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Home >> Pontiac >> 2006 >> Solstice Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 2.4L - DTC P0010 To DTC P0340 >> DTC P0116 >> Circuit/System Testing

Circuit/System Testing

  1. Disconnect the ECT sensor.
  2. Turn ON the ignition, with the engine OFF.
  3. Measure for the proper range of 4.9-5.2 volts between the ECT sensor signal circuit and a good ground with a DMM.
    • If the voltage is less than 4.9 volts, test the ECT sensor signal circuit for a high resistance short to ground.
    • If the ECT sensor signal circuit tests normal, and the voltage is still not within the proper range, then replace the ECM.
  4. Remove and test the ECT sensor. Refer to Component Testing.
    • If the resistance measurements of the ECT sensor are out of range, replace the sensor.
    • If the ECT sensor tests normal and the DTC continues to set, then replace the ECM.
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