Description And Operation; Selector Lever Position Sensor - Fiat Bravo Service Manual

Auto transmission and differential

Description and operation

21-27
S E L E C T O R L E V E R POSITION SENSOR
The sensor, located at the top of the gearbox casing, detects the position of the selector lever (to w h i c h
it is connected mechanically) and informs the control module via an appropriate electrical signal.
The module lights up the warning light on the instrument panel.
* d a l
teleruttore Fjl
I H i — i
a
motore aw.
5 4 3 2
1 0 [ 9 | 8 | 7
Lever p o s i t i o n s e n s o r c o n n e c t o r ( v i e w
of c o n t a c t s i d e )
28
Gearbox sensors/actua-
tors connector (view of
contact side)
1
1
The resistance of the line pressure control
solenoid STH can be measured by dis-
connecting the connector and connect-
ing an ohmmeter as shown in the figure.
Resistance: 3.5 ± 0.2 ohm at 25 C
The sensor also switches on the
reversing lights when reverse is
engaged, and enables the starter
motor only when the selector
lever is at position N or P.
The combination output sig-
nals present on the various ter-
minals of the sensor is s h o w n
in the f o l l o w i n g table.
P4A28AB05
Connectors
Start.
6 10
Terminals
Signals S T M
P P P P P P P P
R R R R R R R R
N N N N N N N N
D D D D D D D D
3 3 3 3 3 3 3 3
2 2 2 2 2 2 2 2
1 1 1 1 1 1 1 1
Brava 16v
P4A28AB03
R E V E 1 S E
7 9 8 1 2 3
D E
IG A B C
Publication no. 506.670/06
4
PA