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POWER SUPPLY AND GROUND CIRCUIT SCS-89 < DTC/CIRCUIT DIAGNOSIS > [AIR LEVELIZER CONTROL SYSTEM] C D F G H I J K L M A B SCS N O P POWER SUPPLY AND GROUND CIRCUIT Diagnosis Procedure INFOID:0000000006256088 1. CHECK AIR LEVELIZER CONTROL MODULE IGNITION POWER SUPPLY CIRCUIT 1. Disconnect air levelizer control module connector. 2. Turn ignition switch ON. CAUTION: Never start the engine. 3. Check voltage between the air levelizer control module harness connector and ground. Is the inspection result normal? YES >> INSPECTION END NO >> GO TO 2. 2. CHECK HARNESS BETWEEN AIR LEVELIZER CONTROL MODULE AND IPDM E/R 1. Turn ignition switch OFF. 2. Disconnect IPDM E/R connector. 3. Check continuity between air levelizer control module harness connector and IPDM E/R harness connec- 4. Check continuity between air levelizer control module harness connector ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace damaged parts. 3. CHECK IPDM E/R Check the IPDM E/R. Refer to PCS-10, "Diagnosis Description" Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-40, "Intermittent Incident" . NO >> Repair or replace damaged parts. Air levelizer control module — Voltage Connector Terminal B84 9 Ground 10 – 16 V Air levelizer control module IPDM E/R Continuity Connector Terminal Connector Terminal B84 9 E10 5 Existed Air levelizer control module — Continuity Connector Terminal B84 9 Ground Not existed |