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DTC P1572 ICC BRAKE SWITCH EC-1065 < SERVICE INFORMATION > [VK45DE] C D E F G H I J K L M A EC N P O 4. Check voltage between ICC brake switch terminal 1 and ground OK or NG OK >> GO TO 7. NG >> GO TO 6. 6. DETECT MALFUNCTIONING PART Check the following. >> Repair open circuit or short to ground or short to power in harness or connectors. 7. CHECK ICC BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-I 1. Turn ignition switch OFF. 2. Check harness continuity between ICC brake hold relay terminal 3 and ICC brake switch terminal 2. 3. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 8. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 8. CHECK ICC BRAKE SWITCH EC-1067, "Component Inspection" . OK or NG OK >> GO TO 17. NG >> Replace ICC brake switch. 9. 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 hold relay terminal 4 and ECM terminal 108. 4. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 11. NG >> GO TO 10. 10. DETECT MALFUNCTIONING PART Check the following. >> Repair open circuit or short to ground or short to power in harness or connectors. 11. CHECK ICC BRAKE HOLD RELAY Voltage: Battery voltage PBIB0857E Continuity should exist. Continuity should exist. |