How ECU work-
July 12th, 2010
Engine Control Unit (ECU), the most powerful computer on most cars, considering the engine-controlling is the most processor-intensive job on car. A control scheme (closed loop control) that ECU uses monitors outputs of a system to control the inputs to a system, managing the emissions and fuel economy of the engine (as well as a host of other parameters).
With the help of data collected from dozens of different sensors, the ECU knows everything from the coolant temperature to the amount of oxygen in the exhaust. And also performs millions of calculations each second, including looking up values in tables, calculating the results of long equations to decide on the best spark timing and determining how long the fuel injector is open.
With all these activities, the ECU ensure to lowest emissions and best mileage.
A modern ECU might contain a 32-bit, 40-MHz processor. It may not sounds fast as compared to the 500 – to 1,000-MHz processor that probably have in PC, but remember that the processor in car is running much more efficient code than the one in PC. The code in an average ECU takes up less than 1 megabyte (MB) of memory.
Comparing ECU with PC, it probably has at least 2 gigabytes (GB) of programs on computer — that’s 2,000 times the amount in an ECU.
SIA Electronics launched Auto Computers Online Shops
July 1st, 2010
SIA Electronics, a leader in automotive electronics for over 20 years, has launched it’s Auto Computers Online Shop.
SIA Electronics is the nation’s premier remanufacturer & master distributor of superior quality remanufactured automotive electronic control units / engine control units / engine control modules / engine control computers (ECU’s, ECM’s, ECC’s) & transmission control units (TCU’s, TCM’s, TCC’s) for all domestic & import vehicle applications.
SIA Electronics Online Shop Launch:
Auto Computer Systems – Online Shop for ECUs, TCUs & EBCMs

Auto Tech Auto – Online Shop for ECUs, TCUs & EBCMs
Audi Auto Computers – Audi Computers Online Shop
BMW Auto Computers – BMW Computers Online Shop
Ford Auto Computers – Ford Computers Online Shop
Buick Auto Computers – Buick Computers Online Shop
Honda Auto Computers – Honda Computers Online Shop
Mercedes-Benz Auto Computers – Mercedes-Benz Computers Online Shop
Mitsubishi Auto Computers – Mitsubishi Computers Online Shop
GMC Auto Computers – GMC Computers Online Shop
Each of the remanufactured applications is an OEM unit & not an aftermarket replacement, providing you with premium products that look, feel & operate exactly like the original units they replace. Each ECU / ECM / ECC & TCU / TCM / TCC application undergoes the industry’s leading engineering & remanufacturing processes, which consist of cutting edge technology, sophisticated engineering & tooling, the selection of only the finest components, precision machining & finally our continuous laboratory testing & final inspection processes that set the industry standard for unparalleled quality.
And then the SIA Electronics provide you with their incredible factory-direct pricing & fully stand behind their work with their exceptional Lifetime Service Guarantee.
Need your current ECU / ECM / ECC or TCU / TCM / TCC fixed or remanufactured? Take advantage of SIA Electronics’ industry-leading Remanufacture & Return (R&R) Services for all applications.
On every purchase of ECU, TCU or ABS module, customer can enjoy $5 discount. Any customers have already taken the advantage of this offer. Its great response to this offer.
















