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Home >> Chevrolet >> 2006 >> Epica LT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 2.5L (LBK) - DTC P0030 To DTC P0230 >> DTC P0111 >> Component Testing

Component Testing

  1. Ignition OFF, disconnect the harness connector of the IAT sensor.
    2. IMPORTANT: A thermometer can be used to test the sensor off the vehicle.
  2. Test the IAT sensor by varying the sensor temperature while monitoring the sensor resistance. Compare the readings with the Temperature vs Resistance table and verify that the resistance is within 5 percent of the specification.
    • If the resistance vs temperature is not within 5 percent, replace the IAT sensor.
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