terminal.