Nissan Juke Service and Repair Manual : Excessive consumption
Description
CHART 15:EXCESSIVE CONSUMPTION
Diagnosis Procedure
1.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 2.
NO >> Repair or replace harness or connector.
2.CHECK WIRING HARNESS
Visually check the condition of the engine wiring harness.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connector.
3.CHECK AIR INTAKE SYSTEM
Check air intake system. Refer to EM-280, "Removal and Installation".
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace air intake system.
4.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR
Check electric throttle control actuator. Refer to EC-909, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace.
5.CHECK MASS AIR FLOW SENSOR
Check mass air flow sensor. Refer to EC-902, "Component Inspection".
Is the inspection result normal? YES >> GO TO 6.
NO >> Repair or replace.
6.CHECK TURBOCHARGER
Check that the turbocharger is working properly. Refer to EC-1003, "Diagnosis Procedure".
Is the turbocharger correct? Yes >> GO TO 7.
No >> Repair or replace.
7.CHECK ENGINE COOLANT TEMPERATURE SENSOR
Check engine coolant temperature sensor. Refer to EC-908, "Component Inspection".
Is the inspection result normal? Yes >> GO TO 8.
No >> Repair or replace.
8.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 9.
9.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 10.
10.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 11.
11.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 12.
12.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 13.
13.CHECK MAJOR LEAK IN FUEL INJECTOR/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 14.
14.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
Overspeed at idle speed or on releasing brake
Description
CHART 14: OVERSPEED AT IDLE SPEED OR ON RELEASING BRAKE
Diagnosis Procedure
1.CHECK ENGINE OIL
Check the grade of engine oil. Refer to LU-33, "Inspection".
Is the inspecti ...
Engine knock
Description
CHART 16: ENGINE KNOCK
Diagnosis Procedure
1.CHECK ENGINE OIL
Check the grade of engine oil. Refer to LU-33, "Inspection".
Is the inspection result normal?
YES >> G ...
Other materials:
Power supply and ground circuit
Diagnosis Procedure
1.CHECK 4WD CONTROL MODULE POWER SUPPLY (1)
1. Turn the ignition switch OFF.
2. Disconnect 4WD control module harness connector.
3. Check the voltage between 4WD control module harness connector and ground.
4. Turn the ignition switch ON.
CAUTION:
Never start the engin ...
Terms
• The captions WARNING and CAUTION warn you of steps that must be followed to
prevent personal injury
and/or damage to some part of the vehicle.
WARNING indicates the possibility of personal injury if instructions are not
followed.
CAUTION indicates the possibility of component damage if ...
Shift lock system
Component Function Check
1.CHECK SHIFT LOCK OPERATION (PART 1)
1. Turn ignition switch ON.
2. Shift the selector lever to “P” position.
3. Attempt to shift the selector lever to any other than position with the brake
pedal released.
Can the selector lever be shifted to any other position?
...