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B20D4 TAIL LAMP LH POWER SUPPLY CIRCUIT EXL-249 < DTC/CIRCUIT DIAGNOSIS > [LED HEADLAMP] C D E F G H I J K M A B EXL N O P B20D4 TAIL LAMP LH POWER SUPPLY CIRCUIT DTC Logic INFOID:0000000011280885 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. CHECK SELF DIAGNOSTIC RESULT With CONSULT. 1. Turn ignition switch ON. 2. Perform “Self Diagnostic Result”. YES >> Proceed to diagnosis procedure. Refer to EXL-249, "Diagnosis Procedure" NO >> Inspection End. Diagnosis Procedure INFOID:0000000011280886 1. CHECK TAIL LAMP SHORT CIRCUIT TO GROUND 1. Disconnect rear combination lamp (LH), license plate lamps, back up lamp connectors and IPDM E/R connector. 2. Check continuity between IPDM E/R harness connector and ground. Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace harness. 2. CHECK TAIL LAMP SHORT CIRCUIT TO GROUND 1. Reconnect IPDM E/R connector. 2. Check continuity between rear combination lamp harness connector and ground. Is the inspection result normal? YES >> Refer to GI-44, "Intermittent Incident" . NO >> Replace IPDM E/R. Refer to PCS-40, "Removal and Installation" . DTC Display Item Malfunction detected condition Possible causes B20D4 TAIL LAMP LH PWR SPLY CIRC [CIRC SHORT TO GRND] Short to ground • IPDM E/R IPDM E/R Ground Continuity Connector Terminal E119 4 No Rear combination lamp Ground Continuity Connector Terminal LH B90 1 No |