Nissan Sentra B18 (2020-2025) Service Manual: Diagnosis Procedure

Nissan Sentra B18 (2020-2025) Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock :: Symptom Diagnosis / Door Does Not Lock/unlock and Engine Does Not Start (req Sw/push Sw) (all Keys) / 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 OUTSIDE KEY ANTENNA AND INSIDE KEY ANTENNA
1. Use SIGNAL TECH II to check each outside key antenna and inside key antenna. 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 >>
Repair or replace the malfunctioning parts.
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.

Description

Description All doors do not lock/unlock using door request switch or trunk does not open using trunk opener request switch, and engine does not start when push-button ignition switch is ...

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

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