Inflatable Restraint Sensing and Diagnostic Module (SDM)

WARNING: This page is about a different car, the 2009 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.

Pin	Wire	Circuit	Function
1	0.35 RD/WH	940	Battery Positive Voltage
2	0.35 D-GN	5060	Low Speed GMLAN Serial Data
3	0.5 PK	5017	Driver Seat Belt Switch Low Reference
4	0.5 TN/WH	238	Driver Seat Belt Switch Signal
5	-	-	Not Used
6	0.5 TN/WH	238	Passenger Seat Belt Switch Signal
7	-	-	Not Used
8	0.5 PK	5020	Left Front Head Curtain Module Low Control
9	0.5 PU/WH	5019	Left Front Head Curtain Module High Control
10	0.5 YE/BK	5021	Right Front Head Curtain Module High Control
11	0.5 WH/BK	5022	Right Front Head Curtain Module Low Control
12	0.5 PU	3026	Passenger I/P Module Stage 2 Low Control
13	0.5 GY	3027	Passenger I/P Module Stage 2 High Control
14	0.5 TN	3021	Steering Wheel Module Stage 1 High Control
15	0.5 BN	3020	Steering Wheel Module Stage 1 Low Control
16	0.5 PK	3022	Steering Wheel Module Stage 2 Low Control
17	0.5 WH	3023	Steering Wheel Module Stage 2 High Control
18	0.5 WH/BK	1403	Passenger I/P Module High Control
19	0.5 D-GN/WH	1404	Passenger I/P Module Low Control
20	0.5 GY	2103	Right Side Impact Module High Control (LHD)
20	0.5 D-BU	2104	Right Side Impact Module Low Control (RHD)
21	0.5 D-BU	2104	Right Side Impact Module Low Control (LHD)
21	0.5 GY	2103	Right Side Impact Module High Control (RHD)
22	0.5 D-GN	2105	Left Side Impact Module High Control
23	0.5 BN	2106	Left Side Impact Module Low Control
24-30	-	-	Not Used
31	0.5 BK/WH	1751	Ground
32	0.35 D-GN	5060	Low Speed GMLAN Serial Data
33	0.35 PK	1139	Ignition 1 Voltage
34-35	-	-	Not Used
36	0.5 D-GN	1409	Right Front Discriminating Sensor Signal
37	0.5 GY	5600	Right Front Discriminating Sensor Low Reference
38	0.5 YE	1834	SIR Forward Sensor Signal
39	0.8 TN/OG	5045	Left Front Discriminating Sensor Low Reference
40-45	-	-	Not Used
46	0.35 YE	2131	Left Front Side Impact Sensing Module Supply Voltage
47	0.5 WH	2132	Left Front Side Impact Sensing Module Signal
48	0.5 D-GN	2134	Right Front Side Impact Sensing Module Signal
49	0.5 TN	2133	Right Front Side Impact Sensing Module Supply Voltage
50-51	-	-	Not Used
52	0.5 L-GN	2116	Passenger Seat Belt Pretensioner High Control
53	0.35 OG	2117	Passenger Seat Belt Pretensioner Low Control
54-55	-	-	Not Used
56	0.5 TN/WH	2118	Driver Seat Belt Pretensioner High Control
57	0.5 OG/BK	2119	Driver Seat Belt Pretensioner Low Control
58-59	-	-	Not Used
60	0.35 PK	5018	Occupant Sensor - Serial Data

Connector Part Information

OEM: 2-638595-9
Service: 19153176
Description: 60-Way F Sealed 0.64 Series (YE/BU)

Terminal Part Information

Terminal/Tray: Service with Terminated Lead
Core/Insulation Crimp: N/A
Release Tool/Test Probe: See Terminal Repair Kit