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Home >> Kia >> 2009 >> Optima LX, 2.4 8, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Abs (Anti-Lock Brake System) >> Troubleshooting >> Communication With Scan Tool Is Not Possible (Communication With ABS Only Is Not Possible) >> Inspection Procedures >> Check the Power Source Of ABS Control Module

Check the Power Source Of ABS Control Module

  1. Disconnect the connector from the ABS control module.
  2. Turn the ignition switch ON, measure the voltage between terminal 3 of the ABS control module harness side connector and body ground.

    Specification:  approximately B+

  3. Is voltage within specification?

    YES:  Check for poor ground.

    NO:  Check the harness or connector between the fuse (10A) in the engine compartment junction block and the ABS control module. Repair if necessary.

    Fig 1: Measuring Voltage Between Terminal 3 Of ABS Control Module Harness Connector And Body Ground
    G06366868Courtesy of KIA MOTORS AMERICA, INC.
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