Nissan Sentra B18 (2020-2025) Service Manual: B1000-49 Air Bag Diagnosis Sensor Unit
Dtc Description
DTC Description
DTC DETECTION LOGIC
|
DTC No. |
CONSULT screen items (Trouble diagnosis content) |
DTC Detection Condition |
|
|---|---|---|---|
|
B1000-49 |
Air bag diagnosis sensor unit (Air bag diagnosis sensor unit) |
Diagnosis condition |
When ignition switch is ON. |
|
Signal (terminal) |
— |
||
|
Threshold |
Air bag diagnosis sensor unit is malfunctioning |
||
|
Diagnosis delay time |
2 seconds or more. |
||
POSSIBLE CAUSE
Malfunction in air bag diagnosis sensor unit
FAIL-SAFE
—
Confirmation Procedure
Confirmation Procedure
-
CHECK SELF DIAGNOSTIC RESULT
-
CONSULT-
Ignition switch ON.
-
Select “Self Diagnostic Result” mode of “AIR BAG”.
-
Check for DTC.
-
Is malfunctioning part 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
Warning:
-
Before servicing, ignition switch OFF, disconnect battery negative terminal, and wait at least 3 minutes or more (to discharge backup capacitor).
-
Never use an unspecified tester or other measuring device.
-
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
-
-
Replace air bag diagnosis sensor unit. Refer to Removal and Installation.
-
Perform DTC confirmation procedure. Refer to DTC Confirmation Procedure.
-
Is DTC detected?
YES>>Check Intermittent incident. Refer to Intermittent Incident.
NO>>Inspection End.
-
Other materials:
Disassembly and Assembly. Fuel Level Sensor Unit
Fuel Level Sensor Unit
Exploded View
Exploded View
1.
Fuel filter and fuel pump
assembly
2.
Fuel level sensor u ...
Bcm (body Control Module)
List of Ecu Reference
List of ECU Reference
ECU
Reference
BCM
Values on the Diagnosis Tool
...
Bcm (body Control Module)
List of Ecu Reference
List of ECU Reference
ECU
Reference
BCM
Values on the Diagnosis Tool
...