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C1808 AIR SUS COMPRS FNCTN SCS-85 < DTC/CIRCUIT DIAGNOSIS > [AIR LEVELIZER CONTROL SYSTEM] C D F G H I J K L M A B SCS N O P Is the inspection result normal? YES >> GO TO 4. NO >> Repair or replace damaged part. 4. CHECK AIR COMPRESSOR RELAY OUTPUT CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect air compressor connector. 3. Check continuity between air compressor relay harness connector and air compressor harness connector. 4. Check continuity between air compressor relay harness connector and ground. Are the inspection results normal? YES >> GO TO 5. NO >> Repair or replace damaged part. 5. CHECK AIR COMPRESSOR GROUND Check continuity between air compressor harness connector and ground. Are the inspection results normal? YES >> GO TO 6. NO >> Repair or replace damaged part. 6. CHECK AIR COMPRESSOR RELAY Check the air compressor relay. Refer to SCS-79, "Component Inspection (Air Compressor Relay)" Is the inspection result normal? YES >> GO TO 7. NO >> Replace the air compressor relay. 7. CHECK AIR COMPRESSOR Check the air compressor. Refer to SCS-79, "Component Inspection (Air Compressor)" Is the inspection result normal? YES >> GO TO 8. NO >> Replace the air compressor. Refer to SCS-95, "Removal and Installation" 8. CHECK INTERMITTENT INCIDENT GI-40, "Intermittent Incident" . Is the inspection result normal? YES >> 1. Perform “STANDARD VEHICLE HEIGHT SETTING”. Refer to . 2. If DTC is detected, replace the air levelizer control module. Refer to . Air compressor relay — Voltage Connector Terminal E116 5 Ground Battery voltage Air compressor relay Air compressor Continuity Connector Terminal Connector Terminal E116 3 C12 1 Existed Air compressor relay — Continuity Connector Terminal E116 3 Ground Not existed Air compressor — Continuity Connector Terminal C12 2 Ground Existed |