INSPECTION PROCEDURE 4: Trip Information Display cannot be Displayed or the Display is not Normal.







COMMENTS ON TROUBLE SYMPTOM


The CAN bus line wiring harness, connector(s), or the engine-ECU may be defective. But it is no problem that "-" is displayed when the average fuel consumption display or the possible cruising distance display is reset.

POSSIBLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III CAN bus diagnostics


Use the M.U.T.-III to diagnose the CAN bus lines.

Q. Is the check result satisfactory?

Go to Step 2.
Repair the CAN bus lines (Refer to GROUP 54C, Diagnosis - Can Bus Diagnostic Table ). After diagnosing the CAN bus lines, go to Step 4.

STEP 2. M.U.T.-III other system diagnosis code


Check whether the DIESEL system-related diagnosis code is set.

Q. Is the diagnosis code set?

Refer to GROUP13A, Troubleshooting and then go to Step 3.
Replace engine-ECU and then go to Step 3.

STEP 3. Connector check: Fuel gauge unit connector F-09



Q. Is the check result normal?

Go to Step 4.

Repair the defective connector.

STEP 4. Check the fuel gauge unit.


Check the fuel gauge unit.

Q. Is the check result normal?

Go to Step 5.
Replace the fuel gauge unit.

STEP 5. Retest the system


Check if the driving information displays normally.

Q. Is the check result satisfactory?

The procedure is complete.
Go to Step 1.