Nissan Versa

 Sedan Service Manual

Body exterior, doors, roof & vehicle security » Door & lock (DLK) » B2623 Inside antenna
Diagnosis Procedure

Regarding Wiring Diagram information, refer to DLK "INTELLIGENT KEY SYSTEM : Wiring Diagram".

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 "Removal and Installation".

NO >> GO TO 2.

2.CHECK INSIDE KEY ANTENNA CIRCUIT

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 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 (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).

NO >> Replace BCM. Refer to BCS "Removal and Installation".

DTC Logic

Diagnosis Procedure