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Test 6: Abs Control Module Problem

  1. Turn ignition off. Disconnect ABSCM/HU connector. Measure resistance between ground and ABSCM/HU connector terminal No. 23. See Figure. If resistance is less than .5 ohm, go to next step. If resistance is more than .5 ohm, repair wiring harness between ground and ABSCM/HU.
  2. Check contacts at battery, ignition switch and ABSCM/HU connectors. Clean contacts as needed. Go to next step.
  3. Ensure any vehicle telephone or wireless transmitter is properly installed and routed away from sensor harness. Go to next step.
  4. Reconnect all connectors. Erase memory. Recheck for trouble codes. If same trouble code returns, replace ABSCM/HU. If other trouble codes exist, go to proper test procedure. If no trouble codes exist, problem was a temporary poor contact. Check harness and connectors.
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