Antilock Brake System (ABS) Intermittent Condition

Antilock Brake System (ABS) Intermittent Condition - The Electronic Stability Control (ESC) may also be reffered to as Electronic Stability Program (ESP) depending on the vehicle model year and configuration. Certain component may also refference ESP, ESC, or use the traction control symbol.


ABS Intermittent condition test

Note : The conditions that set the DTC are not present at this time. The following list may help in identifying the intermittent condition.

Warning : When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belt, or fan. Do not wear loose clothing. Failure to follow these instructions can result in possible serious or fatal injury.

  • Perform any Technical Service Bulletins (TSB) that may apply.
  • Review the scan tool Evironmental Data. If possible, try to duplicate the conditions under which the DTC set.
  • Turn the ignition off.
  • Visually inspect the related wire harness. Disconnect all the related harness connectors. Lock for any chafed, pierced, pinched, partially broken wires and broken, bent, pushed out, or corroded terminals.
  • Wiggle the wires while checking for shorts and open circuits.
  • Perform a voltage drop test on the related circuits between the suspected inoperative component and the Antilock Brake System (ABS) Module.
  • Inspect and clean all PCM, ABS, engine, and chassis ground that are related to the most current DTC.
  • If nomerous trouble codes were set, use a wire schematic and look for any common ground or supply circuits.
  • For any Relay DTC, actuate the Relay with the scan tool and wiggle the related wire harness to try to interrupt the actuation.
  • Use the scan tool to perform a system test if one applies to failing component.
  • A co-pilot, data recorder, or lab scope should be used to help diagnose intermittent conditions. Were any problems found during the above inspections ?

Yes, Perform the neccesary repairs. Perform the ABS Verification Test. 
No, Test complete

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