Nissan Versa

 Sedan Service Manual

Electrical & power control » Power control system (PCS) » B26F1 Ignition relay
Diagnosis Procedure

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

1.CHECK IPDM E/R SELF-DIAGNOSTIC RESULT

1. Turn ignition switch ON.

2. Erase the DTC of IPDM E/R.

3. Turn ignition switch OFF.

4. Turn ignition switch ON and check the DTC again.

Is DTC detected?

YES >> Repair or replace the malfunctioning part. Refer to BCS "DTC Index".

NO >> GO TO 2.

2.CHECK IGNITION RELAY-1 CONTROL SIGNAL (IPDM E/R)

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES >> GO TO 3.

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

3.CHECK IGNITION RELAY-1 CONTROL SIGNAL CIRCUIT (IPDM E/R)

1. Turn ignition switch OFF.

2. Disconnect BCM and IPDM E/R connectors.

3. Check continuity between BCM harness connector and IPDM E/R harness connector.

Is the inspection result normal?

YES >> Replace IPDM E/R.

NO >> Repair or replace harness.

DTC Logic

Diagnosis Procedure