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ETACS CHASSIS ELECTRICAL 54A-574 Inspection Procedure 11: The column switch signal is not received. CAUTION Before replacing the ECU, ensure that the com- PROBABLE CAUSES • Malfunction of column switch • Faulty LIN bus line DIAGNOSIS PROCEDURE STEP 1. M.U.T.-III diagnosis code Q: Is the diagnosis code set? YES : Refer to Diagnosis code chart . NO : Go to Step 2. STEP 2. Column switch check • Check the continuity for wiper switch. Refer to . • Check the continuity for column switch (switch body part). Refer to . Q: Is the check result normal? YES : Go to Step 3. NO : Replace the wiper switch or column switch STEP 3. Check of the troubles Q: Is the check result normal? YES : The trouble can be an intermittent malfunction (Refer to GROUP 00 − How to use Troubleshooting/inspection Service − How to Cope with Intermittent Malfunction ). NO : Replace the lighting switch. Inspection Procedure 12: The hood latch switch signal is not received. CAUTION Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communica- Hood Switch Input Circuit ETACS- HOOD Wire colour code |