Nissan Juke Service and Repair Manual : P0190 FRP sensor

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE


DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

1. Start the engine ON and wait at least 60 seconds.

2. Check DTC or 1st trip DTC.

Is DTC or 1st trip DTC detected? YES >> Proceed to EC-247, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK FUEL RAIL PRESSURE (FRP) SENSOR POWER SUPPLY-I

1. Turn ignition switch OFF.

2. Disconnect FRP sensor connector.

3. Turn ignition switch ON.

4. Check the voltage between FRP sensor harness connector terminals.

Inspection result normal?


Inspection result normal? YES >> GO TO 6.

NO >> GO TO 2.

2.CHECK FRP SENSOR POWER SUPPLY-II

Check the voltage between FRP sensor harness connector and the ground.

Is inspection result normal?


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

NO >> GO TO 3.

3.CHECK SENSOR POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check harness connector for short to power and short to ground, between the following terminals.

*1: LHD models or RHD with CVT models


*1: LHD models or RHD with CVT models *2: RHD with M/T models

Is inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.

NO >> Repair or replace error-detected parts.

4.CHECK FRP SENSOR GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between FRP sensor harness connector and ECM harness connector.

4. Also check harness for short to power.


4. Also check harness for short to power.

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

NO >> Repair or replace error-detected parts.

5.CHECK ECM GROUND CIRCUIT

Check the continuity between ECM harness connector and the ground.

Is inspection result normal?


Is inspection result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".

NO >> Repair or replace error-detected parts.

6.CHECK FRP SENSOR SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between FRP sensor harness connector and ECM harness connector.

4. Also check harness for short to ground and to power.


4. Also check harness for short to ground and to power.

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

NO >> Repair or replace error-detected parts.

7.CHECK FRP SENSOR

Check the FRP sensor. Refer to EC-249, "Component Inspection".

Is inspection result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".

NO >> Repair or replace error-detected parts.

Component Inspection

1.CHECK FRP SENSOR

1. Turn ignition switch OFF.WITH CONSULT-III


1. Turn ignition switch OFF.

2. Reconnect harness connector disconnected.

3. Start the engine.

4. Select DATA MONITOR mode of ENGINE using CONSULT-III.

5. Check that the FUEL PRES SEN V indication.

WITHOUT CONSULT-III


1. Turn ignition switch OFF.WITHOUT CONSULT-III


1. Turn ignition switch OFF.

2. Reconnect harness connector disconnected.

3. Start the engine.

4. Check FRP sensor signal voltage.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END.

NO >> Replace FRP sensor. Refer to EM-47, "Exploded View".

    P0172 fuel injection system function
    DTC Logic DTC DETECTION LOGIC With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture ratio can be brought closely to the theoretical mixture ratio based on the mixture ratio fe ...

    P0197, P0198 EOT sensor
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conductin ...

    Other materials:

    Vehicle security system cannot BE set
    INTELLIGENT KEY INTELLIGENT KEY : Description Armed phase is not activated when door is locked using Intelligent Key. NOTE: Check that vehicle is under the condition shown in CONDITIONS OF VEHICLE (OPERATING CONDITIONS) before starting diagnosis, and check each symptom. CONDITION OF VE ...

    Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
    The Supplemental Restraint System such as AIR BAG and SEAT BELT PRE-TENSIONER, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. Information necessary to service the system safely is include ...

    Center stem assembly
    Exploded View 1. Filler plug 2. Gasket 3. Drain plug 4. Breather tube 5. Clip 6. Breather hose 7. Breather 8. sub-harness clip 9. sub-harness 10. Rear cover 11. Center stem 12. Side bearing (right) 13. Side bearing adjusting shim (right) 14. Side oil seal (right) 15. Connec ...