Body Control Module (BCM) X1

Fig 1: Body Control Module (BCM) X1 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.5 L-BU/BK	747	Left Rear Door Ajar Switch Signal
2	-	-	Not Used
3	0.5 PU	5531	Hood Closed Switch Signal (AP3)
4	0.5 PK/BK	109	Hood Ajar Switch Signal (AP3)
5	0.5 TN	755	Sunroof Enable Signal (CF5)
6	0.5 WH	682	Door Lock Lock/Unlock Signal
7	0.5 WH/BK	682	Door Lock Lock/Unlock Signal
8	0.5 WH/RD	1080	Park Lamp Relay Control
9	0.5 YE	5456	Rear Wiper Park Signal
10-12	-	-	Not Used
13	0.5 PK	849	Brake Fluid Level Sensor Signal (1)
14	0.5 L-BU	1134	Park Brake Switch Signal
15	0.5 YE	5199	Run/Crank Relay Coil Control
16	0.5 WH	193	Rear Defog Relay Control
17	0.5 D-BU	15	Right Turn Signal Lamp Supply Voltage
18	0.5 D-GN	5060	Low Speed GMLAN Serial Data (U2K)
19	0.5 TN/WH	746	Right Front Door Ajar Switch Signal
20	0.5 L-GN/BK	748	Right Rear Door Ajar Switch Signal
21	-	-	Not Used
22	0.5 GY/BK	745	Left Front Door Ajar Switch Signal
23-30	-	-	Not Used
31	0.5 L-BU	1344	Liftgate Release Relay Control
32	-	-	Not Used
33	0.5 D-GN/WH	1135	A/T Shift Interlock Solenoid Supply Voltage (MN5)
34	-	-	Not Used
35	0.5 L-BU	14	Left Turn Signal Lamp Supply Voltage
36	0.5 D-GN	5060	Low Speed GMLAN Serial Data (UE1)
37-39	-	-	Not Used
40	0.35 L-BU	1788	Traction Control Switch Signal (JL4/JL9)
41-43	-	-	Not Used
44	0.5 TN/WH	1969	Headlamp High Beam Relay Control
45-46	-	-	Not Used
47	0.5 YE	196	Windshield Wiper Motor Park Switch Signal
48-50	-	-	Not Used
51	0.5 D-GN	113	Windshield Wiper Switch Signal 2
52-53	-	-	Not Used
54	0.5 YE	317	Fog Lamp Relay Control
55	0.5 PK/BK	1303	Liftgate Ajar Switch Signal
56-57	-	-	Not Used
58	0.5 L-GN	2270	Rear Window Washer Relay Control
59	0.5 GY	391	Rear Window Wiper Switch Signal
60	0.5 TN	28	Horn Relay Control
61	0.5 BK/WH	1251	Signal Ground
62	0.5 RD/WH	1340	Battery Positive Voltage
63	0.5 GY	596	5-Volt Reference
64	0.5 BK/WH	851	Signal Ground
65	0.5 TN/WH	1704	Sensor Low Reference
66	-	-	Not Used
67	0.5 YE	61	Low Reference
68	0.5 WH	5075	Current Sensor Signal
69	0.5 WH/BK	1221	Liftgate Release Switch Signal (-Panel Van)
69	0.5 L-GN	5926	Release Switch Signal (Panel Van)
70	0.5 D-GN/WH	636	Ambient Air Temperature Sensor Signal
71	0.5 L-GN/BK	592	DRL Relay Control
72	-	-	Not Used

Connector Part Information

OEM: 15393122
Service: 88987847
Description: 72-Way F Micro-64 Unsealed (GY)

Terminal Part Information

Pins: 1, 3-9, 13-20, 22, 31, 33, 35, 36, 44, 47, 51, 54, 55, 58-65, 67, 68, 69-71
Terminal/Tray: 15359541/4
Core/Insulation Crimp: M/M
Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)