Nissan Juke Service and Repair Manual : 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 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 EGR SYSTEM
Check EGR system. Refer to EC-954, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 8.
NO >> Repair or replace.
8.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 9.
9.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 10.
10.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 11.
11.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 12.
12.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
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 ...
Service data and specifications (SDS)
Idle Speed
*: Under the following conditions
• A/C switch: OFF
• Electric load: OFF (Lights, glow plug, heater fan & rear window defogger)
• Steering wheel: Kept in straight-ahead position ...
Other materials:
Both side headlamps (HI) are not turned on
Description
Both side headlamps (HI) are not turned ON when setting to the lighting
switch HI or PASS.
Diagnosis Procedure
1.COMBINATION SWITCH INSPECTION
Check the combination switch. Refer to BCS-92, "Symptom Table".
Is the inspection result normal?
YES >> GO TO 2.
NO ...
P0037, P0038 HO2S2 heater
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform
the following procedure before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switc ...
P0488 EGR system
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK EGR VOLUME CONTROL VALVE CONTROL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect EGR volume control valve harness connector and ECM harness
connector.
3. Check the continuity between EGR volume control valve terminal harness
co ...