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SYMPTOM PROCEDURES SMART WIRING SYSTEM (SWS) USING SWS MONITOR 54C-31 COMMENTS ON TROUBLE SYMPTOM The power supply circuit to the column switch (col- TROUBLESHOOTING HINTS • Malfunction of the ETACS-ECU • Malfunction of the column switch • Damaged harness wires and connectors DIAGNOSIS PROCEDURE Step 1. ECU check by using the SWS monitor. • Ignition switch: OFF ECUS TO BE CHECKED • ETACS ECU OK: "OK" is displayed on the "ETACS ECU" Q: Is the check result normal? YES : Go to Step 2. NO : Refer to Inspection Procedure A-3 Step 2. Connector check: C-206 column switch Q: Is the check result normal? YES : Go to Step 3. NO : Repair the defective connector. AC310479 AD Connector: C-206 <LHD> Harness side AC310481AD Connector: C-206 <RHD> Harness side |