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COMBINATION METER CHASSIS ELECTRICAL 54A-41 STEP 5. Check whether the diagnosis code is → ON (3) Check if the diagnosis code is set. Q: Is the check result satisfactory? YES : A poor connection, open circuit or other intermittent malfunction is present in the − How to Cope with Intermittent Malfunctions ). NO : Replace the combination meter, and then go STEP 6. Check whether the diagnosis code is → ON (3) Check if the diagnosis code is set. Q: Is the check result satisfactory? YES : The procedure is complete. NO : Go to Step 1. Code No.U1206 Flag Invalid CAUTION If diagnosis code U1206 is set in the combination TROUBLE JUDGMENT When the ignition switch is in the LOCK (OFF) posi- COMMENTS ON TROUBLE SYMPTOM The M.U.T.-III shows a diagnosis code status as active. • The door switch system of the ETACS-ECU, the ETACS-ECU, or the combination meter may be The M.U.T.-III shows a diagnosis code status as stored. • Carry out diagnosis with particular emphasis on connector(s) or wiring harness between the ). POSSIBLE CAUSES • Damaged harness wires and connectors • Malfunction of ETACS-ECU • Malfunction of combination meter DIAGNOSIS PROCEDURE STEP 1. M.U.T.-III CAN bus diagnostics Q: Is the check result satisfactory? YES : Go to Step 2. NO : Repair the CAN bus lines (Refer to GROUP ). Repair the CAN bus line and go to Step 4. STEP 2. M.U.T.-III other system diagnosis code Q: Is the diagnosis code set? YES : Diagnose the CAN system (Refer to GROUP 54B or 54C, Troubleshooting NO : Go to Step 3. STEP 3. Replace the ETACS-ECU, and check Q: Is the check result satisfactory? YES : Go to Step 4. NO : Replace the combination meter, and then go Main Index Group TOC |