Nissan Juke Service and Repair Manual : No engine braking

Description

CHART 11: NO ENGINE BRAKING

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 ACCELERATOR PEDAL POSITION SENSOR

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

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

NO >> Repair or replace.

4.CHECK IDLE SPEED

Check idle speed. Refer to EC-1061, "Idle Speed".

>> GO TO 5.

5.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 6.

6.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

    Erratic acceleration
    Description CHART 10: Erratic acceleration Diagnosis Procedure 1.CHECK ECM POWER SUPPLY AND GROUND CIRCUIT Check ECM power supply and ground circuit. Refer to EC-885, "Diagnosis Procedure&q ...

    Loss of power
    Description CHART 12: LOSS OF POWER Diagnosis Procedure 1.CHECK FUEL Check that the fuel reservoir is correctly filled and with the right fuel. >> GO TO 2. 2.CHECK FUEL FILTER Check t ...

    Other materials:

    Head restraints/Headrests
    WARNING Head restraint/headrest supplement the other vehicle safety systems. They may provide additional protection against injury in certain rear end collisions. Adjustable head restraints/headrests must be adjusted properly, as specified in this section. Check the adjustment after someone el ...

    P1550 battery current sensor
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test. 1. Turn ignition switch OFF and wait at least 10 seconds. 2. Turn ignition switch ON. 3. ...

    B2578, B2579 In-vehicle sensor
    DTC Logic DTC DETECTION LOGIC NOTE: • If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to HAC- 141, "DTC Logic". • If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to HAC- 142, &qu ...