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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls And Fuel - 2.0L (LUZ) Diesel - DTC P0016 To DTC P0406) >> Diagnostic Information and Procedures >> DTC P01F0: Coolant Temperature Diagnostic Monitoring >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
  1. Ignition OFF, disconnect the harness connector at the B34 Engine Coolant Temperature Sensor.
  2. Test the ECT sensor by varying the sensor temperature while monitoring the sensor resistance. Compare the readings with the Temperature Versus Resistance (EGT Sensors) , Temperature Versus Resistance (EGR Temperature Sensors) , Temperature Versus Resistance (Reductant Injector) , Temperature Versus Resistance (Reductant Tank Temperature Sensor) and Temperature Versus Resistance (Engine Coolant Temperature Sensor) table. The resistance values should be in range of the table values.
    • If not within the specified range 
    • Replace the B34 Engine Coolant Temperature Sensor.
    • If within the specified range 
  3. Test for infinite resistance between each terminal and the sensor housing.
    • If less than infinite resistance 

      Replace the B34 Engine Coolant Temperature Sensor.

    • If infinite resistance 
  4. Refer to Thermostat Diagnosis (2.0L Diesel LUZ) .
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