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SYMPTOM PROCEDURES SMART WIRING SYSTEM (SWS) USING SWS MONITOR 54C-152 INSPECTION PROCEDURE J-6: The high-beam indicator lamp does not illuminate. CAUTION Whenever the ECU is replaced, ensure that the COMMENTS ON TROUBLE SYMPTOM If the high beam indicator does not illuminate nor- POSSIBLE CAUSES • Malfunction of the combination meter • Malfunction of the ETACS-ECU • Damaged harness wires and connectors DIAGNOSIS PROCEDURE Step 1. Check the headlamps. Q: Are the headlamps in good condition? YES : Go to Step 2. NO : First, repair the headlamps. Refer to ." Step 2. M.U.T.-III CAN bus diagnostics. Q: Is the check result normal? YES : Go to Step 3. NO : Repair the CAN bus line (Refer to GROUP ). Step 3. M.U.T.-III other system diagnosis code. Q: Is the diagnosis code set? YES : Diagnose the combination meter (Refer to GROUP 54A − Troubleshooting NO : Go to Step 4. Step 4. ECU check by using the SWS monitor • Ignition switch: OFF ECU TO BE CHECKED • ETACS ECU OK: "OK" is displayed on the "ETACS ECU" Q: Is the check result normal? YES : Go to Step 5. NO : Refer to Inspection Procedure A-3 INPUT SIGNAL ETACS-ECU DIMMER SWITCH COMBINATION CAN COMMUNICATION LINE CAN COMMUNICATION LINE High-Beam Indicator Lamp Circuit Main Index Group TOC |