EGR COOLER BYPASS VALVE [SKYACTIV-D 2.2]

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Purpose, Function

•  The amount of exhaust gas not passed through the EGR cooler, which is re-circulated to the intake manifold, is adjusted.

Construction

•  The EGR cooler bypass valve is installed to the intake manifold.
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•  Consists of the valve, spring, rod, filter, plug, and motor component.
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•  The EGR cooler bypass valve has an integrated EGR cooler bypass valve position sensor. (See EGR COOLER BYPASS VALVE POSITION SENSOR [SKYACTIV-D 2.2].)

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 valve.

Fail-safe

DTC

Fail-safe
P245A:00
P245B:00
P24A5:00
•  PCM restricts engine torque.
•  Stops EGR valve control
•  Stops EGR cooler bypass valve control
•  Stops diesel particulate filter regeneration control
P2494:00
•  Stops EGR cooler bypass valve control
P2495:00
•  Stops EGR valve control
•  Stops EGR cooler bypass valve control