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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 52 (Engine Controls And Fuel - 1.4L (LV7) - DTC P0010 To DTC P0366) >> Diagnostic Information and Procedures >> DTC P0116: Engine Coolant Temperature (ECT) Sensor Performance >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.

Static Test

  1. Ignition OFF, disconnect the harness connector at the B34A Engine Coolant Temperature Sensor.
    2. NOTE:

    A thermometer can be used to test the sensor off vehicle.

  2. Test the B34A Engine Coolant Temperature Sensor by varying the sensor temperature while monitoring the sensor resistance. Compare the readings with the Temperature Versus Resistance - Intake Air Temperature Sensor (Hitachi Sensor) table and verify that the resistance is within 5% of the specification.
    • If not within the specified range, replace the B34A Engine Coolant Temperature Sensor.
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