Body Control Module (BCM) X3

WARNING: This page is about a different car, the 2008 Suzuki XL7, 2008 Pontiac Torrent, and 2008 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Body Control Module (BCM) X3 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.8 BK/WH	1551	Ground
2	0.8 RD/WH	240	Battery Positive Voltage
3	0.8 RD/WH	1040	Battery Positive Voltage
4	-	-	Not Used
5	0.8 BK/WH	1551	Ground
6	-	-	Not Used
7	0.35 YE	749	Security Indicator Control
8	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus+
9	0.5 TN	2501	High Speed GMLAN Serial Data Bus-
10	0.35 D-GN	5060	Low Speed GMLAN Serial Data
11	0.35 D-GN	44	Instrument Panel Lamps Dimmer Switch Signal
12	0.35 OG/WH	812	12-Volt Reference
13	0.5 D-BU	6037	Brake Pedal Position Sensor Signal
14	0.5 OG/BK	6035	Low Reference
15	0.5 GY	6036	5-Volt Reference
16	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus+ (LY7)
16	0.35 TN/BK	2500	High Speed GMLAN Serial Data Bus+ (LNJ)
17	0.5 TN	2501	High Speed GMLAN Serial Data Bus-(LY7)
17	0.35 TN	2501	High Speed GMLAN Serial Data Bus- (LNJ)
18	0.5 PU/WH	1382	LED Dimming Signal
19	0.35 L-BU	5986	Serial Data Communication Enable
20	-	-	Not Used
21	0.35 OG	192	Front Fog Lamp Switch Signal
22	0.35 D-GN/WH	7158	Cruise Control Indicator Dimming Signal
23-25	-	-	Not Used

Connector Part Information

OEM: HITPB-25-C-LE
Service: See Catalog
Description: 25-Way F HIT Series (L-BU)

Terminal Part Information

Pins: 1-3, 5
Terminal/Tray: SNAC-A061T-M2.8/20
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 12094429/J-35616-4A (PU)

Pins: 7-19, 21-22
Terminal/Tray: SNAC3-A021T-M0.64/20
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)