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WINDSHIELD WIPER AND WASHER EXTERIOR 51-36 Inspection Procedure 1: The windshield wipers do not work at all. CAUTION Whenever the ECU is replaced, ensure that the input and output signal circuits are normal. AC903741 Windshield Wiper Power Supply Circuit IGNITION WIPER SPEED WINDSHIELD CIRCUIT ETACS-ECU J/B SIDE AB COLUMN COLUMN-ECU Wire colour code COMMENTS ON TROUBLE SYMPTOM PROBABLE CAUSES • Malfunction of the windshield wiper motor • Malfunction of the column switch • Malfunction of the ETACS-ECU • Damaged harness wires and connectors DIAGNOSIS PROCEDURE STEP 1. M.U.T.-III diagnosis code. Q: Is the diagnosis code set? YES : Refer to GROUP 54A, ETACS Diagnosis Code Chart . NO : Go to Step 2. |