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.

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