Nissan Rogue (T33) 2021-Present Service Manual: P2138 App Sensor

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P2138 App Sensor

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P2138 00

APP SENSOR

(Throttle/Pedal position sensor/switch D / E voltage correlation) 		Diagnosis condition Engine running at idle
Signal (terminal) Accelerator pedal position sensor 1, 2 signal
Threshold Rationally incorrect voltage is sent to ECM compared with the signals from APP sensor 1 and APP sensor 2
Diagnosis delay time —

POSSIBLE CAUSE

  • Harness or connector

    • APP sensor 1 or 2 circuit is open or shorted.

    • Sensor power supply 2 circuit is shorted.

  • Accelerator pedal position sensor (APP sensor 1 or 2)

  • Each sensor, connected with sensor power supply 2 circuit

  • Sensor power supply 1 and 2 circuit

FAIL-SAFE

Engine Control System

Fail safe mode Nissan Ariya Vehicle behavior
Device fix mode

  • This mode fixes the electric IVT control actuator and the EVT control solenoid valve in the reference position.

  • A control signals is not transmitted to the EGR volume control valve and the EGR volume control is deactivated.

Stop/Start System

Not applicable

DTC Confirmation Procedure

CHECK DTC PRIORITY

If DTC P2138 is displayed with DTC P06B0, first perform the trouble diagnosis for DTC P06B0.

Is applicable DTC detected?

YES>>

Perform diagnosis of applicable. Refer to DTC Description.

NO>>

GO TO 2.

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 more than 8 V at idle.

>>

GO TO 3.

PERFORM DTC CONFIRMATION PROCEDURE

  1. Start engine and let it idle for 1 second.

  2. Check DTC.

Is 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

CHECK DTC PRIORITY

If DTC P2138 is displayed with DTC P06B0, first perform the trouble diagnosis for DTC P06B0.

Is applicable DTC detected?

YES>>

Perform diagnosis of applicable. Refer to DTC Description.

NO>>

GO TO 2.

CHECK APP SENSOR 1 POWER SUPPLY

  1. Turn ignition switch OFF.

  2. Disconnect accelerator pedal position (APP) sensor harness connector.

  3. Turn ignition switch ON.

  4. Check the voltage between APP sensor harness connector and ground.

    + −

    Voltage

    (Approx.)
    APP sensor
    Connector Terminal
    E25 3 Ground 5 V

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

GO TO 3.

CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

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

    + − Continuity
    APP sensor ECM
    Connector Terminal Connector Terminal
    E25 3 E21 154 Existed

  4. Also check harness for short to ground.

Is the inspection result normal?

YES>>

Perform the trouble diagnosis for power supply circuit.

NO>>

Repair or replace error-detected parts.

CHECK APP SENSOR 2 POWER SUPPLY

Check the voltage between APP sensor harness connector and ground.

+ −

Voltage

(Approx.)
APP sensor
Connector Terminal
E25 2 Ground 5 V

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

GO TO 5.

CHECK SENSOR POWER SUPPLY 2 CIRCUIT

Refer to DTC Diagnosis Procedure.

Is inspection result normal?

YES>>

Perform the trouble diagnosis for power supply circuit.

NO>>

Repair or replace error-detected parts.

CHECK APP SENSOR GROUND CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

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

    + − Continuity
    APP sensor ECM
    Connector Terminal Connector Terminal
    E25 5 E21 159 Existed
    6 152

  4. Also check harness for short to power.

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

Repair or replace error-detected parts.

CHECK APP SENSOR INPUT SIGNAL CIRCUIT

  1. Check the continuity between APP sensor harness connector and ECM harness connector.

    + − Continuity
    APP sensor ECM
    Connector Terminal Connector Terminal
    E25 1 E21 151 Existed
    4 158

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

Is the inspection result normal?

YES>>

GO TO 8.

NO>>

Repair or replace error-detected parts

CHECK APP SENSOR

Check the APP sensor. Refer to Component Inspection.

Is the inspection result normal?

YES>>

Check intermittent incident. Refer to Intermittent Incident.

NO>>

Replace accelerator pedal assembly. Refer to Removal and Installation.

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