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Home >> Saturn >> 1995 >> SW2 Automatic >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> Anti-Lock Brake System >> Diagnostic Charts >> Information Flag 94, Brake Switch Circuit Always Closed >> Diagnostic Aids

Diagnostic Aids

  1. Drive vehicle at speed faster than 25 MPH (40 KM/H) with brake pedal released. Check for reappearance of Flag 94.
  2. Suspected intermittents or opens at connectors can be detected with diagnostic service probe which permits voltage to be measured on wires without unplugging connectors. Ensure all terminals make good connection.
  3. When diagnosing intermittent problems, select MALF HISTORY from scan tool ABS menu. Supplemental data can be used to duplicate problem.
  4. Brake switch is normally open. Depressing brake pedal closes switch and completes circuit.
Fig 1: Information Flag 94 Schematic
G95E15499Courtesy of GENERAL MOTORS CORP.
Fig 2: Information Flag 94 Flow Chart
G94F32628Courtesy of GENERAL MOTORS CORP.
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