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:
B24b4-02 A/c Control
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
...
Final Drive
Exploded View
Exploded View
1.
Shim
2.
Differential side bearing
outer race (transaxle case side)
...
Stop Lamp Switch
Component Inspection
Component Inspection
CHECK STOP LAMP SWITCH 1
Ignition switch OFF.
Disconnect stop lamp switch connector.
Check continuity betwe ...