Nissan Versa (N17): B2615 Blower relay circuit

Nissan Versa 2nd generation (N17) Service Manual / Electrical & power control / Power control system (PCS) / B2615 Blower relay circuit

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON, and wait for 1 second or more.

2. Check "Self-diagnosis result" with CONSULT.

Is DTC detected?

YES >> Go to PCS "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

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

1. CHECK BLOWER MOTOR RELAY POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect blower motor relay.

3. Disconnect BCM connector M19.

4. Check continuity between blower motor relay connector J-1 terminal 2 and BCM connector M98 terminal 106.                               

5. Check continuity between Blower motor relay connector J-1 terminal 2 and ground.

Is the inspection result normal?

YES >> GO TO 2.

NO >> Repair or replace harness or connectors.

2. CHECK BLOWER MOTOR RELAY GROUND CIRCUIT

1. Check continuity between Blower motor relay connector J-1 terminal 1 and ground.

Is the inspection result normal?

YES >> GO TO 3.

NO >> Repair or replace harness or connectors.

3. CHECK BLOWER MOTOR RELAY

Perform the relay component inspection. Refer to HAC "Component Inspection (Blower Relay)".

Is the inspection result normal?

YES >> GO TO 4.

NO >> Replace blower motor relay.

4. CHECK BLOWER MOTOR RELAY POWER SUPPLY (BCM)

Check voltage between BCM connector M98 terminal 106 and ground.

Is the inspection result normal?

YES >> Refer to GI "Intermittent Incident".

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

Component Inspection

1.CHECK BLOWER RELAY

1. Turn blower switch OFF.

2. Remove blower relay.

3. Check the continuity between blower relay terminals.               

CHECK BLOWER RELAY

Is the inspection result normal?

YES >> Inspection End.

NO >> Replace blower relay

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