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B2623 INSIDE ANTENNA DLK-69 < DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM] C D E F G H I J L M A B DLK N O P 1. Turn ignition switch OFF. 2. Disconnect BCM connector and inside key antenna (trunk room) connector. 3. Check continuity between BCM harness connector and inside key antenna (trunk room) harness connec- tor. 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 (trunk room). (New antenna or other antenna) 2. Connect BCM connector and inside key antenna (trunk room) connector. 3. Turn ignition switch ON. 4. Check signal between BCM harness connector and ground using oscilloscope. Is the inspection result normal? YES >> Replace inside key antenna (trunk room). Refer to DLK-176, "LUGGAGE ROOM : Removal and NO >> Replace BCM. Refer to BCS-70, "Removal and Installation" BCM Inside key antenna (trunk room) Continuity Connector Terminal Connector Terminal M98 88 B48 1 Yes 89 2 BCM Ground Continuity Connector Terminal M98 88 No 89 (+) (–) Condition Signal (Reference value) BCM Connector Terminal M98 88 Ground When Intelligent Key is in the anten- When Intelligent Key is not in the an- JMKIA3839GB JMKIA5951GB |