Hummer H2. Manual - part 2055

2004 RESTRAINTS

SIR - Hummer H2 

SPECIFICATIONS 

FASTENER TIGHTENING SPECIFICATIONS 

Fastener Tightening Specifications 

SCHEMATIC AND ROUTING DIAGRAMS 

SIR SCHEMATIC ICONS 

SIR Schematic Icons 

Application

Specification

Metric

English

Inflatable Restraint Front End Sensor

10 N.m

89 lb in

Inflatable Restraint Instrument Panel Module

10 N.m

89 lb in

Inflatable Restraint (SD) Module

10 N.m

89 lb in

Icon

Icon Definition

CAUTION:

When performing service on or near the SIR components or the SIR 
wiring, the SIR system must be disabled. Refer to SIR Disabling and 
Enabling Zones. Failure to observe the correct procedure could cause 
deployment of the SIR components, personal injury, or unnecessary 
SIR system repairs.

IMPORTANT:

In order to prevent accidental deployment, the shorting bars close in 
order to short the connectors when the connectors are separated.

 

2004 Hummer H2 

2004 RESTRAINTS SIR - Hummer H2

  

 

2004 Hummer H2 

2004 RESTRAINTS SIR - Hummer H2

  

SIR SCHEMATICS 

Fig. 1: SDM Power, Grounding, DLC, Sensors, and Driver Air Bag Schematic 
Courtesy of GENERAL MOTORS CORP.

 

2004 Hummer H2 

2004 RESTRAINTS SIR - Hummer H2

  

Fig. 2: Passenger Air Bag and Defeat Switch Schematic 
Courtesy of GENERAL MOTORS CORP. 

COMPONENT LOCATOR 

SIR COMPONENT VIEWS 

 

2004 Hummer H2 

2004 RESTRAINTS SIR - Hummer H2

  

Fig. 3: SIR Sub-System Component Views 
Courtesy of GENERAL MOTORS CORP. 

Callouts For Fig. 3 

Callout

Component Name

1

Body Harness

2

Inflatable Restraint Sensing and Diagnostic Module (SDM)

3

Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector

4

Inflatable Restraint Steering Wheel Module

5

Steering Wheel

6

Radiator Support

7

Inflatable Restraint Front End Discriminating Sensor - Left

8

Inflatable Restraint Front End Discriminating Sensor - Right

9

Inflatable Restraint I/P Module Disable Switch

10

Inflatable Restraint I/P Module Disable Switch Connector

 

2004 Hummer H2 

2004 RESTRAINTS SIR - Hummer H2