Nissan Juke Service and Repair Manual : No or very little acceleration, increase in engine speed

Description

CHART 8: NO OR VERY LITTLE ACCELERATION, INCREASE IN ENGINE SPEED

Diagnosis Procedure

1.CHECK FUEL

Check that the fuel reservoir is correctly filled and with the right fuel.

>> GO TO 2.

2.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 3.

NO >> Repair or replace harness or connector.

3.CHECK WIRING HARNESS

Visually check the condition of the engine wiring harness.

Is the inspection result normal? YES >> GO TO 4.

NO >> Repair or replace harness or connector.

4.CHECK AIR INTAKE SYSTEM

Check air intake system. Refer to EM-280, "Removal and Installation".

Is the inspection result normal? YES >> GO TO 5.

NO >> Repair or replace air intake system.

5.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR

Check electric throttle control actuator. Refer to EC-909, "Diagnosis Procedure".

Is the inspection result normal? YES >> GO TO 6.

NO >> Repair or replace.

6.CHECK MASS AIR FLOW SENSOR

Check mass air flow sensor. Refer to EC-902, "Component Inspection".

Is the inspection result normal? YES >> GO TO 7.

NO >> Repair or replace.

7.CHECK TURBOCHARGER

Check that the turbocharger is working properly. Refer to EC-1003, "Diagnosis Procedure".

Is the turbocharger correct? Yes >> GO TO 8.

No >> Repair or replace.

8.CHECK ACCELERATOR PEDAL POSITION SENSOR

Check the accelerator pedal position sensor. Refer to EC-1001, "Component Inspection".

Is the inspection result normal? 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 CAN COMMUNICATION

Perform trouble diagnosis on the CAN communication line using CONSULT-III. Refer to LAN-31, "CAN COMMUNICATION SYSTEM : CAN Communication Signal Chart".

Is the inspection result normal? YES >> GO TO 12.

NO >> Repair or replace harness or connector.

12.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 13.

13.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 14.

14.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 15.

15.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 16.

16.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 17.

17.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 18.

18.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 stalling
    Description CHART 7: ENGINE STALLING Diagnosis Procedure 1.CHECK FUEL Check that the fuel reservoir is correctly filled and with the right fuel. >> GO TO 2. 2.CHECK ECM POWER SUPPLY AN ...

    Engine bucking
    Description CHART 9: ENGINE BUCKING Diagnosis Procedure 1.CHECK ECM POWER SUPPLY AND GROUND CIRCUIT Check ECM power supply and ground circuit. Refer to EC-885, "Diagnosis Procedure". ...

    Other materials:

    Intake sensor
    Exploded View Refer to HA-97, "Exploded View (Automatic Air Conditioning)". Removal and Installation REMOVAL 1. Remove evaporator assembly. Refer to HA-115, "EVAPORATOR : Removal and Installation". 2. Remove intake sensor from evaporator. INSTALLATION Note the followin ...

    Automatic air conditioner (with Integrated Control System)
    1. AUTO button/Temperature control dial 2. OFF button 3. A/C button 4. CLIMATE button 5. Display screen 6. Air flow control buttons 7. Fan speed control dial 8. Front defroster button 9. Air intake button (Outside air circulation /Air recirculation ) 10. Rear window defroster button ( ...

    Indicator lights
    All-Wheel Drive (AWD) indicator light (AWD model) When the ignition switch is in the ON position, the All-Wheel Drive (AWD) indicator light illuminates and then turns off. When selecting AWD mode while the engine is running, the AWD indicator light illuminates. (See All-Wheel Drive (AWD ...