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

Inflatable Restraint Sensing and Diagnostic Module (SDM)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15356922 42-Way F Micro-Pack 100 W (D GY)
Pin	Wire Color	Circuit No.	Function
1	YE	1139	Ignition 1 Voltage
2	PK	2306	Passenger Presence Class 2 Serial Data
3	BK/WH	238	Seat Belt Switch - Left
4	RD	1362	Seat Belt Switch - Right - Signal
5	GY	349	Discriminating Sensor - Left - Signal
6	YE	1834	Forward Discriminating Sensor Signal
7	YE	2161	Side Impact Sensor - Left - Voltage
8	TN	2163	Side Impact Sensor - Right - Voltage
9	YE	3025	I/P Module - Stage 1 - High Control
10	OG	3024	I/P Module - Stage 1 - Low Control
11	D BU	1363	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 - Right - High Control
15	D BU	2104	Side Impact Module - Right - Low Control
16	BN	2106	Side Impact Module - Left - Low Control
17	D GN	2105	Side Impact Module - Left - High Control
18-21	-	-	Not Used
22	D BU	1128	SDM Class 2 Serial Data
23	-	-	Not Used
24	L GN	5055	Seat Position Switch - Left - Signal
25	L BU	5056	Seat Position Switch - Right - Signal
26	YE	354	Discriminating Sensor - Signal
27	D GN	1409	Discriminating Sensor - Right - Signal
28	WH	2162	Side Impact Sensor - Left - Signal
29	D GN	2164	Side Impact Sensor - Right - Signal
30	GY	3027	I/P Module - Stage 2 - High Control
31	PU	3026	I/P Module - Stage 2 - Low Control
32	BK	2351	Ground
33	PK	3022	Steering Wheel Module - Stage 2 - Low Control
34	WH	3023	Steering Wheel Module - Stage 2 - High Control
35-42	-	-	Not Used