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CCS-84 < DTC/CIRCUIT DIAGNOSIS > [ICC (FULL SPEED RANGE)] C1A13 STOP LAMP RELAY YES >> GO TO 20. NO >> GO TO 11. 11. CHECK ICC BRAKE HOLD RELAY 1. Remove ICC brake hold relay. 2. Check for continuity between ICC brake hold relay terminals. Is the inspection result normal? YES >> GO TO 20. NO >> Replace ICC brake hold relay. 12. CHECK HARNESS BETWEEN BRAKE BOOSTER CONTROL UNIT AND ICC BRAKE HOLD RELAY 1. Turn ignition switch OFF. 2. Disconnect brake booster control unit connector and remove ICC brake hold relay. 3. Check for continuity between the brake booster control unit harness connector and ICC brake hold relay 4. Check for continuity between brake booster control unit harness connector and ground. Is the inspection result normal? YES >> GO TO 13. NO >> Repair the harnesses or connectors. 13. CHECK HARNESS BETWEEN ICC BRAKE HOLD RELAY AND GROUND Check for continuity between ICC brake hold relay harness connector and ground. Is the inspection result normal? YES >> GO TO 14. NO >> Repair the harnesses or connectors. 14. CHECK ICC BRAKE HOLD RELAY Check resistance between ICC brake hold relay terminals. Is the inspection result normal? YES >> GO TO 15. NO >> Replace ICC brake hold relay. ICC brake hold relay Continuity Terminal 7 6 Not existed Brake booster control unit ICC brake hold relay Continuity Connector Terminal Connector Terminal B249 47 E91 1 Existed Brake booster control unit Ground Continuity Connector Terminal B249 47 Not existed ICC brake hold relay Ground Continuity Connector Terminal E91 2 Existed ICC brake hold relay Resistance Terminal 1 2 Approx. 75 Ω |