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Engine Control Unit - a computer that controls a car engine. Below are some basic questions about ECU's answered.

How do I tell if my ECU is manual or auto?

OBD1auto_manual.jpg

How do I tell if I have a JDM or USDM ECU?

OBD1USDM_JDM.jpg

It is also worth noting that ALL USDM have 37820-P??-A##. Another easy way to tell if you have a USDM.

Revision: r1.1 - 24 Mar 2005 - 23:22 GMT - Badboypolar { Edit | Attach | History | More }
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