Nissan Sentra B18 (2020-2025) Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock :: Symptom Diagnosis / Intelligent Key Button Operation Has Poor Range (all Keys)

Nissan Sentra B18 (2020-2025) Service Manual: Intelligent Key Button Operation Has Poor Range (all Keys)

Description

Intelligent Key button operation has poor range.

SYMPTOM TABLE (BOTH INTELLIGENT KEYS HAVE THE SAME SYMPTOMS)


Door lock operation (remote keyless entry)	Door lock operation (request switch) or trunk open operation (opener switch of trunk lid)	Engine started with push-button ignition switch operation (registered 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)
Poor range	OK	OK	OK

DIAGNOSIS PROCEDURE

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE
1. Check Intelligent Key system symptom table.
  
  Refer to Diagnosis Procedure.
>>
GO TO 2.
CHECK INTELLIGENT KEY LOW BATTERY WARNING
1. Check that the Intelligent Key low battery warning operates.
Is the Intelligent Key low battery warning operated?
YES >>
GO TO 3.
NO >>
Replace Intelligent Key battery.
CHECK INTELLIGENT KEY BATTERY
1. Check the Intelligent Key battery.
  
  Refer to Component Inspection.
Is the inspection result normal?
YES >>
GO TO 4.
NO >>
Replace Intelligent Key battery.
REMOTE AFTERMARKET DEVICE
1. 1. If the Nissan Sentra vehicle is equipped with any interference-generating aftermarket device such as a vehicle security system, charger and remote engine starter etc., remove them.
  2. Check operation after replacement.
Is the inspection result normal?
YES >>
Inspection End.
NO >>
GO TO 5.
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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