FixVault

HVAC Control Module, X1

Fig 1: HVAC Control Module, X1 Connector End Views
GM814534

Connector Part Information

Terminal Part Information

HVAC Control Module, X1

Pin Wire Color Circuit No. Function
1 WH - - Air Temperature Door Control A
2 PU - - Mode Door Control A
3 - - - - Not Used
4 GN - - Recirculation Door Control A
5 OG 1542 Battery Positive Voltage
6 YE/GN 839 Run/Crank Ignition 1 Voltage
7 BK - - Low Reference
8 GY - - Air Temperature Actuator Sensor Signal
9 YE - - Mode Actuator Sensor Signal
10 - - - - Not Used
11 BK/WH 66 A/C Request Signal
12 BK/WH 193 Rear Defog Relay Control
13 BU 292 Rear Defog Switch Signal
14-16 - - - - Not Used
17 RD - - Air Temperature Door Control B
18 BU/RD - - Mode Door Control B
19 - - - - Not Used
20 OG/YE - - Recirculation Door Control B
21 GN 1382 LED Dimming Signal
22 BN/BK - - 8-Volt Reference
23 YE/BK 1650 Ground
24-32 - - - - Not Used