Nissan Juke Service and Repair Manual : Engine emits blue smoke
Description
CHART 19: ENGINE EMITS BLUE SMOKE
Diagnosis Procedure
1.CHECK ENGINE OIL
Check the grade of engine oil. Refer to LU-33, "Inspection".
Is the inspection result normal? YES >> GO TO 2.
NO >> Replace engine oil. Refer to LU-34, "Refilling".
2.CHECK ENGINE OIL LEVEL
Is the engine oil level correct? Yes or No Yes >> GO TO 3.
No >> Top up the oil.
3.CHECK FUEL
Check that the fuel reservoir is correctly filled and with the right fuel.
>> GO TO 4.
4.CHECK ENGINE COOLANT TEMPERATURE SENSOR
Check engine coolant temperature sensor. Refer to EC-908, "Component Inspection".
Is the inspection result normal? Yes >> GO TO 5.
No >> Repair or replace.
5.CHECK AIR INTAKE SYSTEM
Check air intake system. Refer to EM-280, "Removal and Installation".
Is the inspection result normal? YES >> GO TO 6.
NO >> Repair or replace air intake system.
6.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR
Check electric throttle control actuator. Refer to EC-909, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 7.
NO >> Repair or replace.
7.CHECK MASS AIR FLOW SENSOR
Check mass air flow sensor. Refer to EC-902, "Component Inspection".
Is the inspection result normal? YES >> GO TO 8.
NO >> Repair or replace.
8.CHECK TURBOCHARGER
Check that the turbocharger is working properly. Refer to EC-1003, "Diagnosis Procedure".
Is the turbocharger correct? Yes >> GO TO 9.
No >> Repair or replace.
9.CHECK EGR SYSTEM
Check EGR system. Refer to EC-954, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 10.
NO >> Repair or replace.
10.CHECK CATALYTIC CONVERTER
Is the catalytic converter clogged or deteriorated? Is the inspection result normal? YES >> GO TO 11.
NO >> Repair or replace.
11.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 12.
12.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 13.
13.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 14.
14.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 15.
15.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)".
>> GO TO 16.
16.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 17.
NO >> Repair or replace harness or connector.
17.CHECK WIRING HARNESS
Visually check the condition of the engine wiring harness.
Is the inspection result normal? YES >> INSPECTION END
NO >> Repair or replace harness or connector.
Engine smokes when started
Description CHART 18: ENGINE SMOKES WHEN STARTED Diagnosis Procedure 1.CHECK ENGINE OIL Check the grade of engine oil. Refer to LU-33, "Inspection". Is the inspection result normal? ...Engine smokes when revved
Description CHART 20: ENGINE SMOKES WHEN REVVED Diagnosis Procedure 1.CHECK ENGINE OIL Check the grade of engine oil. Refer to LU-25, "Inspection". Is the inspection result normal? Y ...Other materials:
Precaution
Precautions for Trouble Diagnosis
CAUTION:
• Never apply 7.0 V or more to the measurement terminal.
• Use a tester with open terminal voltage of 7.0 V or less.
• Turn the ignition switch OFF and disconnect the battery cable from the
negative terminal when
checking the harness.
Precautions fo ...
Diagnosis system (BCM)
Common item
COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the ...
Diagnosis system (BCM) (without intelligent key system)
Common item
COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the ...