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:
Additional service when removing battery negative terminal
Description
When the battery negative terminal is disconnected, the initialization is
necessary for normal operation of
power window system.
CAUTION:
The following specified operations can not be performed under the
non-initialized condition.
Auto-up operation
Anti-pinch function
Wo ...
Eps branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the eps control unit for damage,
bend and loose connection (unit
side and connector side).
Is the inspection result norm ...
A-bag branch line circuit
Diagnosis procedure
Warning:
Always observe the following items for preventing accidental
activation.
Before servicing, turn ignition switch off, disconnect battery
negative terminal, and wait 3 minutes
or more. (To discharge backup capacitor.)
Never use unspecified tester or other me ...
