Nissan Rogue (T33) 2021-Present Service Manual: P1148 Closed Loop Control

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P1148 Closed Loop Control

DTC Description

DTC DETECTION LOGIC

NOTE:

DTC P1148 is displayed with DTC for A/F sensor 1.

When the DTC is detected, perform the trouble diagnosis of DTC corresponding to A/F sensor 1.

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P1148 00

CLOSED LOOP-B1

(Closed loop —b1) 		Diagnosis condition —
Signal (terminal) —
Threshold The closed loop control function does not operate even when Nissan Ariya vehicle is being driven in the specified condition
Diagnosis delay time —

POSSIBLE CAUSE

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

  • A/F sensor 1

  • A/F sensor 1 heater

FAIL-SAFE

Not applicable

DTC Confirmation Procedure

CHECK DTC PRIORITY

If DTC P1148 is displayed with another DTC for A/F sensor 1, perform the trouble diagnosis for the corresponding DTC.

Is applicable DTC detected?

YES>>

Perform diagnosis of applicable. Refer to DTC Index.

NO>>

INSPECTION END

DTC Diagnosis Procedure

DTC P1148 is displayed with DTC for A/F sensor 1.

When the DTC is detected, perform the trouble diagnosis of DTC corresponding to A/F sensor 1.

Refer to DTC Index.

    P10ca Internal Control Module Fuel Injector
    DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P10CA 00 Cylinder3 injector A (Cylinder3 injector A) Diagnosis c...
    P1197 Out of Gas
    DTC Description This diagnosis result is detected when the fuel level of the fuel tank is extremely low and the engine does not run normally.DTC DETECTION LOGIC DTC CONSULT scre...

    Other materials:

    Abs Branch Line Circuit
    Diagnosis Procedure CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side). ABS actuator and electric unit (control u ...

    Dtc/circuit Diagnosis. B2921-A2 Driver Seat Control Unit
    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detection condition B2921-A2 Driver seat control unit (Driver seat control unit) Diagnosis condition The power consumption control of driver seat control unit is in wake-up state ...

    Periodic Maintenance. Wheel Alignment
    Inspection DESCRIPTIONMeasure wheel alignment under unladen conditions.NOTE: “Unladen conditions” means that fuel, engine coolant, and lubricant are full. Spare tire, jack, hand tools and mats are in designated positions. PRELIMINARY CHECKCheck the following: Tires for improper air pre ...