Trip Computer-No Fuel Information

Trip computer-no fuel information

NOTE:
- 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, get the navigation system anti-theft codes.
- After troubleshooting, enter the navigation system anti-theft codes.
- If the Previous button on the Trip Computer screen is not active, make sure to answer OK to the Disclaimer screen.
- Verify that the correct navigation unit is installed for this model. Go into the Diagnostic Menu and use "Version".

Do the "Navi System Link" test to check the communication line between the ECM/PCM (FI-ECU) and the navigation unit.

1. Go into the Diagnostic Menu and use "Trip Computer" test under Unit Check with the engine running.

Are the values greater than zero with the engine running?

YES - The system is OK.

NO - Go to step 2.

2. Check the CAN system for DTCs using the HDS. If there are no DTCs precent, substitute a known-good navigation unit and recheck.

Are the values greater than zero?

YES - Replace the original navigation unit.

NO - Replace the ECM/PCM.