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Home >> Oldsmobile >> 1995 >> Achieva SC, 2.3 D, Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnostic Charts >> Code 95 - Brake Switch Circuit Open >> Test Description

Test Description

NOTE: Test numbers refer to numbers on diagnostic chart. Use only 10-megohm (minimum) DVOM for all voltage and resistance tests.
  1. Confirms if there is an open in circuit.
  2. Determines if brake switch signal is being received by EBCM.
  3. Isolates open circuit to either brake switch or brakelight circuit.
  4. Isolates open circuit to either brake switch input or EBCM.
  5. Ensures malfunction was not due to poor terminal contact.
Fig 1: Code 95 Schematic
G95J15585Courtesy of GENERAL MOTORS CORP.
Fig 2: Code 95 Flow Chart
G95B15710Courtesy of GENERAL MOTORS CORP.