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COMBINATION METER CHASSIS ELECTRICAL 54A-37 CAUTION If the ignition switch is turned to the ON position POSSIBLE CAUSES • Damaged harness wires and connectors • Malfunction of the electric power steering-ECU • Malfunction of the combination meter DIAGNOSIS PROCEDURE STEP 1. M.U.T.-III CAN bus diagnostics Q: Is the check result normal? YES : Go to Step 2. NO : Repair the CAN bus lines (Refer to GROUP ). Then go to Step 6. STEP 2. M.U.T.-III other system diagnosis code Q: Is the diagnosis code set? YES : Diagnose the electric power steering (Refer to GROUP 37, Troubleshooting ). NO : Go to Step 3. STEP 3. M.U.T.-III other system diagnosis code Engine • U1106: Electric power steering time-out diagnosis code Q: Is the diagnosis code set? YES : Go to Step 4. NO : Go to Step 5. STEP 4. Check whether the diagnosis code is → ON (3) Check if the diagnosis code is set. Q: Is the check result normal? YES : A poor connection, open circuit or other intermittent malfunction is present in the − How to Cope with Intermittent Malfunctions ). NO : Replace the electric power steering-ECU, STEP 5. Check whether the diagnosis code is → ON (3) Check if the diagnosis code is set. Q: Is the check result normal? YES : A poor connection, open circuit or other intermittent malfunction is present in the − How to Cope with Intermittent Malfunctions ). NO : After the combination meter is replaced, and STEP 6. Check whether the diagnosis code is → ON (3) Check if the diagnosis code is set. Q: Is the check result normal? YES : The procedure is complete. NO : Return to Step 1. Main Index Group TOC |