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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P040B - P204D)) >> Diagnostic Information And Procedures >> DTC P10D5: Charge Air Cooler Temperature Sensor 2 Performance >> Circuit/System Description

Circuit/System Description

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The charge air cooler (CAC) temperature sensor 2 is a variable resistor. The sensor is located in the CAC outlet duct after the CAC assembly. Its signal is used by the ECM to measure the temperature of the intake air exiting the CAC. The engine control module (ECM) supplies 5 V to the signal circuit and a ground for the low reference circuit. The ECM monitors the sensor signal for a start-up signal that is not in correlation with the intake air temperature (IAT) sensor 3 start-up signal and fuel temperature sensor signal.

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