HVAC Control Module X2 (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 X2 (CJ2)

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.35 RD/WH	3340	Battery Positive Voltage
2-3	-	-	Not Used
4	0.35 L-GN/BK	735	Outside Ambient Air Temperature Sensor Signal
5	0.35 D-GN	5060	Low Speed GMLAN Serial Data
6-7	-	-	Not Used
8	0.5 BK/WH	1851	Ground
9	0.35 OG	300	Ignition 3 Voltage
10	0.35 WH	193	Platforms Rear Defog Relay Control (C49 or HP2)
11-13	-	-	Not Used
14	0.35 L-GN	1478	Coolant Level Switch Signal (Diesel)
15	0.5 BK	1050	Ground
16	0.35 D-GN	6101	Low Reference

Connector Part Information

Harness: Instrument Panel
OEM: 15491285
Service: 15136073
Description: 16-Way F Kaizan 0.64 (BK)

Terminal Part Information

Terminal/Tray: SAIT-A03T-M064/14
Core/Insulation Crimp: P/P
Release Tool/Test Probe: J-38125-215A/J-35616-64B (L-BU)