HVAC Control Module X1 (CJ2)

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: HVAC Control Module X1 (CJ2)

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.35 WH/BK	5515	Inside Air Temperature Sensor Assembly Control
2-3	-	-	Not Used
4	0.35 D-GN	734	Inside Air Temperature Sensor Signal
5	0.35 GY	1548	Passenger Sunload Sensor Signal
6-10	-	-	Not Used
11	0.5 PK	2014	Coolant Pump Relay Control (HP2)
12-14	-	-	Not Used
15	0.35 L-BU/BK	590	Driver Sunload Sensor Signal
16	0.35 TN	516	Upper Left Air Temperature Sensor Signal
17	0.35 TN	517	Upper Right Air Temperature Sensor Signal
18-20	-	-	Not Used

Connector Part Information

Harness: Instrument Panel
OEM: 15491305
Service: 15126709
Description: 20-Way F USCAR 0.64 Series (BN)

Terminal Part Information

Terminal/Tray: 7116-4618-02/14
Core/Insulation Crimp: P/P
Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)