Fiat 1996 Brava Service Manual page 577

Auxiliary units
Climate control
Bravo-Brava
98 range
50.
SYSTEM COMPONENTS
Electronic control unit
The electronic control unit manages the automatic operation of the system controlling the thermody-
namic parameters to produce a comfortable climate (temperature and humidity) for the occupants of the
vehicle.
At is located in the lower part of the duct-distributor assembly, fixed to it by t w o bolts and is easily
accessible from the passenger compartment. The connector for the diagnostic equipment is f o u n d next
to it.
Connector B Connector A
P4A06CH01
TERMINAL
1
2
3
4
5
6
7
8
9
10
11
12
FUNCTION
"MAX DEF"
Compressor engagement
Earth (NOT USED)
Ventilation potentiometer
Requested temperature po­
tentiometer
Treated temperature sensor
Engagement of recirculation
Diagnostic line K
Diagnostic line L
Potentiometer supply - 5V -
+30 from battery
Earth for sensors
TERMINAL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
FUNCTION
Earth (NOT USED)
Passenger compartment
temperature sensor
Outside temperature sensor
N.C.
Mixture actuator feed-back
Frost sensor
Instrument panel display
Fan operation'
Earth for electric fan
Mixture control (LO) - 5V -
Mixture control (Ml) - 5V -
Compressor operation
+ 15 from key
Recirculation engagement
control - 5V -
Recirculation exclusion
control - 5V -
Rearscreen
6
Print no. 506.670/16