Toyota
Nissan Versa
 Sedan Service Manual
Body exterior, doors, roof & vehicle security » Security control system (SEC) » B2198 NATS antenna AMP
Diagnosis Procedure

Regarding Wiring Diagram information, refer to SEC "Wiring Diagram".

1.CHECK FUSE

1. Turn power switch OFF.

2. Check that the following fuse in IPDM E/R is not blown.       

Is the inspection result normal?

YES >> GO TO 2.

NO >> Replace the blown fuse after repairing the cause of blowing.

2.CHECK NATS ANTENNA AMP. POWER SUPPLY

1. Disconnect NATS antenna amp. connector.

2. Check voltage between NATS antenna amp. harness connector and ground.   

Is the inspection result normal?

YES >> GO TO 4.

NO >> GO TO 3.

3.CHECK NATS ANTENNA AMP. POWER SUPPLY CIRCUIT

1. Disconnect IPDM E/R connector.

2. Check continuity between IPDM E/R harness connector and NATS antenna amp. connector.

Is the inspection result normal?

YES >> Replace IPDM E/R. Refer to PCS "Removal and Installation".

NO >> Repair or replace harness.

4.CHECK NATS ANTENNA AMP. GROUND CIRCUIT

Check continuity between NATS antenna amp. harness connector and ground.   

Is the inspection result normal?

YES >> GO TO 5.

NO >> Repair or replace harness.

5.CHECK NATS ANTENNA AMP. COMMUNICATION SIGNAL 1

Check voltage signal between NATS antenna amp. harness connector and ground using an oscilloscope.

Is the inspection result normal?

YES >> GO TO 7.

NO >> GO TO 6.

6.CHECK NATS ANTENNA AMP. OUTPUT SIGNAL CIRCUIT 1

1. Disconnect BCM connector.

2. Check continuity between NATS antenna amp. harness connector and BCM connector.

3. Check continuity between NATS antenna amp. harness connector and ground.

Is the inspection result normal?

YES >> GO TO 9.

NO >> Repair or replace harness.

7.CHECK NATS ANTENNA AMP. COMMUNICATION SIGNAL 2

Check voltage signal between NATS antenna amp. harness connector and ground using an oscilloscope.

Is the inspection result normal?

YES >> Replace NATS antenna amp. Refer to SEC "Removal and Installation".

NO >> GO TO 8.

8.CHECK NATS ANTENNA AMP. OUTPUT SIGNAL CIRCUIT 2

1. Disconnect BCM connector.

2. Check continuity between NATS antenna amp. harness connector and BCM connector.

3. Check continuity between NATS antenna amp. harness connector and ground.       

Is the inspection result normal?

YES >> GO TO 9.

NO >> Repair or replace harness.

9.REPLACE BCM

1. Replace BCM. Refer to BCS "Removal and Installation".

2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.

>> Inspection End

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    Nissan Versa Sedan Service Manual / Body exterior, doors, roof & vehicle security / Security control system (SEC) / B2198 NATS antenna AMP / Diagnosis Procedure

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