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:
Wiring diagram
Power door lock system
Wiring diagram
Intelligent key system
Wiring diagram
Trunk lid opener
Wiring diagram
...
DTC/Circuit diagnosis
POSITION SWITCH
BACK-UP LAMP SWITCH
BACK-UP LAMP SWITCH : Component Inspection
1.CHECK BACK-UP LAMP SWITCH
Disconnect position switch harness connector. Refer to TM-21, "Removal
and Installation".
Check continuity between position switch terminals.
Is the inspection ...
Component parts
Component Parts Location
BCM (view under instrument panel
on the left side of the vehicle)
Front power window motor LH (RH
similar) (view with front door finisher
removed)
Rear power window motor LH (RH
similar) (view with rear door finisher
removed)
Main power window and do ...
