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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P0016 - P049D)) >> Diagnostic Information And Procedures >> DTC P02E1, P02E4, Or P02E5: Intake Air Flow Valve Control Performance/Intake Air Flow Valve Stuck >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different variant/trim than selected.

For an overview of the component/system, refer to: Intake Airflow Valve System Description

Circuit Description
Control - Terminal 1 The output circuit is switched from ground to 12 V to activate the component.
The output is PWM controlled.
Control - Terminal 2 The output circuit is switched from ground to 12 V to activate the component.
The output is PWM controlled.
Component Description
K20 Engine Control Module The control module contains a microprocessor used to process input data to control outputs.
The control module controls a series of actuators to ensure optimal engine performance. The control module does this by reading values from a variety of sensors, interprets the data and adjusts the engine actuators accordingly.
Q20 Intake Air Flow Valve The intake air flow valve of diesel engines reduces the intake air flow rate in part load operation so that a higher exhaust gas recirculation rate can be achieved.
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