Nissan Juke Service and Repair Manual : Overspeed at idle speed or on releasing brake

Nissan Juke Service and Repair Manual / Engine Control System K9K / Symptom diagnosis / Overspeed at idle speed or on releasing brake

Description

CHART 14: OVERSPEED AT IDLE SPEED OR ON RELEASING BRAKE

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 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 4.

NO >> Repair or replace harness or connector.

4.CHECK WIRING HARNESS

Visually check the condition of the engine wiring harness.

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

NO >> Repair or replace harness or connector.

5.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 6.

NO >> Repair or replace harness or connector.

6.CHECK ???ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)???

Perform trouble diagnosis on the ???ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)???. [Refer to BRC-24, "CONSULT-III Function". (Without ESP), BRC-131, "CONSULT-III Function". (With ESP)] Is the inspection result normal? YES >> INSPECTION END.

NO >> Repair or replace.

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