Hummer H2. Manual — part 2039
Fig. 28: Inflatable Restraint Front End Discriminating Sensor Harness Connector
Courtesy of GENERAL MOTORS CORP.
3. Connect the inflatable restraint front end discriminating harness connector to the sensor.
4. Install the connector position assurance (CPA) to the inflatable restraint front end discriminating sensor
harness connector.
5. Install the engine protection shield, if equipped. Refer to Engine Protection Shield Replacement in
Frame and Underbody.
6. Enable the SIR system. Refer to SIR Disabling and Enabling Zones .
INFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE REPLACEMENT
CAUTION: Do not strike or jolt the inflatable restraint sensing and diagnostic module
2004 Hummer H2
2004 RESTRAINTS SIR - Hummer H2
Removal Procedure
1. Disable the SIR system. Refer to SIR Disabling and Enabling Zones .
(SDM). Before applying power to the SDM, make sure that it is securely
fastened with the arrow facing toward the front of the vehicle. Failure to
observe the correct installation procedure could cause SIR deployment,
personal injury, or unnecessary SIR system repairs.
CAUTION: Refer to SIR Caution in Cautions and Notices.
2004 Hummer H2
2004 RESTRAINTS SIR - Hummer H2
Fig. 29: Removing Drivers Seat
Courtesy of GENERAL MOTORS CORP.
2. Remove the drivers seat. Refer to Seat Replacement - Front Bucket in Seats.
3. Remove the driver side door sill plate. Refer to Door Sill Plate Replacement - Front in Interior Trim.
4. Fold back the carpet to access the inflatable restraint sensing and diagnostic module (SDM).
Fig. 30: Connector Position Assurance (CPA)
Courtesy of GENERAL MOTORS CORP.
5. Remove the connector position assurance (CPA) (1) from the inflatable restraint sensing and diagnostic
module (SDM) wiring harness connector (2).
2004 Hummer H2
2004 RESTRAINTS SIR - Hummer H2
6. Push down the flex lock button (3) and slide the connector locking cover (4) to the open position.
Fig. 31: SDM Wiring Harness Connector & SDM
Courtesy of GENERAL MOTORS CORP.
7. Disconnect the SDM wiring harness connector (1) from the SDM (3).
2004 Hummer H2
2004 RESTRAINTS SIR - Hummer H2
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