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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 751 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC C1221, C1222, C1223, C1224, C1225, C1226, C1227, C1228, C1232, C1233, C1234, C1235: Wheel Speed Sensor Fault >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

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

4. Measures the resistance of the wheel speed sensor in order to determine if the sensor has a valid resistance value.

5. Ensures that the wheel speed sensor is generating a valid AC voltage output.

Fig 1: Diagnostic System Check - DTC C1221-C1235 (1 Of 2)
G01483693Courtesy of GENERAL MOTORS CORP.
Fig 2: Diagnostic System Check - DTC C1221-C1235 (2 Of 2)
G01483694Courtesy of GENERAL MOTORS CORP.
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