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Home >> Chevrolet >> 2009 >> Aveo LS, 4D Hatchback, Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Diagnostic Information and Procedures >> No Communication with Electronic Brake Control Module >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the EBCM connector.
  2. Ignition ON, check for 11-14V between the B+ circuit and ground.
    • If the voltage is not as specified, test the B+ circuit for a short to ground or an open/high resistance.
  3. Test for less than 1 ohm between the ground circuits and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance. If the circuit tests normal, replace the BPMV/EBCM.
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