Nissan Sentra B18 (2020-2025) Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Security Control System :: Intelligent Key System / Dtc/circuit Diagnosis / B2070-68 Key Registration

Nissan Sentra B18 (2020-2025) Service Manual: B2070-68 Key Registration

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen items (Trouble diagnosis content)	DTC detecting condition
B2070–68	Key registration (Key registration)	Diagnosis condition	All time
		Signal (terminal)	—
		Threshold	Intelligent Key that does not match the Nissan Sentra vehicle is registered.
		Diagnosis delay time	1 second or less

POSSIBLE CAUSE

Improper registration operation
Intelligent Key
Intelligent Key unit

FAIL-SAFE

—

Confirmation Procedure

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE
1. CONSULT
  1. Perform initialization of Intelligent Key unit and registration of all Intelligent Keys. Refer to CONSULT immobilizer mode and follow the on-screen instructions.
  2. Select “Self Diagnostic Result” mode of “HANDS FREE MODULE”.
Is the 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

REPLACE INTELLIGENT KEY
1. CONSULT
  1. Replace Intelligent Key that matches the Nissan Sentra vehicle.
  2. Perform initialization of Intelligent Key unit and registration of Intelligent Key. Refer to CONSULT immobilizer mode and follow the on-screen instructions.
Is the inspection result normal?
YES >>
Inspection End.
NO >>
GO TO 2.
REPLACE INTELLIGENT KEY UNIT
1. Replace Intelligent Key unit. Refer to Removal and Installation.
>>
Inspection End.

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