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Nissan Sentra B18 (2020-2025) Service Manual: P026b Injection Timing

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P026B

Injection timing

(Injection Timing Performance)

Diagnosis condition

—

Signal

—

Threshold

ECM does not control fuel injection timing properly when engine is running (except engine cold start).

Diagnosis delay time

1 second

POSSIBLE CAUSE

ECM

FAIL-SAFE

Not applicable

Confirmation Procedure

Confirmation Procedure

  1. PERFORM DTC CONFIRMATION PROCEDURE

    Start engine and drive the vehicle as per the similar conditions to Freeze Frame Data for 5 seconds.

    Hold the accelerator pedal as steady as possible.

    CAUTION:

    Always drive Nissan Sentra vehicle in safe manner according to traffic conditions and obey all traffic laws when driving.

    • COOLANT TEMP

    • ENGINE SPEED

    • CAL/LD VALUE

    Is 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

DTC Diagnosis Procedure

  1. REPLACE ECM

    1. Replace ECM. Refer to ECM : Removal & Installation.

    2. Refer to Work Procedure.

    >>

    INSPECTION END

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