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Test Description

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The numbers below refer to the step numbers on the diagnostic table.

  1. 3. Measure the resistance of the wheel speed sensor in order to determine if the sensor has a valid resistance value.
  2. 4. Ensures that the wheel speed sensor is generating a valid AC voltage output.
Fig 1: DTC C0221-C0227 (Steps 1-2)
G01481787Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC C0221-C0227 (Steps 3-10)
G01481788Courtesy of GENERAL MOTORS CORP.
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