Nissan Rogue (T33) 2021-Present Service Manual: P0193 Frp Sensor

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P0193 Frp Sensor

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P0193 00

FRP SEN/CIRC

(Fuel Rail Pressure Sensor Circuit High Bank 1) 		Diagnosis condition Engine running at idle
Signal (terminal) Fuel rail pressure sensor signal
Threshold Signal voltage from the fuel rail pressure sensor remains at more than 4.94V
Diagnosis delay time 5 seconds or more

POSSIBLE CAUSE

  • Harness or connectors (Fuel rail pressure sensor circuit is open or shorted.)

  • Fuel rail pressure sensor

  • Sensor power supply 1 circuit

FAIL-SAFE

Engine Control System

Fail safe mode Nissan Ariya Vehicle behavior
Traveling control mode Accelerator angle variation control

ECM controls the accelerator pedal depression speed to make it slower than actual speed. This causes a drop in accelerating performance and encourages the driver to repair malfunction.

NOTE:

ECM does not control the accelerator pedal releasing speed.
Combustion control mode Stratified charge combustion control at starting No stratified charge combustion at starting (cold start).

Stop/Start System

When a DTC is detected, the stop/start indicator lamp blinks slowly and the stop/start system operation is prohibited. When ECM detects error while operating the stop/start system, ECM restarts the engine.

DTC Confirmation Procedure

CHECK DTC PRIORITY

If DTC P0193 is displayed with other DTC, first perform the trouble diagnosis for other DTC.

Is other DTC detected?

YES>>

Perform diagnosis of applicable. Refer to DTC Index.

NO>>

GO TO 2.

PRECONDITIONING

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

TESTING CONDITION:

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

>>

GO TO 3.

PERFORM DTC CONFIRMATION PROCEDURE

  1. Start engine and let it idle for at least 1 minute.

  2. Check DTC or 1st trip DTC.

Is DTC or 1st trip DTC detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO-1>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO-2>>

Confirmation after repair: INSPECTION END

DTC Diagnosis Procedure

NOTE:

Turning the ignition switch ON with FRP sensor harness connector disconnected causes ECM to detect DTC P0192 or P0193. Be sure to erase the DTC when the diagnosis procedure.

CHECK DTC PRIORITY

If DTC P0193 is displayed with other DTC, first perform the trouble diagnosis for other DTC.

Is other DTC detected?

YES>>

Perform diagnosis of applicable. Refer to DTC Index.

NO>>

GO TO 2.

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

  1. Turn ignition switch OFF.

  2. Disconnect FRP sensor harness connector.

  3. Turn ignition switch ON.

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

    FRP sensor

    Voltage

    (Approx.)
    Connector + −
    Terminal
    F85 1 3 5 V

Is inspection result normal?

YES>>

GO TO 7.

NO>>

GO TO 3.

CHECK FRP SENSOR POWER SUPPLY-2

Check the voltage between FRP sensor harness connector and ground.

+ −

Voltage

(Approx.)
FRP sensor
Connector Terminal
F85 1 Ground 5 V

Is inspection result normal?

YES>>

GO TO 5.

NO>>

GO TO 4.

CHECK FRP SENSOR POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

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

    FRP sensor ECM Continuity
    Connector Terminal Connector Terminal
    F85 1 F72 61 Existed

Is inspection result normal?

YES>>

Perform trouble diagnosis for power supply circuit.

NO>>

Repair or replace malfunctioning part.

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.

    FRP sensor ECM Continuity
    Connector Terminal Connector Terminal
    F85 3 F72 41 Existed

  4. Also check harness for short to power.

Is inspection result normal?

YES>>

GO TO 6.

NO>>

Repair or replace malfunctioning part.

CHECK ECM GROUND CIRCUIT

  1. Check the continuity between ECM harness connector and the ground.

    ECM Ground Continuity
    Connector Terminal
    F72 4 Ground Existed
    E21 156
    157
    160

  2. Also check harness for short to power.

Is inspection result normal?

YES>>

INSPECTION END

NO>>

Repair or replace malfunctioning part.

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.

    FRP sensor ECM Continuity
    Connector Terminal Connector Terminal
    F85 2 F72 58 Existed

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

Is inspection result normal?

YES>>

GO TO 8.

NO>>

Repair or replace malfunctioning part.

CHECK FRP SENSOR

Refer to Component Inspection.

Is inspection result normal?

YES>>

INSPECTION END

NO>>

Replace FRP sensor. Refer to Exploded View.

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