Bravo-Brava @i
16v
Engine
Fuel system
10.
Wiring connector
The numbers in squares indicate the corre
sponding control unit pins.
Checking resistance
The sensor's resistance can be measured by
connecting an ohmmeter between pins A and
C of the sensor.
f
C D i
pA/W-< *
[
e—
o
P4A33CJ02
Resistance: 0-1200 ohm ± 20% at 23 C
Recovery
A value is assumed which is calculated in ac
cordance with the pressure present in the in
let manifold; if the pressure sensor is also
faulty, a throttle aperture angle of about 50° is
established as a fixed value.
The strategies of gradual reduction of rpm at
idling speed (dashpot) are inhibited.
Self-adaptivity of idle speed is inhibited.
Self-adaptivity of the mixture strength is in
hibited.
Removing-refitting
Undo the two bolts and remove the sensor.
NOTE
The sensor is secured to the throttle
body by means of two lugs in which
there are two non-slotted holes; it is
therefore hot necessary to make any
adjustment to its angle position as
the control unit itself, by means of
appropriate self-adaptive algorithms,
recognizes the fully closed or fully
open position of the throttle.
NOTE
Whenever the potentiometer bolts are slackened or removed, they must be replaced as the
thread is coated with a thin layer of Loctite which ensures only once that they lock.
Copyright Fiat Auto
VI -96 - Update
33