Nissan Rogue (T33) 2021-Present Service Manual: 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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