Nissan Sentra Service Manual: Symptom diagnosis

Nissan Sentra Service Manual / Body exterior, doors, roof & vehicle security / Security control system / Without intelligent key system / Symptom diagnosis

Nissan vehicle immobilizer systemnats symptoms

Symptom Table

Note:

Before performing the diagnosis in the following table, check вЂњSEC-171, "Work Flow"вЂќ.
Check that vehicle is under the condition shown in вЂњConditions of vehicleвЂќ before starting diagnosis, and check each symptom.
If the following symptoms are detected, check systems shown in the вЂњDiagnosis/service procedureвЂќ column in this order.

CONDITIONS OF VEHICLE (OPERATING CONDITIONS)

Mechanical key is not inserted into key cylinder.

Symptom	Diagnosis/service procedure	Reference page
Security indicator does not turn ON or flash.	Check vehicle security indicator	SEC-190
Security indicator does not turn ON or flash.	Check Intermittent Incident	GI-39

Dtc/circuit diagnosis

Power supply and ground circuit Diagnosis Procedure Refer to LAN-7, "CAN COMMUNICATION SYSTEM : System Description". Vehicle security indicator Description DTC DETECTION LOGIC NOTE: U ...

Removal and installation

Nats antenna amp Removal and installation REMOVAL Remove instrument finisher B. Refer to IP-14, "Exploded View". Using a suitable tool release the pawls on either side and remove the ...

Other materials:

LATCH (Lower Anchors and Tethers for CHildren) System
WARNINGFailure to follow the warnings and instructions for proper use and installation of child restraints could result in serious injury or death of a child or other passengers in a sudden stop or collision: Attach LATCH system compatible child restraints only at ...

U0140 Lost communication (BCM)
DTC Logic DTC DETECTION LOGIC DTC CONSULT screen terms [Trouble diagnosis content] DTC detection condition Possible causes U0140 LOST COMM (BCM) [Lost Communication With Body Control Module] When the ignition switch is ON, TCM is unable to receive the CAN ...

Power windows do not operate with power window main switch
Diagnosis Procedure 1.Check bcm power supply and ground circuit Check bcm power supply and ground circuit. Refer to bcs-67, "diagnosis procedure" (with intelligent key) or bcs-120, "diagnosis procedure" (without intelligent key). Is the inspection result normal? Yes & ...