Nissan Juke Service and Repair Manual : Engine does not start or starts with difficulty

Nissan Juke Service and Repair Manual / Engine Control System K9K / Symptom diagnosis / Engine does not start or starts with difficulty

Description

CHART 2: ENGINE DOES NOT START OR STARTS WITH DIFFICULTY

Diagnosis Procedure

1.CHECK FUEL

Check that the fuel reservoir is correctly filled and with the right fuel.

>> GO TO 2.

2.CHECK BATTERY

Check the battery. Refer to PG-124, "Removal and Installation".

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

NO >> Repair or replace battery. Refer to PG-124, "Removal and Installation".

3.CHECK STARTER MOTOR

Check the starter and starter control relay. Refer to STR-8, "STARTING SYSTEM (WITH INTELLIGENT KEY) : System Description", STR-9, "STARTING SYSTEM (WITHOUT INTELLIGENT KEY) : System Description".

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

NO >> Repair or replace starter motor or starter control relay.

4.CHECK ECM RELAY

Check the ECM relay. Refer to EC-976, "Diagnosis Procedure".

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

NO >> Replace IPDM E/R. Refer to PCS-34, "Removal and Installation" (With intelligent key system), PCS-63, "Removal and Installation" (With intelligent key system).

5.CHECK ECM POWER SUPPLY AND GROUND CIRCUIT

Check ECM power supply and ground circuit. Refer to EC-885, "Diagnosis Procedure".

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

NO >> Repair or replace harness or connector.

6.CHECK WIRING HARNESS

Visually check the condition of the engine wiring harness.

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

NO >> Repair or replace harness or connector.

7.CHECK CAMSHAFT POSITION SENSOR

Check the camshaft position sensor. Refer to EC-935, "Component Inspection".

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

NO >> Repair or replace.

8.CHECK CAMSHAFT

Check the camshaft. Refer to EC-935, "Component Inspection".

Is the inspection result normal? YES >> GO TO 9.

NO >> Replace camshaft.

9.CHECK AIR INTAKE SYSTEM

Check air intake system. Refer to EM-280, "Removal and Installation".

Is the inspection result normal? YES >> GO TO 10.

NO >> Repair or replace air intake system. Refer to EM-280, "Removal and Installation".

10.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR

Check electric throttle control actuator. Refer to EC-909, "Diagnosis Procedure".

Is the inspection result normal? YES >> GO TO 11.

NO >> Repair or replace.

11.CHECK LOW PRESSURE CIRCUIT

Perform the TEST 1: LOW PRESSURE CIRCUIT CHECK. Refer to EC-867, "Work Procedure (TEST 1: Low Pressure Fuel Supply System Check)".

>> GO TO 12.

12.CHECK INTERNAL FUEL TRANSFER PUMP

Perform the TEST 2: INTERNAL FUEL TRANSFER PUMP CHECK. Refer to EC-868, "Work Procedure (TEST 2: Internal Fuel Transfer Pump Check)".

>> GO TO 13.

13.CHECK HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE)

Perform the TEST 3: HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE). Refer to EC-868, "Work Procedure [TEST 3: High Pressure Supply Pump (Pressure Control Valve) Check]".

>> GO TO 14.

14.CHECK HIGH PRESSURE SUPPLY PUMP (VOLUMETRIC CONTROL VALVE)

Perform the TEST 4: HIGH PRESSURE SUPPLY PUMP (VOLUMETRIC CONTROL VALVE). Refer to EC- 869, "Work Procedure [TEST 4: High Pressure Supply Pump (Volumetric Control Valve) Check]".

>> GO TO 15.

15.CHECK RAIL HIGH PRESSURE CONTROL CIRCUIT

Perform the TEST 5: RAIL HIGH PRESSURE CONTROL CIRCUIT CHECK. Refer to EC-871, "Work Procedure (TEST 5: Rail High Pressure Regulation Check)".

>> GO TO 16.

16.CHECK MAJOR LEAK IN FUEL INJECTORS/FUEL INJECTORS OPEN

Perform the TEST 6: MAJOR LEAK IN FUEL INJECTOR/FUEL INJECTORS OPEN. Refer to EC-876, "Work Procedure (TEST 6: Fuel Injectors Leak Check)".

>> GO TO 17.

17.CHECK INCORRECT FUEL INJECTION QUANTITY

Perform the TEST 7: INCORRECT FUEL INJECTION QUANTITY. Refer to EC-877, "Work Procedure (TEST 7: Fuel Injection Quantity Check)".

>> INSPECTION END

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