Heating, Ventilation, and Air Conditioning

Heater and A/C Control Unit (Manual) Components and Component Location

~1min read

Components

Connector Terminal Function
Connector Pin No. Function Connector Pin No. Function
Connector (A) 1 Medium High Connector (B) 1 Tail Light (ILL+)
2 - 2 Battery
3 GROUND 3 Mode Actuator (VENT)
4 High 4 Mode Actuator (DEF)
5 Medium Low 5 Temperature Actuator (COOL)
6 Low 6 Temperature Actuator (WARM)
X 7 Intake Actuator (FRE)
8 Intake Actuator (REC)
9 -
10 -
11 Mode Actuator (F/B)
12 Temperature Actuator (F/B)
13 Intake Actuator (F/B)
14 Blower Motor Ground (-)
15 Blower F/B
16 Rheostat (ILL-)
17 IG2
18 -
19 Can (HIGH)
20 Can (LOW)
21 -
22 ECV IN
23 ECV OUT
24 -
25 Vref (+5V)
26 Evaporator sensor
27 Ambient Sensor
28 -
29 -
30 -
31 Sensor Ground
32 GROUND

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