Hummer H2. Manual — part 2023
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
SIR ZONE IDENTIFICATION VIEWS
The SIR Zone Identification Views shown below illustrate the approximate location of all SIR components
available for the vehicle. This will assist in determining the appropriate SIR Disabling and Enabling Zones for a
given service procedure, refer to SIR Disabling and Enabling Zones .
Fig. 4: Hummer H2 SIR Zone Identification Views
Courtesy of GENERAL MOTORS CORP.
Callouts For Fig. 4
11
Inflatable Restraint I/P Module
12
Inflatable Restraint I/P Module Connector
Callout
Component Name
1
Inflatable Restraint Electronic Frontal Sensor (EFS) - Located on the front of the vehicle in the
engine compartment
Inflatable Restraint I/P Module Disable Switch - Located at the top right under the instrument
2004 Hummer H2
2004 RESTRAINTS SIR - Hummer H2
SIR CONNECTOR END VIEWS
Inflatable Restraint Front End DiscriminatingSensor Terminal Identification - Left
Inflatable Restraint Front End Discriminating Sensor Terminal Identification - Right
2
panel
3
Inflatable Restraint I/P Module - Located at the top right under the instrument panel
4
Rear Lift Gate Strut - A gas shock is located between rear lift gate and body on the passenger
side
5
Rear Lift Gate Strut - A gas shock is located between rear lift gate and body on the driver side
6
Inflatable Restraint Sensing and Diagnostic Module (SDM) - Located underneath the LF/driver
seat
7
Inflatable Restraint Steering Wheel Module - Located on the steering wheel
8
Battery - Located under Hood on the left side
9
Inflatable Restraint Electronic Frontal Sensor (EFS) - Located on the front of the vehicle in the
engine compartment
Connector Part Information
z
15356718
z
2-Way F GT 150 Sealed 4.0 (YE)
Pin
Wire Color
Circuit No.
Function
1
GY
349
Discriminating Sensor - Left - Signal
2
YE
354
Discriminating Sensor - Left-Low Reference
2004 Hummer H2
2004 RESTRAINTS SIR - Hummer H2
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