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:

C1732-68 Tire Pressure Sensor Fr
Dtc Description DTC Description Note: The Signal Tech II Tool [– (NI-50190)] can be used to perform the following functions: Refer to the Signal Tech II User Guide for additional information. Activate and display TPMS sensor IDs Display tire pressure rep ...

Spark plugs
Replacing spark plugs WARNING Make sure the engine and ignition switch are OFF and the parking brake is securely applied before replacing spark plugs. CAUTION Always use the correct spark plug socket when removing spark plugs. Using an incorrect socket may damage the spark plugs or cylin ...

U0073 Control Module Comm Bus a Off
Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition ...