Inflatable Restraint Sensing and Diagnostic Module (SDM)

WARNING: This page is about a different car, the 2008 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.

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

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.5 BK/WH	1751	Ground
2	0.35 D-GN	5060	Low Speed GMLAN Serial Data
3	0.35 D-GN	5060	Low Speed GMLAN Serial Data
4	0.5 GY/PK	3022	Steering Wheel Module - Stage 2 - Low Control
5	0.5 L-GN/WH	3023	Steering Wheel Module - Stage 2 - High Control
6	0.5 GY	3027	I/P Module - Stage 2 - High Control
7	0.5 PU	3026	I/P Module - Stage 2 - Low Control
8	0.5 BN	3020	Steering Wheel Module - Stage 1 - Low Control
9	0.5 TN/L-BU	3021	Steering Wheel Module - Stage 1 - High Control
10	0.5 WH/BK	1403	I/P Module - Stage 1 - High Control
11	0.5 D-GN/WH	1404	I/P Module - Stage 1 - Low Control
12	0.5 YE/GY	6969	Side Impact Module - Left - Low Control
13	0.5 L-BU/BK	6970	Side Impact Module - Left - High Control
14	0.5 L-GN	2116	Side Impact Module - Right Front - High Control
15	0.5 OG	2117	Side Impact Module - Right Front - Low Control
16-19	-	-	Not Used
20	0.5 PK/BK	5020	Roof Rail Module - Left - Low Control (AY0)
21	0.5 PU/WH	5019	Roof Rail Module - Left - High Control (AY0)
22	0.5 YE/BK	5021	Roof Rail Module - Right - High Control (AY0)
23	0.5 L-BU/WH	5022	Roof Rail Module - Right - Low Control (AY0)
24	0.5 OG/BK	2119	Seat Belt Pretensioner - Left - Low Control
25	0.5 TN/BK	2118	Seat Belt Pretensioner - Left - High Control
26	0.5 TN/PU	7074	Seat Belt Pretensioner - Right Front - High Control
27	0.5 RD/L-BU	6971	Seat Belt Pretensioner - Right Front - Low Control
28	0.5 TN/PK	5017	Low Reference
29	-	-	Not Used
30	0.5 L-BU	5056	Passenger Seat Position Switch Signal
31	0.5 PK/RD	2440	Battery Positive Voltage
32	0.5 PK	239	Ignition 1 Voltage
33-35	-	-	Not Used
36	0.5 YE	1834	SIR Forward Sensor Signal
37	0.5 GY/RD	5600	Right Front Discriminating Low Reference
38	0.5 TN/OG	5045	Left Front Discriminating Low Reference
39	0.5 D-GN	1409	Right Front Discriminating Sensor Signal
40	0.5 WH	2132	Side Impact Sensor - Left - Signal
41	0.5 D-GN	2134	Side Impact Sensor - Right - Signal
42	0.5 YE/WH	2131	Side Impact Sensor - Left - Voltage
43	0.5 TN	2133	Side Impact Sensor - Right - Voltage
44-58	-	-	Not Used
59	0.5 TN/WH	238	Left Front Seat Belt Switch Signal
60	0.5 TN/WH	238	Right Front Seat Belt Switch Signal

Connector Part Information

OEM: 4-184464-3
Service: See Catalog
Description: 60-Way F (YE with GN Slide Lock)

Terminal Part Information

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