Nissan Juke Service and Repair Manual : Power supply and ground circuit

Diagnosis Procedure

1.CHECK GROUND CONNECTION

1. Turn ignition switch OFF.

2. Check ground connection E21 and E38. Refer to Ground Inspection in GI-44, "Circuit Inspection".

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace ground connection.

2.CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT

1. Disconnect ECM harness connectors.

2. Check the continuity between ECM harness connector and ground.

3. Also check harness for short to power.


3. Also check harness for short to power.

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

NO >> GO TO 3.

3.DETECT MALFUNCTIONING PART

Check the following.

Harness connectors E8, F1 Harness for open or short between ECM and ground

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

4.CHECK ECM POWER SUPPLY CIRCUIT-I

1. Reconnect ECM harness connectors.

2. Turn ignition switch ON.

3. Check the voltage between ECM harness connector and ground.

Is the inspection result normal?


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

NO >> GO TO 5.

5.DETECT MALFUNCTIONING PART

Check the following.

15 A fuse (No. 62)
Harness for open or short between ECM and fuse

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

6.CHECK ECM POWER SUPPLY CIRCUIT-II

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON and then OFF.

Check the voltage between ECM harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 7.

NO >> GO TO 9.

7.CHECK ECM POWER SUPPLY CIRCUIT-III

1. Turn ignition switch ON.

2. Check the voltage between IPDM E/R harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 8.

NO >> Replace IPDM E/R.

8.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

>> INSPECTION END

9.CHECK ECM POWER SUPPLY CIRCUIT-IV

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Check the voltage between ECM harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 13.

NO >> GO TO 10.

10.CHECK ECM POWER SUPPLY CIRCUIT-V

1. Disconnect ECM harness connector.

2. Disconnect IPDM E/R harness connector E14.

3. Check the continuity between ECM harness connector and IPDM E/R 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 12.

NO >> GO TO 11.

11.DETECT MALFUNCTIONING PART

Check the following.

Harness connectors E8, F1 Harness for open or short between ECM and IPDM E/R

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

12.CHECK 20 A FUSE

1. Disconnect 20 A fuse (No. 43) from IPDM E/R.

2. Check 20 A fuse.

Is the inspection result normal? YES >> GO TO 14.

NO >> Replace 20 A fuse.

13.CHECK ECM POWER SUPPLY CIRCUIT-VI

1. Disconnect ECM harness connector.

2. Disconnect IPDM E/R harness connector E14.

3. Check the continuity between ECM harness connector and IPDM E/R 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 14.

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

14.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

Is the inspection result normal? YES >> Replace IPDM E/R.

NO >> Repair or replace harness or connectors.

    Other materials:

    Service Notice or Precautions for Steering System
    In case of removing steering gear assembly, make the final tightening with grounded and unloaded vehicle condition, and then check wheel alignment. Observe the following precautions when disassembling. - Before disassembly, thoroughly clean the outside of the unit. - Disassembly should b ...

    Rear wheel hub and housing
    Inspection COMPONENT PART Check the mounting conditions (looseness, back lash) of each component and component conditions (wear, damage) are normal. WHEEL HUB ASSEMBLY (BEARING-INTEGRATED TYPE) Check the following items, and replace the part it necessary. Move wheel hub assembly in the ...

    Checking engine coolant level
    Check the coolant level in the reservoir when the engine is cold. If the coolant level is below the MIN level 2 , open the reservoir cap and add coolant up to the MAX level 1 . If the reservoir is empty, check the coolant level in the radiator when the engine is cold. If there is insufficien ...