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1. OVERVIEW FOR CDPF (EURO IV)
1) General Description
The CDPF (Catalyst & Diesel Particulate Filter) was installed to the Rexton II D27DTP engine
previously. However, it is now installed to the all 2009 DI engine models, except the Actyon
Sports. The DI engine types installed to Rexton are D27DTP, D27DT and D20DT, and their CDPF,
related sensor and operation logic are the same.
This section describes the CDPF system (based on Euro IV) which is installed to the Rexton II
D27DTP engine (older model).
2) Compatibility of CDPF System by Vehicle Model
Rexton II: Same CDPF system for D27DTP and D27DT engines (including its components)
Kyron & Actyon: Same CDPF system for D27DT and D20DT engines (including its components)
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The CDPF assemblies installed to the Euro IV D27DTP Rexton II and 2009 Rexton II are
different in their mounting layout, but their front/rear exhaust temperature sensors and
differential pressure sensors are same.
3) System Met with Euro IV Regulations
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E-EGR valve
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EGR cooler
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Engine ECU (Ver. 3.2)
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HFM sensor
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C3I injector
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Electronic throttle valve (body)
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Other engine mounting components
For details about the modified components and system related to the Euro IV regulations, refer to
the 2008 Rodius engine service manual.
2412-02
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