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

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15453747 42-Way M Micro-Pack 100 Series Sealed (YE)
Pin	Wire Color	Circuit Number	Function
1	PK	1139	Ignition 1 Voltage
2	-	-	Not Used
3	TN/WH	238	Seat Belt Switch - Driver - Signal
4	-	-	Not Used
5	YE	1834	Forward Discriminating Sensor Signal
6	-	-	Not Used
7	YE	2131	Side Impact Sensing Module - Driver - Voltage
8	TN	2133	Side Impact Sensing Module - Passenger - Voltage
9	YE	3025	I/P Module - Stage 1 - High Control
10	OG	3024	I/P Module - Stage 1 - Low Control
11	PK	5017	Seat Belt Switch - Driver - Low Reference
12	BN	3020	Steering Wheel Module - Stage 1 - Low Control
13	TN	3021	Steering Wheel Module - Stage 1 - High Control
14	GY	2103	Side Impact Module - Passenger - High Control
15	D-BU	2104	Side Impact Module - Passenger - Low Control
16	BN	2106	Side Impact Module - Driver - Low Control
17	D-GN	2105	Side Impact Module - Driver - High Control
18	YE/BK	5021	Roof Rail Module - Passenger - High Control
19	WH/BK	5022	Roof Rail Module - Passenger - Low Control
20	PK	5020	Roof Rail Module - Driver - Low Control
21	PU/WH	5019	Roof Rail Module - Driver - High Control
22	PU	1807	Class 2 Serial Data
23	PU	1807	Class 2 Serial Data
24-25	-	-	Not Used
26	TN/OG	5045	Discriminating Sensor - Low Reference
27	-	-	Not Used
28	WH	2132	Side Impact Sensing Modular - Driver - Signal
29	D-GN	2134	Side Impact Sensing Module - Passenger - Signal
30	GY	3027	I/P Module - Stage 2 - High Control
31	PU	3026	I/P Module - Stage 2 - Low Control
32	BK/WH	1751	Ground
33	PK	3022	Steering Wheel Module - Stage 2 - Low Control
34	WH	3023	Steering Wheel Module - Stage 2 - High Control
35	L-GN	2116	Seat Belt Pretensioner - Passenger - High Control
36	OG	2117	Seat Belt Pretensioner - Passenger - Low Control
37	OG/BK	2119	Seat Belt Pretensioner - Driver - Low Control
38	TN/WH	2118	Seat Belt Pretensioner - Driver - High Control
39-42	-	-	Not Used