Nissan Sentra B18 (2020-2025) Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock :: Dtc/circuit Diagnosis / B2046-42 Eeprom

Nissan Sentra B18 (2020-2025) Service Manual: 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 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
Mistook the "Re programming"

FAIL-SAFE

—

Confirmation Procedure

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

PERFORM "REPROGRAMING"
1. CONSULT
  1. Perform "Reprograming".
  2. Erase DTC.
  3. Ignition switch OFF.
  4. Ignition switch ON.
  5. Select “Self Diagnostic Result” mode of “HANDS FREE MODULE”.
Is DTC detected?
YES>>
GO TO 2.
NO>>
Inspection End.
REPLACE INTELLIGENT KEY UNIT
1. Replace Intelligent Key unit. Refer to Removal and Installation.
>>
Inspection End.

 B2040-14 Outside Antenna

Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detecting condition B2040–14 Outside antenna (Outside antenna)...

 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 Pro...

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