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Home >> Kia >> 2004 >> Optima V6-2.7L >> Repair and Diagnosis >> Brakes and Traction Control >> Antilock Brakes / Traction Control Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> Non-Trouble Code Procedures
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Non-Trouble Code Procedures

ABS OPERATION CHECK

WHEEL SPEED SENSOR OUTPUT VOLTAGE CHECK
1. Lift up the vehicle and release the parking brake.





2. Disconnect the HECU harness connector and measure from the harness side connector.

CAUTION: Be sure to remove the connector double lock and insert the probe into the harness side. Inserting it into the terminal side will result in a bad connection.





3. Rotate the wheel to be measured at approximately 1/2 - 1 rotation per second, and check the output voltage using a circuit tester or an oscilloscope.
Output voltage
When measuring with an oscilloscope: 120 mV p-p or more

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