Factory-style information for owners and repair work

Nissan Sentra techinfo

Find Nissan Sentra owner information, maintenance instructions, technical references, service procedures and useful repair pages in one clean online library.

Nissan Sentra B18 (2020-2025) Service Manual: B2001-45 Intelligent Key Unit

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC Detection Condition

B2001–45

Intelligent Key unit

(Intelligent Key unit)

Diagnosis condition

Ignition switch ON

Signal (terminal)

—

Threshold

Intelligent Key unit is internal malfunctioning

Diagnosis delay time

1 second or less

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 “B2001–45� is detected, replace Intelligent Key unit.

    >>

    Replace Intelligent Key unit. Refer to Removal and Installation.

    B2f06-15 Back Door/trunk Opener Switch
    Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detecting condition B2F06-15 Back door/trunk opener switch (Back...
    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...

    Other materials:

    Repairing Procedures and Precautions
    Fundamentals of Body Repair Fundamentals of Body Repair Fundamentals of Body Repair There are many kinds of damage caused by collisions.Therefore, the appropriate repair method for the damage should be selected. This section outlines repair methods of major damage and how to use ...

    U2152-87 Can Comm Err (adas Control Unit)
    Dtc Description DTC Description DESCRIPTION CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-Nissan Sentra vehicle multiplex communication line with high data communication speed and excellent error detection ability. Modern Nissan ...

    Forward-facing child restraint installation using the seat belts
    WARNING The three-point seat belt with Automatic Locking Retractor (ALR) must always be used when installing a child restraint in the Nissan Sentra. Failure to activate and use the ALR mode will prevent the child restraint from being properly secured. An unsecured or unstable restraint may tip ...