DongFeng H30, Manual, Page: 212 / 302

Maintenance of electrical applicances
22-63
6.3 The definition for the automatic air conditioning control module pins
Pins Signals
The
voltage
The
current
Remark
1 IG2 12V <2A
2 GND 0V <2A
3 MI+ 0V/12V 300mA
The Defrosting and foot servo motor positive
drive (high effective)
4 T- 0V/12V 300mA
The temperature servo motor negative drive
(high effective)
5 FRE 0V/12V 300mA
The cycle servo motor outer cycle drive (high
effective)
6 FOOT 0V-12V 300mA
The face blowing servo motor and foot blowing
drive (high effective)
7 A/C output 0V/12V <700mA Air compressor output (high effective)
8 Pressure switch 0V/12V 5mA The air conditioning pressure switch signal
9 M1 F/B 0V-5V 5mA
The defrosting and foot servo motor feed back
signal
10 Tout 1 0V-5V 2mA
The face outgoing air temperature sensor
signal
11 Incar 0V-5V 2mA The vehicle internal temperature sensor signal
12 TB 0V-5V 4mA The blower speed regulation drive signal
13 Solar 0V-5V 2mA The sun light sensor
14 Speed 0V/12V 2mA The vehicle speed signal
15
16 A/C request 0V/12V 5mA Air compressor request
17 IG2 12V <2A
18 SGND 0V <2A
19 T+ 0V/12V 300mA
The temperature servo motor positive drive
(high effective)
20 M1- 0V/12V 300mA
The Defrosting and foot servo motor
negative drive (high effective)
21 R/Defrost 0V/12V <150mA The back defrosting relay drive (low effective)
22 REC 0V/12V 300mA
The cycle servo motor inner cycle drive(high
effective)
23 VENT 0V/12V 300mA
The face blowing servo motor facing blowing
drive (high effective)
24 A/C response 0V/12V 5mA The air compressor reaction
25 T F/B 0V-5V 5mA The temperature servo motor feed back signal
26 AMB 0V-5V 2mA The ambient temperature sensor signal
27 Evap 0V-5V 2mA The evaporator sensor signal
28 Tout 2 0V-5V 2mA
The foot outgoing air temperature sensor
signal
29 Water 0V-12V 2mA The water temperature sensor signal
30 TC 0V-12V 5mA The blower voltage feed back signal
31 Lamp + 0V/12V 60mA The back light signal (positive)
32 +5V +5V 4mA 5V