Inflatable Restraint Sensing and Diagnostic Module (SDM)

WARNING: This page is about a different car, the 2007 Pontiac Solstice. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Sensing and Diagnostic Module (SDM) Connector End View

Courtesy of GENERAL MOTORS CORP.

Sensing and Diagnostic Module (SDM) Connector Part Information

Connector Part Information

OEM: 6-638595-2
Service: 88988363
Description: 60-Way F (YE)

Terminal Part Information

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

Sensing and Diagnostic Module (SDM) Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	RD/WH	1240	Battery Positive Voltage
2	D-GN/YE	5060	Low Speed GMLAN Serial Data
3	PK	5057	Seat Position Sensor - Low Reference
4	TN/WH	238	Seat Belt Switch - Left
5	-	-	Not Used
6	OG	1362	Seat Belt Switch - Right - Signal
7	-	-	Not Used
8-11	-	-	Not Available
12	PU	3026	I/P Module Stage 2 Low Control
13	GY	3027	I/P Module Stage 2 High Control
14	TN	3021	Steering Wheel Module - Stage 1 High Control
15	BN	3020	Steering Wheel Module - Stage 1 Low Control
16	PK	3022	Steering Wheel Module - Stage 2 Low Control
17	WH	3023	Steering Wheel Module - Stage 2 High Control
18	YE	3025	I/P Module - Stage 1 High Control
19	OG	3024	I/P Module - Stage 1 Low Control
20-30	-	-	Not Available
31	BK/WH	351	Ground
32	-	-	Not Available
33	PK	1339	Ignition 1 Voltage
34-35	-	-	Not Available
36	GY	5600	Front End Sensor - Voltage - Right
37	YE/BK	2160	Front End Sensor - Signal - Right
38	YE	1834	Front End Sensor - Voltage - Left
39	TN/OG	5045	Front End Sensor - Signal - Left
40-51	-	-	Not Available
52	L-GN	2116	Seat Belt Pretensioner - Right - High Control
53	OG	2117	Seat Belt Pretensioner - Right - Low Control
54-55	-	-	Not Available
56	TN/WH	2118	Seat Belt Pretensioner - Left - High Control
57	OG/BK	2119	Seat Belt Pretensioner - Left - Low Control
58-59	-	-	Not Available
60	PK	5018	Occupant Sensor Serial Data