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CCS-100 < DTC/CIRCUIT DIAGNOSIS > [ICC (FULL SPEED RANGE)] C1A22 BCU CIRCUIT 2. Check ICC brake switch for correct installation. Refer to BR-7, "Inspection and Adjustment" Is the inspection result normal? YES >> GO TO 4. NO >> Adjust ICC brake switch installation. Refer to BR-7, "Inspection and Adjustment" 4. ICC BRAKE SWITCH INSPECTION 1. Disconnect ICC brake switch connector. 2. Check ICC brake switch. Refer to CCS-64, "Component Inspection (ICC Brake Switch)" . Is the inspection result normal? YES >> GO TO 7. NO >> Replace the ICC brake switch. 5. CHECK STOP LAMP FOR ILLUMINATION Check stop lamp illumination. Is the inspection result normal? YES >> GO TO 6. NO >> Check the stop lamp circuit, and repair or replace the malfunctioning parts. 6. CHECK ICC BRAKE HOLD RELAY 1. Turn the ignition switch OFF. 2. Remove ICC brake hold relay. 3. Check for continuity between ICC brake hold relay terminals. Is the inspection result normal? YES >> GO TO 7. NO >> Replace ICC brake hold relay. 7. CHECK HARNESS BETWEEN ECM AND ICC BRAKE HOLD RELAY 1. Disconnect ECM connector. 2. Check for continuity between the ECM harness connector and ICC brake hold relay harness connector. VQ35HR VK50VE 3. Check for continuity between ECM harness connector and ground. VQ35HR VK50VE ICC brake hold relay Continuity Terminal 3 4 Existed 7 6 Not existed ECM ICC brake hold relay Continuity Connector Terminal Connector Terminal M107 122 E91 6 Existed ECM ICC brake hold relay Continuity Connector Terminal Connector Terminal M160 110 E91 6 Existed ECM Ground Continuity Connector Terminal M107 122 Not existed ECM Ground Continuity Connector Terminal M160 110 Not existed |