Nissan Juke Service and Repair Manual : B2614 ACC relay circuit

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE


DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

1. Turn the power supply position to ACC under the following conditions, and wait for 2 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-91, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK ACCESSORY RELAY POWER SUPPLY-1

1. Turn ignition switch OFF.

2. Disconnect accessory relay.

3. Check voltage between accessory 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 ACCESSORY RELAY POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector.

3. Check continuity between accessory relay harness connector and BCM harness connector.

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


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

Is the inspection result normal?


Is the inspection result normal? YES >> Replace BCM. Refer to BCS-93, "Removal and Installation".

NO >> Repair or replace harness.

3.CHECK ACCESSORY RELAY GROUND CIRCUIT

1. Turn ignition switch OFF.

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

Is the inspection result normal?


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

NO >> Repair accessory relay ground circuit.

4.CHECK ACCESSORY RELAY POWER SUPPLY CIRCUIT-2

1. Turn ignition switch ACC.

2. Check voltage between accessory 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 accessory relay and battery.

5.CHECK ACCESSORY RELAY

Refer to PCS-92, "Component Inspection".

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

NO >> Replace accessory relay.

6.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

>> INSPECTION END

Component Inspection

1.CHECK ACCESSORY RELAY

1. Turn ignition switch OFF.

2. Remove accessory relay.

3. Check the continuity between accessory relay terminals.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> Replace accessory relay

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