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:
NISSAN Intelligent Key® (if so equipped)
Replace the battery in the Intelligent Key as follows:
Remove the mechanical key from the Intelligent
Key.
Insert a small screwdriver A into the slit B
of the corner and twist it to separate the
upper part from the lower part. Use a cloth to
protect the casing.
Replace the battery wi ...
Plug
Description
Replace the O-ring if oil leakage or exudes from the plug.
Exploded View
Plug
O-ring
O-ring
Plug
: Always replace after every
disassembly.
: NВ·m (kg-m, ft-lb)
: NВ·m (kg-m, in-lb)
: Genuine NISSAN CVT Fluid NS-3
Removal and Installation
NOTE:
Replace ...
Keyfob (if so equipped)
Replace the battery in the keyfob as follows:
Remove the screw A .
Insert a small screwdriver into the slit of the
corner B and twist it to separate the upper
part from the lower part. Use a cloth to
protect the casing.
Replace the battery with a new one.
Do not touch the int ...
