Nissan Sentra B18 (2020-2025) Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock :: Symptom Diagnosis / Door Does Not Lock/unlock with Intelligent Key (one Key)

Nissan Sentra B18 (2020-2025) Service Manual: Door Does Not Lock/unlock with Intelligent Key (one Key)

Description

All doors do not lock/unlock using Intelligent Key button. (One Intelligent Key has the symptom, other keys operate normally.)

Note:

Before starting diagnosis check that Nissan Sentra vehicle condition is as shown in “Conditions of vehicle”, and check each symptom.

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


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 (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)
NG	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 OUTPUT SIGNAL
1. Use SIGNAL TECH II to check Intelligent Key output signal. For the inspection method and how to use SIGNAL TECH II, refer to “NISSAN/INFINITI SIGNAL TECH II USER GUIDE”.
Is the inspection result normal?
YES >>
GO TO 3.
NO >>
Replace Intelligent Key.
REGISTER INTELLIGENT KEY
1. 1. Register the Intelligent Key again.
  2. Check operation after replacement.
Is the inspection result normal?
YES >>
Inspection End.
NO >>
GO TO 4.
REPLACE INTELLIGENT KEY
1. 1. Replace the Intelligent Key and perform registration again.
  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.

 Intelligent Key Button Operation Has Poor Range (all Keys)

Description Description Intelligent Key button operation has poor range. SYMPTOM TABLE (BOTH INTELLIGENT KEYS HAVE THE SAME SYMPTOMS) Door lock operation (remote keyless entry) ...

 Door Does Not Lock/unlock and Engine Does Not Start (one I-Key/req Sw/push Sw)

Description Description All doors do not lock/unlock using door request switch or trunk does not open using trunk opener request switch, Intelligent Key, and engine does not sta...

Other materials:

Stop Lamp Switch
Component Inspection Component Inspection CHECK STOP LAMP SWITCH Ignition switch OFF. Disconnect stop lamp switch connector. Check continuity between ...

Front Passenger Air Bag Module
Exploded View Exploded View 1. Instrument panel assembly 2. Front passenger air bag module ...

Brake Lines and Cables
Inspection Inspection BRAKE LINE Check brake line (tubes and hoses) for cracks, deterioration or other damage. Replace any damaged parts. Check for brake fluid leaks by fully depressing brake pedal while engine is running. CAUTION: ...