Nissan Juke Service and Repair Manual : Too much power
Description
CHART 13: TOO MUCH POWER
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 ENGINE COOLANT TEMPERATURE SENSOR
Check engine coolant temperature sensor. Refer to EC-908, "Component Inspection".
Is the turbocharger correct? Yes >> GO TO 4.
No >> Repair or replace.
4.CHECK TURBOCHARGER
Check that the turbocharger is working properly. Refer to EC-1003, "Diagnosis Procedure".
Is the turbocharger correct? Yes >> GO TO 5.
No >> Repair or replace.
5.CHECK CLUTCH PEDAL POSITION SWITCH
Check clutch pedal position switch.
Is the inspection result normal? YES >> GO TO 6.
NO >> Repair or replace.
6.CHECK VEHICLE SPEED SIGNAL
Check the following component.
• ???ABS actuator and electric unit (control unit)??? [Refer to BRC-24, "CONSULT-III Function". (Without ESP), BRC-131, "CONSULT-III Function". (With ESP)] • Combination meter (Refer to MWI-23, "CONSULT-III Function".) Is the inspection result normal? YES >> GO TO 7.
NO >> Repair or replace.
7.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 8.
NO >> Repair or replace harness or connector.
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
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 ...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 inspecti ...Other materials:
Normal operating condition
Description
FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED)
If the engine speed is above 2,400 rpm under no load (for example, the shift
lever position is neutral and
engine speed is over 2,400 rpm) fuel will be cut off after some time. The exact
time when the fuel is cut off varies
base ...
B2621 inside antenna
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Select “INTELLIGENT KEY” of “BCM” using CONSULT-III.
2. Select “INSIDE ANT DIAGNOSIS” in “WORK SUPPORT” mode.
3. Perform inside key antenna (“INSIDE ANT DIAGNOSIS”) on “WORK SUPPORT” of
“INTELL ...
Special Service Tool
HFC-134a (R-134a) Service Tool and Equipment
• Never mix HFC-134a (R-134a) refrigerant and/or its specified lubricant with
CFC-12 (R-12) refrigerant and/
or its lubricant.
• Separate and non-interchangeable service equipment must be used for handling
each type of refrigerant/
lubricant.
• R ...