Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B2046-42 Eeprom

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

DTC CONFIRMATION PROCEDURE

DTC CONFIRMATION

CONSULT

  1. Erase DTC.

  2. Ignition switch OFF.

  3. Ignition switch ON.

  4. Select “Self diagnosis result” mode of “INTELLIGENT KEY”.

Is DTC detected?

YES>>

Refer 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

PERFORM "ECU REPROGRAMMING"

CONSULT

  1. Select “ECU Reprogramming” mode of “INTELLIGENT KEY”.

  2. Erase DTC.

  3. Ignition switch OFF.

  4. Ignition switch ON.

  5. Select “Self diagnosis result” mode of “INTELLIGENT KEY”.

Is DTC detected?

YES>>

GO TO 2.

NO>>

Inspection End.

REPLACE INTELLIGENT KEY UNIT

Replace Intelligent Key unit. Refer to Removal and Installation.

>>

Inspection End.

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