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DLK-230 < DTC/CIRCUIT DIAGNOSIS > B2623 INSIDE ANTENNA B2623 INSIDE ANTENNA DTC Logic INFOID:0000000009649134 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE 1. Select “INTELLIGENT KEY” of “BCM” using CONSULT. 2. Select “INSIDE ANT DIAGNOSIS” in “WORK SUPPORT” mode. 3. Perform inside key antenna (“INSIDE ANT DIAGNOSIS”) on “WORK SUPPORT” of “INTELLIGENT 4. Check BCM for DTC. Is inside key antenna DTC detected? YES >> Refer to DLK-230, "Diagnosis Procedure" . NO >> Inside key antenna (luggage room) is OK. Diagnosis Procedure INFOID:0000000009649135 1. CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1 1. Turn ignition switch ON. 2. Check signal between BCM harness connector and ground using oscilloscope. Is the inspection result normal? YES >> Replace BCM. Refer to BCS-98, "Removal and Installation" NO >> GO TO 2. 2. CHECK INSIDE KEY ANTENNA CIRCUIT 1. Disconnect BCM connector and inside key antenna (luggage room) connector. 2. Check continuity between BCM harness connector and inside key antenna (luggage room) harness con- DTC CONSULT display description DTC detecting condition Possible cause B2623 INSIDE ANTENNA An excessive high or low voltage from inside anten- • Inside key antenna (luggage room) (Front inside key antenna (luggage (+) (–) Condition Signal (Reference value) BCM Connector Terminal M124 88, 89 Ground When Intelligent Key is in the When Intelligent Key is not in JMKIA3839GB JMKIA5951GB |