Inflatable Restraint Sensing and Diagnostic Module (SDM)

WARNING: This page is about a different car, the 2007 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector End View

Courtesy of GENERAL MOTORS CORP.

Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector Parts Information

Connector Part Information

OEM: 2-638595-9
Service: See Catalog
Description: 60-Way F Sealed 0.64 Series (RD/YE)

Terminal Part Information

Pins: 1, 2, 3, 4, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 31, 32, 33, 36, 37, 38, 39, 46, 47, 48, 49, 52, 53, 56, 57, 60
Terminal/Tray: Service with Terminated Lead
Core/Insulation Crimp: N/A
Release Tool/Test Probe: See Terminal Repair Kit

Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	RD/WH	940	Backup Lamp - Feed
2	D-GN	5060	Low Speed GMLAN Serial Data
3	PK	5017	Driver Seat Belt Switch Low Reference
4	TN/WH	238	Driver Seat Belt Switch Signal
5	-	-	Not Used
6	TN/WH	238	Passenger Seat Belt Switch Signal
7	-	-	Not Used
8	PK	5020	Left Front Head Curtain Module Low Control
9	PU/WH	5019	Left Front Head Curtain Module High Control
10	YE/BK	5021	Right Front Head Curtain Module High Control
11	WH/BK	5022	Right Front Head Curtain Module Low Control
12	PU	3026	Passenger I/P Module Stage 2 Low Control
13	GY	3027	Passenger I/P Module Stage 2 High Control
14	TN	3021	Steering Wheel Module Stage 1 High Control
15	BN	3020	Steering Wheel Module Stage 1 Low Control
16	PK	3022	Steering Wheel Module Stage 2 Low Control
17	WH	3023	Steering Wheel Module Stage 2 High Control
18	WH/BK	1403	Passenger I/P Module High Control
19	D-GN/WH	1404	Passenger I/P Module Low Control
20	GY	2103	Right Side Impact Module High Control
21	D-BU	2104	Right Side Impact Module Low Control
22	D-GN	2105	Left Side Impact Module High Control
23	BN	2106	Left Side Impact Module Low Control
24-30	-	-	Not Used
31	BK/WH	1751	Ground
32	D-GN	5060	Low Speed GMLAN Serial Data
33	PK	1139	Ignition 1 Voltage
34-35	-	-	Not Used
36	D-GN	1409	Right Front Discriminating Sensor Signal
37	GY	5600	Right Front Discriminating Sensor Low Reference
38	YE	1834	SIR Forward Sensor Signal
39	TN/OG	5045	Left Front Discriminating Sensor Low Reference
40-45	-	-	Not Used
46	YE	2131	Left Front Side Impact Sensing Module Supply Voltage
47	WH	2132	Left Front Side Impact Sensing Module Signal
48	D-GN	2134	Right Front Side Impact Sensing Module Signal
49	TN	2133	Right Front Side Impact Sensing Module Supply Voltage
50-51	-	-	Not Used
52	L-GN	2116	Passenger Seat Belt Pretensioner High Control
53	OG	2117	Passenger Seat Belt Pretensioner Low Control
54-55	-	-	Not Used
56	TN/WH	2118	Driver Seat Belt Pretensioner High Control
57	OG/BK	2119	Driver Seat Belt Pretensioner Low Control
58-59	-	-	Not Used
60	PK	5018	Occupant Sensor - Serial Data