46 · Heating & A/C

Air conditioning (Control system): Description and operation (page 2 of 2)

Air conditioningControl system · page 2 of 2

Connector/Pin No.	Description	Input/Output
3	Hand of drive	Input
4	Distribution flaps position	Input
5	Heater coolant temperature	Input
6	External air temperature	Input
7	In-car air temperature	Input
8	Blower power transistor collector voltage	Input
9	Not used	-
10	Not used	-
11	Windscreen heater status	Input
12	Rear screen heater status	Input
13	Not connected	-
14	Driver's blend flaps position	Input
15	Passenger's blend flaps position	Input
16	LH solar heating load	Input
17	RH solar heating load	Input
18	Evaporator	Input
19	Not used	-
20	Not used	-
C0793
1	Blower power transistor base current	Output
2	Blower relay	Output
3	Windscreen heater request	Output
4	Rear screen heater request	Output
5	Passenger's blend flaps servo motor, drive to hot	Output
6	Driver's blend flaps servo motor, drive to hot	Output
7	Distribution flaps servo motor, drive to windscreen and side windows demist	Output
8	Fresh/Recirculated air servo motor, drive to recirculated air	Output
9	Cooling fan request (diesel models)	Output
10	Power relay	Output
11	Compressor clutch request	Output
12	Cooling fan request (V8 models)	Output
13	Passenger's blend flaps servo motor, drive to cold	Output
14	Driver's blend flaps servo motor, drive to cold	Output
15	Distribution flaps servo motor, drive to footwells	Output
16	Fresh/Recirculated air servo motor, drive to fresh air	Output

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