Nissan Rogue Service Manual: Fuel injector
Component Function Check
1.INSPECTION START
Turn ignition switch to START.
Are any cylinders ignited? YES >> GO TO 2.
NO >> Proceed to EC-464, "Diagnosis Procedure".
2.CHECK FUEL INJECTOR FUNCTION
With CONSULT
- Start engine.
- Perform “POWER BALANCE” in “ACTIVE TEST” mode with CONSULT.
- Check that each circuit produces a momentary engine speed drop.
Without CONSULT
- Start engine.
- Listen to each fuel injector operating sound.
Clicking sound should be heard.
Is the inspection result normal? YES >> INSPECTION END
NO >> Proceed to EC-464, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK FUEL INJECTOR POWER SUPPLY
- Turn ignition switch OFF.
- Disconnect fuel injector harness connector.
- Turn ignition switch ON.
- Check the voltage between fuel injector harness connector and ground
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK FUEL INJECTOR POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect IPDM E/R harness connector.
- Check the continuity between fuel injector harness connector and IPDM E/R harness connector.
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
3.CHECK FUEL INJECTOR OUTPUT SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between fuel injector harness connector and ECM harness connector.
Also check harness for short to ground and to power.
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
4.CHECK FUEL INJECTOR
Check fuel injector. Refer to EC-465, "Component Inspection".
Is the inspection result normal? YES >> GO TO 5.
NO >> Replace malfunctioning fuel injector. Refer to EM-40, "Exploded View".
5.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to GI-41, "Intermittent Incident".
Is the inspection result normal? YES >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".
NO >> Repair or replace error-detected parts.
Component Inspection
1.CHECK FUEL INJECTOR
- Turn ignition switch OFF.
- Disconnect fuel injector harness connector.
- Check resistance between fuel injector terminals as per the following.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace malfunctioning fuel injector. Refer to EM-40, "Removal and Installation".
Electrical load signal
Description
The electrical load signal (Headlamp switch signal, rear window defogger
switch signal, etc.) is transferred via
the CAN communication.
Component Function Check
1.CHECK REAR WINDOW D ...
Fuel pump
Description
Sensor
Input signal to ECM
ECM Function
Actuator
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)
Engine speed*
Fuel pump control
Fue ...
Other materials:
P0848 transmission fluid pressure SEN/SW B
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0848
FLUID PRESS SEN/SW B
(Transmission Fluid Pressure Sensor/Switch B
Circuit Low)
When all of the following conditions are satisfied and this sta ...
NISSAN Intelligent Key® (if so equipped)
Replace the battery in the Intelligent Key as follows:
Remove the mechanical key from the Intelligent
Key.
Insert a small screwdriver A into the slit B
of the corner and twist it to separate the
upper part from the lower part. Use a cloth to
protect the casing.
Replace th ...
Symptom diagnosis
CHASSIS CONTROL
Active Engine Brake
NOTE:
For the operational conditions of Active Engine Brake, refer to
DAS-175, "System Description - Active
Engine Brake".
Perform the self-diagnosis with CONSULT before the symptom
diagnosis. Perform the trouble diagnosis if
...
