Nissan Sentra B18 (2020-2025) Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Security Control System :: Intelligent Key System / Symptom Diagnosis / Engine Does Not Start When Intelligent Key Is Inside of Vehicle (one Key)

Nissan Sentra B18 (2020-2025) Service Manual: Engine Does Not Start When Intelligent Key Is Inside of Vehicle (one Key)

Diagnosis Procedure

Diagnosis Procedure

DESCRIPTION

Engine does not start when push-button ignition switch is pressed. (One Intelligent Key has the symptom, other keys operate normally.)

SYMPTOM TABLE (ONE INTELLIGENT KEY HAS THE SYMPTOM, OTHER KEYS OPERATE NORMALLY)

Door lock operation (remote keyless entry)	Door lock operation (request switch of front/rear/back door) or trunk/back door open operation (opener switch of trunk/back door panel)	Engine started with push-button ignition switch operation (Intelligent Key is within the detection area of inside key antenna)	Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch)
OK	OK	No crank, No start	No crank, No start

DIAGNOSIS PROCEDURE

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE
1. Check Intelligent Key system symptom table.
  
  Refer to Diagnosis Procedure.
>>
GO TO 2.
REGISTER INTELLIGENT KEY
1. CONSULT
  1. Register the Intelligent Key. Refer to CONSULT immobilizer mode and follow the on-screen instructions.
  2. Check operation after replacement.
Is the inspection result normal?
YES >>
Inspection End.
NO >>
GO TO 3.
REPLACE INTELLIGENT KEY
1. CONSULT
  1. Replace the Intelligent Key and perform registration again. Refer to CONSULT immobilizer mode and follow the on-screen instructions.
  2. Check operation after replacement.
Is the inspection result normal?
YES >>
Inspection End.
NO >>
GO TO 4.
REPLACE INTELLIGENT KEY UNIT
1. 1. Replace Intelligent Key unit. Refer to Removal and Installation.
  2. Check operation after replacement.
Is the inspection result normal?
YES >>
Inspection End.
NO >>
Check intermittent incident. Refer to Intermittent Incident.

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