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B2622 INSIDE ANTENNA DLK-71 < DTC/CIRCUIT DIAGNOSIS > C D E F G H I J L M A B DLK N O P 2. CHECK INSIDE KEY ANTENNA CIRCUIT 1. Turn power switch OFF. 2. Disconnect BCM connector and inside key antenna (rear seat) connector. 3. Check continuity between BCM harness connector and inside key antenna (rear seat) harness connector. 4. Check continuity between BCM harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace harness. 3. CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2 1. Replace inside key antenna (rear seat). (New antenna or other antenna) 2. Connect BCM connector and inside key antenna (rear seat) connector. 3. Turn power switch ON. 4. Check signal between BCM harness connector and ground using oscilloscope. Is the inspection result normal? YES >> Replace inside key antenna (rear seat). Refer to DLK-205, "REAR SEAT : Removal and Installa- . NO >> Replace BCM. Refer to BCS-72, "Removal and Installation" BCM Inside key antenna (rear seat) Continuity Connector Terminal Connector Terminal M23 86 B81 1 Yes 87 2 BCM Ground Continuity Connector Terminal M23 86 No 87 (+) (–) Condition Signal (Reference value) BCM Connector Terminal M23 86 Ground When Intelligent Key is in the an- When Intelligent Key is not in the JMKIA3839GB JMKIA5951GB |