Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B12b5-97 Frontal Collision
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (Trouble diagnosis content) | DTC Detection Condition | |
|---|---|---|---|
| B12B5-97 |
Frontal collision (Frontal collision) |
Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | Collision signal | ||
| Threshold | Frontal collision detected | ||
| Diagnosis delay time | 2 seconds or more. | ||
POSSIBLE CAUSE
Frontal collision
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
CHECK SELF DIAGNOSIS RESULT
CONSULT
-
Ignition switch ON.
-
Perform “Self diagnosis result” mode of “AIR BAG” using CONSULT.
Is malfunctioning part detected?
YES>>Refer to Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: Inspection End
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 unspecified tester or other measuring device.
PERFORM COLLISION DIAGNOSIS
Perform collision diagnosis. Refer to When SRS is activated in a collision or When SRS is not activated in a collision.
>>
GO TO 2.
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
When DTC B12B5-97 is detected, replace air bag diagnosis sensor unit.
>>
Replace air bag diagnosis sensor unit. Refer to Removal and Installation.
Other materials:
Ecm
Values On The Diagnosis Tool
VALUES ON THE DIAGNOSIS TOOLNOTE:
The following table includes information (items) inapplicable to this
Nissan Ariya vehicle. For information (items) applicable to this
vehicle, refer to CONSULT display items.
Numerical values in the following table are re ...
C1f00-1c Control Unit
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
C1F00
1C
CONTROL UNIT
(Control unit)
Diagnosis condition
When engine is running
Signal (terminal)
—
Threshold
ADAS control unit 2 internal malfunct ...
Egr Differential Pressure Sensor
Component Inspection
CHECK EGR DIFFERENTIAL PRESSURE SENSOR
Turn ignition switch OFF.
Remove EGR differential pressure sensor hose (intake and exhaust).
Install pressure pump to EGR differential pressure sensor port (intake side).
Turn ignition switch ON and check output voltage ...
