Nissan Rogue (T33) 2021-Present Service Manual: P0131 A/f Sensor 1

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P0131 A/f Sensor 1

DTC Description

DTC DETECTION LOGIC

To judge the malfunction, the diagnosis checks that the A/F signal computed by ECM from the A/F sensor 1 signal is not inordinately low.

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P0131 00

HO2S1 (B1)

(O2 sensor circuit low voltage bank 1 sensor 1) 		Diagnosis condition —
Signal (terminal) A/F sensor 1 signal
Threshold The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 0 V
Diagnosis delay time —

POSSIBLE CAUSE

  • Harness or connectors (The A/F sensor 1 circuit is open or shorted.)

  • The A/F sensor 1

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.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 10.5 V at idle.

>>

GO TO 2.

CHECK A/F SENSOR FUNCTION

With CONSULT

  1. Start engine and warm it up to normal operating temperature.

  2. Select “A/F SEN1 (B1)” in “DATA MONITOR” mode of “ENGINE” using CONSULT.

  3. Check “A/F SEN1 (B1)” indication.

With GST

Follow the procedure “With CONSULT” above.

Is the indication constantly approx. 0 V?

YES>>

Proceed to DTC Diagnosis Procedure

NO>>

GO TO 3.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

  1. Turn ignition switch OFF, wait at least 10 seconds and then restart engine.

  2. Drive and accelerate Nissan Ariya vehicle to more than 40 km/h (25 MPH) within 20 seconds after restarting engine.

    CAUTION:

    Always drive Nissan Ariya vehicle at a safe speed.

  3. Maintain the following conditions for about 20 consecutive seconds.

    ENG SPEED 1,000 - 3,200 rpm
    VHCL SPEED SE More than 40 km/h (25 mph)
    B/FUEL SCHDL 1.5 - 9.0 msec
    Selector lever Suitable position

    NOTE:

    • Keep the accelerator pedal as steady as possible during the cruising.

    • If this procedure is not completed within 1 minute after restarting engine at step 1, return to step 1.

  4. Check 1st trip DTC.

With GST

Follow the procedure “With CONSULT” above.

Is 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

CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY

  1. Turn ignition switch OFF.

  2. Disconnect A/F sensor 1 harness connector.

  3. Turn ignition switch ON.

  4. Check the voltage between A/F sensor 1 harness connector and ground.

    + − Voltage
    A/F sensor 1
    Connector Terminal
    F18 4 Ground Battery voltage

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect IPDM E/R harness connector.

  3. Check the continuity between A/F sensor 1 harness connector and IPDM E/R harness connector.

    + − Continuity
    A/F sensor 1 IPDM E/R
    Connector Terminal Connector Terminal
    F18 4 F35 75 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 A/F SENSOR 1 INPUT SIGNAL CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

  3. Check the continuity between A/F sensor 1 harness connector and ECM harness connector.

    + − Continuity
    A/F sensor 1 ECM
    Connector Terminal Connector Terminal
    F18 1 F72 56 Existed
    2 60

  4. Check the continuity between A/F sensor 1 harness connector and ground, or ECM harness connector and ground.

    + − Continuity
    A/F sensor 1
    Connector Terminal
    F18 1 Ground Not existed
    2
    + − Continuity
    ECM
    Connector Terminal
    F72 56 Ground Not existed
    60

  5. Also check harness for short to power.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace error-detected parts.

CHECK INTERMITTENT INCIDENT

Perform Intermittent Incident. Refer to Intermittent Incident.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace error-detected parts.

REPLACE AIR FUEL RATIO (A/F) SENSOR 1

Replace air fuel ratio (A/F) sensor 1. Refer to Exploded View.

>>

INSPECTION END

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