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ICC BRAKE SWITCH EC-727 C D E F G H I J K L M A EC 6. DETECT MALFUNCTIONING PART Check the following. ● Fuse block (J/B) No. 1 connector M1 ● 10A fuse ● Harness connectors M15, E205 ● Harness for open or short between ICC brake hold relay and fuse >> Repair open circuit or short to ground or short to power in harness or connectors. 7. CHECK ICC BRAKE SWITCH POWER SUPPLY CIRCUIT-III 1. Turn ignition switch OFF. 2. Check harness continuity between ICC brake hold relay terminal 3 and ICC brake switch terminal 1. 3. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 9. NG >> GO TO 8. 8. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors E205, M15 ● Harness connectors M61, M401 ● Harness for open or short between ICC brake hold relay and ICC brake switch >> Repair open circuit or short to ground or short to power in harness or connectors. 9. CHECK ICC BRAKE HOLD RELAY Refer to EC-730, "Component Inspection" OK >> GO TO 18. NG >> Replace ICC brake fold relay. 10. CHECK ICC BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-II 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check harness continuity between ICC brake switch terminal 2 and ECM terminal 108. 4. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 12. NG >> GO TO 11. Continuity should exist. Continuity should exist. |