Nissan Sentra B18 (2020-2025) Service Manual: P161f Immobilizer
Dtc Description
DTC Description
DTC DETECTION LOGIC
|
DTC No. |
CONSULT screen items (Trouble diagnosis content) |
DTC detecting condition |
|
|---|---|---|---|
|
P161F |
IMMOBILIZER (Immobilizer) |
Diagnosis condition |
Ignition switch ON |
|
Signal (terminal) |
— |
||
|
Threshold |
When Intelligent Key unit detects an immobilizer malfunction and engine start is prohibited. |
||
|
Diagnosis delay time |
1 second or less |
||
POSSIBLE CAUSE
ECM
FAIL-SAFE
Inhibit engine cranking
Confirmation Procedure
Confirmation Procedure
-
PERFORM DTC CONFIRMATION PROCEDURE
-
CONSULT-
Ignition switch ON.
-
Select “Self Diagnostic Result” mode of “ENGINE”.
-
Is DTC detected?
YES>>Refer to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End.
-
Dtc Diagnosis Procedure
DTC Diagnosis Procedure
-
REPLACE ECM
-
CONSULT
Replace ECM. Refer to Removal and Installation.
Inspection End.
-
Other materials:
Unit Disassembly and Assembly
Front Combination Lamp
Exploded View
Exploded View
1.
Front combination lamp
2.
Turn/parking lamp bulb
...
Body Control System. Preparation. Preparation. Special Service Tool
Preparation. Special Service Tool
Special Service Tool
Special Service Tool
The actual shape of the tools may differ from those
illustrated here.
Tool number
(TechMate No.)
Tool name
...
Fuel Tank Temperature Sensor
Component Inspection
Component Inspection
CHECK FUEL TANK TEMPERATURE (FTT)
SENSOR
Turn ignition switch OFF.
Disconnect fuel level sensor unit and
fuel pump harness connector.
Remov ...