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EC-406 < COMPONENT DIAGNOSIS > [VQ35HR] P1572 ASCD BRAKE SWITCH YES >> GO TO 12. NO >> Repair open circuit or short to ground or short to power in harness or connectors. 12. CHECK ASCD BRAKE SWITCH EC-407, "Component Inspection (ASCD Brake Switch)" . Is the inspection result normal? YES >> GO TO 21. NO >> Replace ASCD brake switch. 13. CHECK ASCD BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check the continuity between ASCD clutch switch harness connector and ECM harness connector. 4. Also check harness for short to ground and short to power. Is the inspection result normal? YES >> GO TO 15. NO >> GO TO 14. 14. DETECT MALFUNCTIONING PART Check the following. >> Repair open circuit or short to ground or short to power in harness or connectors. 15. CHECK ASCD CLUTCH SWITCH EC-408, "Component Inspection (ASCD Clutch Switch)" Is the inspection result normal? YES >> GO TO 21. NO >> Replace ASCD clutch switch. 16. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect stop lamp switch harness connector. 3. Check the voltage between stop lamp switch harness connector and ground. Is the inspection result normal? YES >> GO TO 18. NO >> GO TO 17. 17. DETECT MALFUNCTIONING PART Check the following. >> Repair open circuit or short to ground or short to power in harness or connectors. ASCD clutch switch ECM Continuity Connector Terminal Connector Terminal E108 1 M107 126 Existed Stop lamp switch Ground Voltage Connector Terminal E110 1 Ground Battery voltage |