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CHART E, DTC's WILL NOT CLEAR: Description

When system voltage is applied to center sensor assembly, it will perform PRIMARY CHECK followed by CONSTANT CHECK. When a fault is detected, center sensor assembly will store a DTC and illuminate AIR BAG warning light.

NOTE: Test numbers refer to test numbers on diagnostic chart. For circuit number identification, see WIRING DIAGRAMS.
  1. Test confirms proper sensor assembly operation.
  2. Test determines whether fault is caused by an open in AB circuit or junction block No. 1.
WARNING: To avoid air bag deployment and injury when trouble shooting system, only use test equipment specified in diagnostic charts.
Fig 1: Flowchart E, DTC's Will Not Clear
G93D75310Courtesy of GENERAL MOTORS CORP.