Warning: Refer to SIR Warning in the Preface section.

Warning: Replace the passenger presence system as a complete assembly to prevent possible injury to the occupant. All the components in the service kit are assembled and calibrated as a unit. Using only some of the components in the service kit will cause the passenger presence system to operate improperly.

Warning: To avoid personal injury, perform a preload test on the passenger presence system whenever you remove or replace the seat cushion trim. Failure to do so may cause the system to malfunction.

Preliminary Procedures

1. Disable the SIR system. Refer to SIR Disabling and Enabling .
2. Remove the front seat. Refer to Driver or Passenger Seat Replacement .
3. Remove the front seat cushion cover and pad. Refer to Front Seat Cushion Cover and Pad Replacement .

1

Passenger Seat Cushion Heater

2

Inflatable Restraint Front Passenger Presence Sensor

Procedure

1. Disconnect the electrical connectors.
2. Pre-load test the inflatable restraint passenger presence system whenever the seat cushion or any component of the passenger presence system is removed. Refer to Control Module References .
3. Program the inflatable restraint passenger presence system after replacement. Refer to Inflatable Restraint Sensing and Diagnostic Module Programming and Setup .