System Components - Fiat Bravo Service Manual

Auxiliary units
Climate control
50.
S Y S T E M C O M P O N E N T S
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
TERMINAL
1 " M A X DEF"
Compressor engagement
2
Earth (NOT USED)
3
Ventilation potentiometer
4
Requested temperature po-
5
tentiometer
6 Treated temperature sensor
7 Engagement of recirculation
8 Diagnostic line K
9 Diagnostic line L
Potentiometer supply - 5V -
10
11 + 3 0 from battery
12 Earth for sensors
6
F U N C T I O N
Connector A
TERMINAL
1 Earth (NOT USED)
Passenger
2
temperature sensor
3 Outside temperature sensor
4 N.C.
Mixture actuator feed-back
5
6 Frost sensor
7 Instrument panel display
8 Fan operation'
9 Earth for electric fan
10 Mixture control (LO) - 5V -
11 Mixture control ( M l ) - 5V -
12 Compressor operation
13 + 15 from key
Recirculation
14
control - 5V -
Recirculation
15
control - 5V -
16 Rearscreen
Bravo-Brava
98 range
P4A06CH01
F U N C T I O N
compartment
engagement
exclusion
Print no. 506.670/16