Nissan Juke Service and Repair Manual : B2615 blower relay circuit

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE


DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON under the following conditions, and wait for 1 second or more.

CVT models
- Selector lever is in the P or N position - Do not depress brake pedal

M/T models
- Do not depress clutch pedal

2. Check “Self-diagnosis result” of BCM with CONSULT-III.

Is DTC detected? YES >> Go to PCS-94, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK BLOWER RELAY POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect blower relay.

3. Check voltage between blower relay harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 3.

NO >> GO TO 2.

2.CHECK BLOWER RELAY POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector.

3. Check continuity between blower relay harness connector and BCM harness connecto

4. Check continuity between blower relay harness connector and ground.


4. Check continuity between blower relay harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 6.

NO >> Repair or replace harness.

3.CHECK BLOWER RELAY GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Check continuity between blower relay harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 4.

NO >> Repair blower relay ground circuit.

4.CHECK BLOWER RELAY POWER SUPPLY CIRCUIT-2

1. Turn ignition switch ON.

2. Check voltage between blower relay harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 5.

NO >> Check continuity open or short between blower relay and battery.

5.CHECK BLOWER RELAY

Refer to PCS-95, "Component Inspection".

Is the inspection result normal? YES >> GO TO 6.

NO >> Replace blower relay.

6.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

>> INSPECTION END

Component Inspection

1.CHECK BLOWER RELAY

1. Turn ignition switch OFF.

2. Remove ignition relay.

3. Check the continuity between ignition relay terminals.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> Replace Ignition relay

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