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Home >> Buick >> 1995 >> Century Custom >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnostic Charts >> Code 56/61/64 - Abs Motor 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. Checks for proper ABS motor resistance.
  2. Checks open in ABS motor high circuit.
  3. Checks open in ABS motor low circuit.
  4. Ensures malfunction was not due to poor terminal contact.
Fig 1: Code 56/61/64 Schematic
G95G15533Courtesy of GENERAL MOTORS CORP.
Fig 2: Code 56/61/64 Schematic
G95H15690Courtesy of GENERAL MOTORS CORP.
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