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