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Passenger Presence System Rezeroing: Introduction

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The inflatable restraints passenger presence system (PPS) is a calibrated system that requires rezeroing anytime the seat cushion trim attachments have been removed or the PPS has been replaced. The procedures below are designed to assist in the rezeroing of the PPS. Before you start, read these procedures carefully and completely. For further information regarding the PPS refer to SIR System Description and Operation .

NOTE:

The following procedures must be followed:

  1. Read this procedure carefully and completely.
  2. The PPS will not function properly if the PPS rezeroing procedure is not performed.
  3. Perform the Diagnostic Repair Verification after successfully completing the rezeroing procedure to ensure the system is functioning properly.