Nissan Sentra Service Manual: Symptom diagnosis
Nissan vehicle immobilizer systemnats symptoms
Symptom Table
Note:
- Before performing the diagnosis in the following table, check “SEC-171, "Work Flow"”.
- Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and check each symptom.
- If the following symptoms are detected, check systems shown in the “Diagnosis/service procedure” 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. |
|
SEC-190 |
|
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:
Does not stop fully-open or fullyclosed
position
Diagnosis procedure
1. Perform initialization procedure
Perform initialization procedure.
Refer to RF-18, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair
Requirement".
Is the inspection result normal?
YES >> Inspection End.
NO >> Perform basic ins ...
Basic inspection
Diagnosis and repair workflow
Work Flow
Detailed flow
1.Interview from the customer
Clarify customer complaints before inspection. First of all,
perform an interview utilizing stc-20, "diagnostic
work sheet" and reproduce symptoms as well as fully understand it. Ask customer
abou ...
Dtc/circuit diagnosis
Eco mode switch
Component function check
1. Check eco mode switch operation
Turn ignition switch on.
Check ECO mode indicator lamp turns ON/OFF on combination meter when
turn ECO mode switch ON/
OFF.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Proceed to DM ...
