Inflatable Restraint Sensing and Diagnostic Module (SDM)

WARNING: This page is about a different car, the 2008 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. 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 YE	1139	Ignition Voltage
2	0.35 TN/BK	371	Serial Data Link
3	0.35 BK/WT	238	Seat Belt Switch - Left
4	0.35 RD	1362	Seat Belt Switch - Right
5	0.35 GY	349	Discriminating Sensor - Left - Signal
6	0.35 YE	1834	Front End Sensor - Voltage
7	0.35 YE	2131	Side Impact Sensing Module - Left - Voltage (ASF)
8	0.35 TN	2133	Side Impact Sensing Module - Right - Voltage (ASF)
9	0.35 YE	3025	I/P Module - Stage 1 - High Control
10	0.35 OG	3024	I/P Module - Stage 1 - Low Control
11	0.35 BK	407	Low Reference
12	0.35 BN	3020	Steering Wheel Module - Stage 1 - Low Control
13	0.35 TN	3021	Steering Wheel Module - Stage 1 - High Control
14	0.5 BK/WH	2135	Side Impact Module - Right Front - High Control (ASF)
15	0.5 L-GN	2136	Side Impact Module - Right Front - Low Control (ASF)
16	0.5 YE/BK	2138	Side Impact Module - Left Front - Low Control (ASF)
17	0.5 BN	2137	Side Impact Module - Left Front - High Control (ASF)
18-21	-	-	Not Used
22	0.35 PU	1807	Class 2 Serial Data
23	0.35 PU	1807	Class 2 Serial Data
24	0.35 L-GN	5055	Seat Position Sensor - Left - Signal
25	0.35 L-BU	5056	Seat Position Sensor - Right - Signal
26	0.35 YE	354	Discriminating Sensor - Signal
27	0.35 D-GN	1409	Discriminating Sensor - Right - Signal
28	0.35 WH	2132	Side Impact Sensing Module - Left - Signal (ASF)
29	0.35 D-GN	2134	Side Impact Sensing Module - Right - Signal (ASF)
30	0.5 GY	3027	I/P Module - Stage 2 - High Control
31	0.5 PU	3026	I/P Module - Stage 2 - Low Control
32	0.5 BK/WH	2151	Ground
33	0.5 PK	3022	Steering Wheel Module - Stage 2 - Low Control
34	0.5 WH	3023	Steering Wheel Module - Stage 2 - High Control
35	0.5 L-GN	2116	Seat Belt Pretensioner - Right - High Control
36	0.5 OG	2117	Seat Belt Pretensioner - Right - Low Control
37	0.5 OG/BK	2119	Seat Belt Pretensioner - Left - Low Control
38	0.5 BK/WH	2118	Seat Belt Pretensioner - Left - High Control
39-42	-	-	Not Used

Connector Part Information

OEM: 15449363
Service: See Catalog
Description: 42-Way F Micro-Pack 100 W (D-GY)

Terminal Part Information

Pins: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38
Terminal/Tray: Service with Terminated Lead
Core/Insulation Crimp: N/A
Release Tool/Test Probe: 12122523/J-35616-6 (BN)