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:
Warning signals
To help prevent the vehicle from moving unexpectedly
by erroneous operation of the Intelligent
Key or to help prevent the vehicle from being
stolen, a chime or buzzer sounds from inside and
outside the vehicle and a warning light comes on
in the instrument panel.
When a chime or beep sounds ...
Steering switch (meter control switch) signal circuit
Diagnosis Procedure
Regarding wiring diagram information, refer to mwi-28, "wiring diagram".
1.Check combination meter input signal
Turn ignition switch on.
Measure voltage between the following terminals of the combination
meter.
Is the inspection result normal?
Yes &g ...
Timing chain
Exploded View
Timing chain slack guide
Timing chain tensioner
Timing chain
Oil pump drive chain
Crankshaft sprocket
Crankshaft key
Oil pump sprocket
Front cover
O-ring
O-ring
Valve timing control solenoid valve cover
O-ring
Valve timing control solenoid valve
(EXH)
...
