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:
Key reminder function does not operate
Diagnosis Procedure
1.CHECK DOOR LOCK AND UNLOCK SWITCH
Check door lock and unlock switch. Refer to the following.
• Driver side: Refer to DLK-391, "DRIVER SIDE : Component Function Check".
• Passenger side: Refer to DLK-392, "PASSENGER SIDE : Component Function Check".
...
Diagnosis and repair work flow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Interview the symptom to the customer.
>> GO TO 2.
2.SYMPTOM CHECK
Check the symptom from the customer's information.
>> GO TO 3.
3.BASIC INSPECTION
Check the operation of each part. Check that any sym ...
Door motor starting position reset
Description
• Reset signal is transmitted from A/C auto amp. to air mix door motor and
mode door motor. Starting position
reset can be performed.
NOTE:
During reset, DEF switch indicator blinks.
• When air mix door motor or mode door motor is removed and installed, always
perform door m ...