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

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

Courtesy of GENERAL MOTORS CORP.

Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector & Terminal Parts Information

Connector Part Information

Terminal Part Information

Inflatable Restraint Sensing and Diagnostic Module (SDM) Terminal Identification

Pin	Wire Color	Circuit No.	Function
A1	TN	3021	Steering Wheel Module - Stage 1 - High Control
A2	BN	3020	Steering Wheel Module - Stage 1 - Low Control
A3	OG	3024	I/P Module - Stage 1 - Low Control
A4	YE	3025	I/P Module - Stage 1 - High Control
A5	BK/WH	2118	Seat Belt Pretensioner - Left - High Control
A6	OG/BK	2119	Seat Belt Pretensioner - Left - Low Control
A7	OG	2117	Seat Belt Pretensioner - Right - Low Control
A8	L-GN	2116	Seat Belt Pretensioner - Right - High Control
A9	BK/WH	151	Ground
A10	YE	1139	Ignition 1 Voltage
A11	PU	1807	Class 2 Serial Data (Primary)
A12	PU	1807	Class 2 Serial Data (Primary)
A13	PK	2306	Passenger Presence System Signal (w/o Redline)
A14	BK/WH	238	Seat Belt Switch - Left
A15	-	-	Not Used
A16	RD	1362	Seat Belt Switch - Right (w/o Redline)
A17-A18	-	-	Not Used
B1	WH	3023	Steering Wheel Module - Stage 2 - High Control
B2	PK	3022	Steering Wheel Module - Stage 2 - Low Control
B3	PU	3026	I/P Module - Stage 2 - Low Control
B4	GY	3027	I/P Module - Stage 2 - High Control
B5-B8	-	-	Not Used
C1	PU/WH	5019	Roof Rail Module - Left - High Control (ASF)
C2	PK	5020	Roof Rail Module - Left - Low Control (ASF)
C3	WH/BK	5022	Roof Rail Module - Right - Low Control (ASF)
C4	YE/BK	5021	Roof Rail Module - Right - High Control (ASF)
C5	WH	2132	Side Impact Sensing Module - Left - Signal (ASF)
C6	YE	2131	Side Impact Sensing Module - Left - Voltage (ASF)
C7	TN	2133	Side Impact Sensing Module - Right - Voltage (ASF)
C8	D-GN	2134	Side Impact Sensing Module - Right - Signal (ASF)