Nissan Juke Service and Repair Manual : P0380 glow rela

DTC Logic

DTC DETECTION LOGIC

NOTE:


NOTE

:
If DTC P0380 is displayed with DTC P0560 or P0657, first perform trouble diagnosis for DTC P0560 or P0657.

Refer to EC-963, "DTC Logic" (DTC P0560) or EC-976, "DTC Logic" (DTC P0657).

Diagnosis Procedure

1.CHECK GLOW RELAY POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect glow relay harness connector.

3. Turn ignition switch ON.

4. Check the voltage between glow relay connector and ground.

Is the inspection result normal?


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

NO >> GO TO 2.

2.DETECT MALFUNCTIONING PART

Check the following.

• 100 A fusible link (letter B) • Harness for open and short between glow relay and battery

>> Repair open circuit or short to ground or short to power in harness or connectors.

3.CHECK GLOW RELAY INPUT CIRCUIT FOR OPEN AND SHORT-I

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between glow relay harness connector and ECM harness connector.

4. Also check harness for short to ground and short to power.


4. Also check harness for short to ground and short to power.

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

NO >> Repair open circuit or short to ground or short to power in harness or connectors.

4.CHECK GLOW RELAY OUTPUT CIRCUIT FOR OPEN AND SHORT-II

1. Check the continuity between glow relay harness connector and ECM harness connector.

2. Also check harness for short to ground and short to power.


2. Also check harness for short to ground and short to power.

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

NO >> Repair open circuit or short to ground or short to power in harness or connectors.

5.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident", ???INCIDENT SIMULATION TESTS??? and ???GROUND INSPECTION???.

Is the inspection result normal? YES >> Replace glow relay.

NO >> Repair or replace.

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