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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1797 (Supplemental Inflatable Restraint System) >> Component Locator >> SIR Connector End Views >> Inflatable Restraint Sensing and Diagnostic Module (SDM) (w/HP7)

Inflatable Restraint Sensing and Diagnostic Module (SDM) (w/HP7)

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Inflatable Restraint Sensing and Diagnostic Module (SDM) (w/HP7) Connector End Views
GM1420768Courtesy of GENERAL MOTORS CORP.
Inflatable Restraint Sensing and Diagnostic Module (SDM) (w/HP7) Connector Parts Information

Connector Part Information 
  • OEM: 4-638595-2
  • Service: See Catalog
  • Description: 60-Way F GET Series (YE Connector, BK Slide)
Inflatable Restraint Sensing and Diagnostic Module (SDM) (w/HP7) Connector Terminal Identification

Pin Wire Color Circuit Number Function
1 BK/WH 151 Ground
2 PU 1807 Class 2 Serial Data Primary
3 PU 1807 Class 2 Serial Data Primary
4 BN 3020 Steering Wheel Module Stage 1 Low Control
5 TN 3021 Steering Wheel Module Stage 1 High Control
6 YE 3025 Passenger IP Module Stage 1 High Control
7 OG 3024 Passenger IP Module Stage 1 Low Control
8 PK 3022 Steering Wheel Module Stage 2 Low Control
9 WH 3023 Steering Wheel Module Stage 2 High Control
10 GY 3027 Passenger IP Module Stage 2 High Control
11 PU 3026 Passenger IP Module Stage 2 Low Control
12 L-GN/BK 2138 Left Front Side Impact Module Low Control
13 BN 2137 Left Front Side Impact Module High Control
14 BK/WH 2135 Right Front Side Impact Module High Control
15 L-GN 2136 Right Front Side Impact Module Low Control
16 OG/BK 2119 Driver Seat Belt Pretensioner Low Control
17 TN/WH 2118 Driver Seat Belt Pretensioner High Control
18 L-GN 2116 Passenger Seat Belt Pretensioner High Control
19 OG 2117 Passenger Seat Belt Pretensioner Low Control
20-30 - - Not Used
31 PK 539 Ignition 1 Voltage
32-33 - - Not Used
34 PK 2306 Passenger Presence System (PPS) Signal
35 PK 2306 Passenger Presence System (PPS) Signal
36-39 - - Not Used
40 WH 2132 Left Front Side Impact Sensing Module Signal
41 D-GN 2134 Right Front Side Impact Sensing Module Signal
42 YE 2131 Left Front Side Impact Sensing Module Supply Voltage
43 TN 2133 Right Front Side Impact Sensing Module Supply Voltage
44-58 - - Not Used
59 BK/WH 238 Driver Seat Belt Switch Signal
60 RD 1362 Passenger Seat Belt Switch Signal