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

Fig 1: Connector End View

Courtesy of GENERAL MOTORS CORP.

Connector Part Information

OEM: 3-638595-3
Service: 88988368
Description: 60-Way F (YE)

Terminal Part Information

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

Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	RD/WH	1240	Battery Positive Voltage
2	D-GN	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
7	-	-	Not Used
8	PK	5020	Roof Rail Module - Left - Low Control (ASF)
9	PU/WH	5019	Roof Rail Module - Right - High Control (ASF)
10	YE/BK	5021	Roof Rail Module - Right - High Control (ASF)
11	WH/BK	5022	Roof Rail Module - Right - Low Control (ASF)
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 Used
31	BK/WH	351	Ground
32	-	-	Not Used
33	PK	1339	Ignition 1 Voltage
34-37	-	-	Not Used
38	YE	1834	Forward Discriminating Sensor Signal
39	TN/OG	5045	Discriminating Sensor - Low Reference
40-45	-	-	Not Used
46	WH	2132	Side Impact Sensing Module Left Signal (ASF)
47	YE	2131	Side Impact Sensing Module Left Voltage (ASF)
48	TN	2133	Side Impact Sensing Module Right Voltage (ASF)
49	D-GN	2134	Side Impact Sensing Module Right Signal (ASF)
50-51	-	-	Not Used
52	GY/OG	2116	Seat Belt Pretensioner - Right - High Control
53	L-BU/OG	2117	Seat Belt Pretensioner - Right - Low Control
54-55	-	-	Not Used
56	GY/WH	2118	Seat Belt Pretensioner - Left - High Control
57	YE/WH	2119	Seat Belt Pretensioner - Left - Low Control
58-59	-	-	Not Used
60	PK	5018	Occupant Sensor Serial Data