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DIAGNOSIS SYSTEM (IPDM E/R) WW-21 < SYSTEM DESCRIPTION > C D E F G H I J K M A B WW N O P Concept of auto active test • IPDM E/R starts the auto active test with the door switch signals transmitted by BCM via CAN communica- tion. Therefore, the CAN communication line between IPDM E/R and BCM is considered normal if the auto • The auto active test facilitates troubleshooting if any systems controlled by IPDM E/R cannot be operated. Diagnosis chart in auto active test JMMIA0836GB Symptom Inspection contents Possible cause Any of the following components do not • Parking lamp Perform auto active test. YES BCM signal input circuit NO • Lamp or motor R and applicable system • IPDM E/R A/C compressor does not operate Perform auto active test. YES • Combination meter signal input circuit Combination meter and ECM • CAN communication signal between ECM and IPDM E/R NO • Magnet clutch R and magnet clutch • IPDM E/R Oil pressure warning lamp does not operate Perform auto active test. YES • Harness or connector between IPDM E/ R and oil pressure switch • Oil pressure switch NO • CAN communication signal between IPDM E/R and BCM • CAN communication signal between BCM and Combination meter • Combination meter |