DIAGNOSIS

STEP 1. Check fuel gauge. Q: Is the fuel gauge functioning? YES: Go to Step 3. NO: Go to Step 2.

STEP 2. Check for short circuit to ground between fuel level sensor connector E-30 (terminal No. 2) and PCM connector C-90 (terminal No. 60).

NOTE: Check harness after checking intermediate connectors C-85, and E-44. If intermediate connectors are damaged, repair or replace them. Refer to GROUP 00E, Harness Connector Inspection . Then go to Step 6. Q: Is the harness wire in good condition? YES: Refer to GROUP 54A, Combination Meter . NO: Repair it. Then go to Step 6.

STEP 3. Check connector C-90 at PCM for damage.

Q: Is the connector in good condition? YES: Go to Step 4. NO: Repair or replace it. Refer to GROUP 00E, Harness Connector Inspection . Then go to Step 6.

STEP 4. Check for open circuit or harness damage between fuel gauge unit connector E-30 (terminal No. 2) and PCM connector C-90 (terminal No. 60).

NOTE: Check harness after checking intermediate connectors C-85, and E-44. If intermediate connectors are damaged, repair or replace them. Refer to GROUP 00E, Harness Connector Inspection . Then go to Step 6. Q: Is the harness wire in good condition? YES: Go to Step 5. NO: Repair it. Then go to Step 6.

STEP 5. Retest the system. (1) Carry out a test drive with the drive cycle pattern. Refer to Diagnostic Function - OBD-II Drive Cycle - Procedure 6 - Other Monitor . (2) Check the diagnostic trouble code (DTC). Q: Is DTC P0461 set? YES: Replace the PCM. Then go to Step 6. NO: It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use Troubleshooting/Inspection Service Points .