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EC-398 < DTC/CIRCUIT DIAGNOSIS > [MR18DE] ASCD BRAKE SWITCH • 10 A fuse (No. 2) >> Repair open circuit or short to ground or short to power in harness or connectors. 3. CHECK ASCD CLUTCH SWITCH POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ASCD clutch switch harness connector. 3. Turn ignition switch ON. 4. Check the voltage between ASCD clutch switch harness connector and ground. Is the inspection result normal? YES >> GO TO 5. NO >> GO TO 4. 4. DETECT MALFUNCTIONING PART Check the following. >> Repair open circuit or short to ground or short to power in harness or connectors. 5. CHECK ASCD BRAKE SWITCH POWER SUPPLY CIRCUIT-II 1. Turn ignition switch OFF. 2. Disconnect ASCD brake switch harness connector. 3. Check the continuity between ASCD clutch switch harness connector and ASCD brake switch harness 4. Also check harness for short to ground and short to power. Is the inspection result normal? YES >> GO TO 6. NO >> Repair open circuit or short to ground or short to power in harness or connectors. 6. CHECK ASCD CLUTCH SWITCH EC-399, "Component Inspection (ASCD Clutch Switch)" Is the inspection result normal? YES >> GO TO 9. NO >> Replace ASCD clutch switch. Refer to . 7. 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 brake switch harness connector and ECM harness connector. ASCD clutch switch Ground Voltage Connector Terminal E111 3 Ground Battery voltage ASCD clutch switch ASCD brake switch Continuity Connector Terminal Connector Terminal E111 4 E112 1 Existed ASCD brake switch ECM Continuity Connector Terminal Connector Terminal E112 2 E16 100 Existed |