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BRAKE SWITCH EC-329 [YD (WITH EURO-OBD)] C D E F G H I J K L M A EC 9. CHECK ASCD BRAKE SWITCH POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ASCD brake switch harness connector. 3. Turn ignition switch ON. 4. Check voltage between ASCD brake switch terminal 1 (LHD OK or NG OK >> GO TO 11. NG >> GO TO 10. 10. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors F106, M78 ● Harness for open or short between ASCD brake switch and ECM relay ● Harness for open or short between ASCD brake switch and ECM >> Repair open circuit or short to ground or short to power in harness or connectors. 11. CHECK ASCD BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Check harness continuity between ASCD brake switch terminal 2 (LHD models) or 1 (RHD models) and 3. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 12. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 12. CHECK ASCD BRAKE SWITCH Refer to EC-330, "Component Inspection" . OK or NG OK >> GO TO 16. NG >> Replace ASCD brake switch. MBIB0235E Voltage: Battery voltage MBIB1082E Continuity should exist. |