Nissan Sentra B18 (2020-2025) Service Manual: P161d Immobilizer

Nissan Sentra B18 (2020-2025) Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Security Control System :: Intelligent Key System / Dtc/circuit Diagnosis / P161d Immobilizer

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen items (Trouble diagnosis content)	DTC detecting condition
P161D	IMMOBILIZER (Immobilizer)	Diagnosis condition	Ignition switch ON
		Signal (terminal)	—
		Threshold	When key registration has not been completed normally after replacing Intelligent Key unit.
		Diagnosis delay time	1 second or less

POSSIBLE CAUSE

Improper key registration operation
ECM
Intelligent Key unit

FAIL-SAFE

—

Confirmation Procedure

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE
1. CONSULT
  1. Ignition switch ON.
  2. Select “Self Diagnostic Result” mode of “ENGINE”.
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

INTELLIGENT KEY REGISTRATION
1. CONSULT
  1. Perform registration of all Intelligent Keys.
    
    For registration procedures, refer to CONSULT immobilizer mode and follow the on-screen instructions.
  2. Erase DTC.
  3. Perform DTC confirmation procedure for DTC P161D. Refer to Confirmation Procedure.
Is DTC P161D detected?
YES>>
GO TO 2.
NO>>
Inspection End.
REPLACE INTELLIGENT KEY UNIT
1. CONSULT
  1. Replace Intelligent Key unit. Refer to Removal and Installation.
  2. Erase DTC.
  3. Perform DTC confirmation procedure for DTC P161D. Refer to Confirmation Procedure.
  4. Check that the DTC is not detected.
>>
Inspection End.

B2fa9-11 Shift Position

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P161f Immobilizer

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