Nissan Rogue (T33) 2021-Present Service Manual: P0098 Iat Sensor 2

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P0098 Iat Sensor 2

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P0098 00

IAT SENSOR 2 B1

(Intake air temperature sensor 2 circuit high bank 1) 		Diagnosis condition —
Signal (terminal) —
Threshold

ECM detects the following status continuously for 1 seconds or more:

A voltage signal transmitted from the intake air temperature sensor 2 is too high.
Diagnosis delay time 1 consecutive seconds

POSSIBLE CAUSE

  • Harness or connectors

    (Intake air temperature sensor 2 circuit is open or shorted.)

  • Intake air temperature sensor 2

FAIL-SAFE

Not applicable

DTC CONFIRMATION PROCEDURE

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.

TEST CONDITION:

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

>>

GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

  1. Start engine and let it idle for at least 5 seconds.

  2. Check 1st trip DTC.

Is 1st trip DTC detected?

YES>>

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 INTAKE AIR TEMPERATURE SENSOR 2 POWER SUPPLY CIRCUIT-I

  1. Turn ignition switch OFF.

  2. Disconnect turbocharger boost sensor harness connector.

  3. Turn ignition switch ON.

  4. Check the voltage between turbocharger boost sensor harness connector terminals.

    Turbocharger boost sensor

    Voltage

    (Approx.)
    Connector + −
    Terminal
    F94 4 3 5 V

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

GO TO 3.

CHECK INTAKE AIR TEMPERATURE SENSOR 2

Check intake air temperature sensor 2. Refer to Component Inspection.

Is the inspection result normal?

YES>>

Check intermittent incident. Refer to Intermittent Incident.

NO>>

Replace turbocharger boost sensor (with intake air temperature sensor 2). Refer to Exploded View.

CHECK INTAKE AIR TEMPERATURE SENSOR 2 POWER SUPPLY CIRCUIT-II

Check the voltage between turbocharger boost sensor harness connector terminal and ground.

+ −

Voltage

(Approx.)
Turbocharger boost sensor
Connector Terminal
F94 4 Ground 5 V

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

GO TO 6.

CHECK INTAKE AIR TEMPERATURE SENSOR 2 GROUND CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

  3. Check the continuity between turbocharger boost sensor harness connector and ECM harness connector.

    Turbocharger boost sensor ECM Continuity
    Connector Terminal Connector Terminal
    F94 3 F71 107 Existed

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace error-detected parts.

CHECK ECM GROUND CIRCUIT

Check the continuity between ECM harness connector and ground.

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

Is the inspection result normal?

YES>>

Check intermittent incident. Refer to Intermittent Incident.

NO>>

Repair or replace error-detected parts.

CHECK INTAKE AIR TEMPERATURE SENSOR 2 SIGNAL CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

  3. Check the continuity between turbocharger boost sensor harness connector and ECM harness connector.

    Turbocharger boost sensor ECM Continuity
    Connector Terminal Connector Terminal
    F94 4 F72 37 Existed

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

Is the inspection result normal?

YES>>

Check intermittent incident. Refer to Intermittent Incident.

NO>>

Repair or replace error-detected parts.

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