Toyota
Nissan Versa
 Sedan Service Manual
Electrical & power control » Power control system (PCS) » B2615 Blower relay circuit
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".

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