Nissan Murano: Dtc/circuit Diagnosis / P0222 Tp Sensor

Nissan Murano (Z52) 2015-2024 Service Manual / Engine / Engine Control System :: Vq35de / Dtc/circuit Diagnosis / P0222 Tp Sensor

DTC Description

DTC DETECTION LOGIC

  • An excessively low voltage from the TP sensor 1 is sent to ECM.

  • An excessively high voltage from the TP sensor 1 is sent to ECM.

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P0222

TP SEN 1/CIRC-B1

(Throttle/Pedal position sensor/switch “B” circuit low) 		Diagnosis condition Start engine and let it idle
Signal (terminal) Voltage signal transmitted from TP sensor 1 to ECM
Threshold An excessively low voltage from the TP sensor 1 is sent to ECM
Diagnosis delay time —
P0223

TP SEN 1/CIRC-B1

(Throttle/Pedal position sensor/switch “B” circuit high) 		Diagnosis condition Start engine and let it idle
Signal (terminal) Voltage signal transmitted from TP sensor 1 to ECM
Threshold An excessively high voltage from the TP sensor 1 is sent to ECM
Diagnosis delay time —

POSSIBLE CAUSE

P0222

  • Harness or connectors (TP sensor 1 circuit is open or shorted.)

  • Electric throttle control actuator (TP sensor 1)

P0223

  • Harness or connectors (TP sensor 1 circuit is open or shorted.)

  • Electric throttle control actuator (TP sensor 1)

FAIL-SAFE

Engine operating condition in fail-safe mode
Fail safe mode Nissan Murano Vehicle behavior
Throttle position sensor

The ECM controls the electric throttle control actuator in regulating the throttle opening in order for the idle position to be within +10 degrees.

The ECM regulates the opening speed of the throttle valve to be slower than the normal condition.

Therefore, the acceleration will be poor.
DTC Confirmation Procedure

CHECK DTC PRIORITY

If DTC P0222 or P0223 is displayed with another DTC P0643, first perform the trouble diagnosis for DTC P0643.

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 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 10 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 Diagnosis Procedure.

NO>>

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

NO>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

CHECK DTC PRIORITY

If DTC P0222 or P0223 is displayed with another DTC P0643, first perform the trouble diagnosis for DTC P0643.

Is applicable DTC detected?

YES>>

Perform diagnosis of applicable. Refer to DTC Description.

NO>>

GO TO 2.

CHECK THROTTLE POSITION SENSOR 1 POWER SUPPLY

  1. Disconnect electric throttle control actuator harness connector.

  2. Turn ignition switch ON.

  3. Check the voltage between electric throttle control actuator harness connector and ground.

    + − Voltage
    Electric throttle control actuator
    Connector Terminal
    F50 5 Ground Approx. 5 V

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

GO TO 3.

CHECK THROTTLE POSITION SENSOR 1 POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

  3. Check the continuity between electric throttle control actuator and ECM harness connector.

    Electric throttle control actuator ECM Continuity
    Connector Terminal Connector Terminal
    F50 5 F79 98 Existed

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Repair or replace error-detected parts.

CHECK THROTTLE POSITION SENSOR 1 GROUND CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

  3. Check the continuity between electric throttle control actuator and ECM harness connector.

    Electric throttle control actuator ECM Continuity
    Connector Terminal Connector Terminal
    F50 4 F79 75 Existed

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

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair open circuit, short to ground or short to power in harness or connectors.

CHECK THROTTLE POSITION SENSOR 1 INPUT SIGNAL CIRCUIT

  1. Check the continuity between electric throttle control actuator and ECM harness connector.

    Electric throttle control actuator ECM Continuity
    Connector Terminal Connector Terminal
    F50 6 F79 71 Existed

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

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair open circuit, short to ground or short to power in harness or connectors.

CHECK THROTTLE POSITION SENSOR

Check throttle position sensor. Refer to Component Inspection.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Replace electric throttle control actuator. Refer to Removal and Installation.

Component Inspection

CHECK THROTTLE POSITION SENSOR

  1. Turn ignition switch OFF.

  2. Reconnect all harness connectors disconnected.

  3. Perform Description.

  4. Turn ignition switch ON.

  5. Set selector lever to D position.

  6. Check the voltage between ECM harness connector terminals under the following conditions.

    ECM Condition Voltage
    Connector + –
    Terminal Terminal
    F79 71 75 Accelerator pedal Fully released More than 0.36 V
    Fully depressed Less than 4.75 V
    72 Fully released Less than 4.75 V
    Fully depressed More than 0.36 V

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Replace electric throttle control actuator. Refer to Removal and Installation.

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