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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 P007C or P007D: Charge Air Cooler (CAC) Temperature Sensor Circuit >> Circuit/System Description

Circuit/System Description

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The charge air cooler (CAC) temperature sensor is a variable resistor. The sensor is located in the CAC outlet duct before the throttle body assembly. The signal is used by the ECM to measure the intake air temperature leaving the CAC. The engine control module (ECM) supplies 5 V to the signal circuit and a ground for the low reference circuit. The ECM continuously monitors the sensor signal for an excessively high or low voltage or for a start-up signal that is not in correlation with the intake air temperature (IAT) sensor 3 start-up signal.

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