EGR VALVE [SKYACTIV-D 2.2]

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Purpose, Function

•  The amount of exhaust gas passed through the EGR cooler, which is re-circulated to the intake manifold, is adjusted.

Construction

•  The EGR valve is installed to the intake manifold.
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•  The EGR valve consists of the DC motor, valve, spring, valve gear, and mid gear.
•  The EGR valve has an integrated EGR valve position sensor. (See EGR VALVE POSITION SENSOR [SKYACTIV-D 2.2].)
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Operation

•  The PCM drives the DC motor of the valve by the pulse-width modulation signal.
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•  Control of exhaust gas temperature is enabled by cooperative control of the EGR cooler bypass valve.

Fail-safe

DTC

Fail-safe
P0404:00
•  Limits engine torque.
•  Inhibits the automatic DPF regeneration control.
•  Inhibits the manual DPF regeneration control.
•  Inhibits the EGR control.
•  Inhibits the boost control.
•  Inhibits engine-stop by i-stop control.
P0488:00
P0405:00
•  Limits engine torque.
•  Inhibits the automatic DPF regeneration control.
•  Inhibits the manual DPF regeneration control.
•  Inhibits the EGR control.
•  Inhibits the boost control.
P0406:00