Nissan Juke Service and Repair Manual : Engine emits white smoke (especially when starting)
Description
CHART 21: ENGINE EMITS WHITE SMOKE (ESPECIALLY WHEN STARTING)
Diagnosis Procedure
1.CHECK FUEL
Check that the fuel reservoir is correctly filled and with the right fuel.
>> GO TO 2.
2.CHECK COOLING SYSTEM
Check the cooling system. Refer to CO-60, "Troubleshooting Chart".
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace.
3.CHECK GLOW SYSTEM
Check the glow system.
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace glow system. Refer to EM-292, "Removal and Installation".
4.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 5.
5.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 EN
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 ...
Emission control not satisfactory
Description
CHART 22: EMISSION CONTROL NOT SATISFACTORY
Diagnosis Procedure
1.CHECK ECM POWER SUPPLY AND GROUND CIRCUIT
Check ECM power supply and ground circuit. Refer to EC-885, "Diagnosis ...
Other materials:
P1840 output speed signal
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn
ignition switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.DTC REPRODUCTION PROCEDURE
With ...
P1723 speed sensor
Description
The secondary speed sensor detects the revolution of parking gear and
generates a pulse signal. The pulse
signal is sent to the TCM, which converts it into vehicle speed.
The prymary speed sensor detects the primary pulley revolution speed and sends a
signal to the TCM.
DTC Log ...
Removal and Installation
REMOVAL
1. Remove rear propeller shaft assembly. Refer to DLN-121, "Removal and
Installation".
2. Remove rear drive shaft. Refer to RAX-17, "Removal and Installation".
3. Disconnect sub-harness connector (1).
4. Remove rear final drive breather hose.
5. Support rear final ...
