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DIAGNOSIS SYSTEM (IPDM E/R) WW-15 < FUNCTION DIAGNOSIS > 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 active test starts successfully. • The auto active test facilitates troubleshooting if any systems controlled by IPDM E/R cannot be operated. Diagnosis chart in auto active test mode ALMIA0113GB Symptom Inspection contents Possible cause Any of the following components do not operate • Parking lamps Perform auto active test. YES BCM signal input circuit NO • Lamp or motor cuit • Harness or connector be- tween IPDM E/R and appli- • IPDM E/R Heater pump does not operate Perform auto active test. YES • Combination meter signal input circuit • CAN communication signal between combination meter • CAN communication signal between ECM and IPDM E/ NO • Heater pump tween IPDM E/R and mag- • IPDM E/R Oil pressure warning lamp does not operate Perform auto active test. YES • Harness or connector be- tween IPDM E/R and oil • Oil pressure switch NO • CAN communication signal between IPDM E/R and • CAN communication signal between BCM and combi- • Combination meter |