S Nissan Sentra Manuals Library
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.

Quick access Sentra Docs
B18 Owner's 2020-2025 Sentra owner information B18 Service 2020-2025 Sentra Workshop manual B17 Owner's 2013-2019 Sentra owner documentation B17 Service 2013-2019 Sentra service information

Nissan Sentra B18 (2020-2025) Service Manual: B2046-46 Eeprom

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC Detection Condition

B2046–46

EEPROM

(Electrically Erasable Programmable Read-Only Memory)

Diagnosis condition

Ignition switch ON

Signal (terminal)

—

Threshold

EEPROM in Intelligent Key unit is 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 “B2046–46” is detected, replace Intelligent Key unit.

    >>

    Replace Intelligent Key unit. Refer to Removal and Installation.

    B2046-42 Eeprom
    Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC Detection Condition B2046–42 EEPROM (Electrically Erasable Pro...
    B2046-55 Eeprom
    Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC Detection Condition B2046–55 EEPROM (Electrically Erasable Pro...

    Other materials:

    Low Tire Pressure Warning Lamp Does Not Turn Off
    Symptom Description Symptom Description The low tire pressure warning lamp does not turn OFF after several seconds is passed after the engine starts. Diagnosis Procedure Diagnosis Procedure CHECK TIRE PRESSURE Ignition switch ...

    Front Auxiliary Input Jacks
    Diagnosis Procedure Diagnosis Procedure AUX JACK CHECK AUX JACK HARNESS CONTINUITY Ignition switch OFF. Disconnect AV control unit connector and front auxiliary input j ...

    Diagnosis System (bcm)
    Common Item Consult Function (bcm - Common Item) CONSULT Function (BCM - COMMON ITEM) BCM Refer to CONSULT Function (BCM - COMMON ITEM). Int Lamp Consult Function (bcm - Int Lamp) CON ...