Nissan Sentra Service Manual: B142X Collision detection
Description
DTC B142X COLLISION DETECTION
The air bag diagnosis sensor unit will set this DTC if it has detected a collision which has resulted in a deployment of one or more air bags or pre-tensioners. If this DTC is detected after a SRS repair, the air bag diagnosis sensor unit has not yet been replaced. This DTC can not be erased.
PART LOCATION
Refer to SRC-5, "Component Parts Location".
DTC Logic
DTC DETECTION LOGIC
With CONSULT
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.CHECK SELF-DIAG RESULT
Check for the DTC on CONSULT.
Is the DTC detected? YES >> Refer to SRC-98, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
Refer to SR-5, "For Frontal Collision" or SR-7, "For Side and Rollover Collision".
B142A Ignition voltage
Description
DTC B142A IGNITION VOLTAGE
Ignition voltage is supplied to the air bag diagnosis sensor unit when the
ignition is in the ON position. The air
bag diagnosis sensor unit will monitor f ...
B14XX Air bag diagnosis sensor unit
Description
DTC B14XX AIR BAG DIAGNOSIS SENSOR UNIT
The air bag diagnosis sensor unit will run self diagnostics when the ignition
switch is turned ON. It has the
potential to set many diagnostic ...
Other materials:
Rear seat
Exploded View
Rear seatback assembly (RH)
Seatback striker
Seatback latch release knob
Seatback latch assembly
Seatback silencer (RH)
Rear seatback frame (RH)
Seatback latch release knob finisher
Rear seat bolster trim (RH)
Rear seat bolster pad (RH)
Rear seat bolster (RH)
...
Service
Never use electrical test equipment to check SRS circuits unless
instructed to in this Service Manual.
Before servicing the SRS, turn power switch OFF, disconnect battery
negative terminal and wait 3 minutes
or more.
For approximately 3 minutes after the cables are removed, it is stil ...
P0014 EVT control
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0014 is displayed with DTC P0078, first perform trouble
diagnosis for DTC P0078. Refer to
EC-183, "DTC Logic".
If DTC P0014 is displayed with P1078, first perform trouble diagnosis
for P1078. Refer to EC-359,
"DTC Logic&quo ...