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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1495 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC C0221 To C0227: Front Wheel Speed Sensor Circuit >> Test Description

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 Diagnostic Test
G01598240Courtesy of GENERAL MOTORS CORP.