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Nissan Sentra B18 (2020-2025) Service Manual: B2002-43 Intelligent Key Unit

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC Detection Condition

B2002–43

Intelligent Key unit

(Intelligent Key unit)

Diagnosis condition

Ignition switch ON

Signal (terminal)

—

Threshold

Intelligent Key unit is internal malfunctioning

Diagnosis delay time

—

POSSIBLE CAUSE

Intelligent Key unit

FAIL-SAFE

—

Confirmation Procedure

Confirmation Procedure

  1. PERFORM DTC CONFIRMATION PROCEDURE

    1. CONSULT

      1. Erase DTC.

      2. Ignition switch OFF.

      3. Ignition switch ON.

      4. Select “Self Diagnostic Result” mode of “HANDS FREE MODULE”.

    Is DTC detected?

    YES>>

    Refer to DTC Diagnosis Procedure.

    NO>>

    To check malfunction symptom before repair. Refer to Intermittent Incident.

    NO>>

    Confirmation after repair: Inspection End.

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

  1. REPLACE INTELLIGENT KEY UNIT

    1. When DTC “B2002–43” is detected, replace Intelligent Key unit.

    >>

    Replace Intelligent Key unit. Refer to Removal and Installation.

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