The ecu (or PCM) is the drivetrain computer. A flash update is just like a Windows or Mac program update. The manufacturer has altered the code and it has to be installed on the computer. The shop uses a bi-directional scan tool to load in the new software.
They do the same thing when they install a rebuilt computer--they have to install the software.
Car ECU progammer is used for reading and programming ECU content of eeprom file (or ROM memory with maps if eeprom physically not present). there have many different ecu modify * re-programming tools from vipprogrammer.com
When a check engine light appears on a 1992 Honda Prelude dashboard it means the ECU is get an abnormal reading on one of the automobiles functions. Use a diagnostic tool to flash the ECU and find the problems associated the car. The flash will also turn off the check engine light.
ecu program for 89 prelude si.what is it andwhere . htanks
It takes special equipment to "flash" a new computor. Your local auto parts store can send it out for this service.
You more or less can't. You will be a stand alone or piggy back ECU and program that instead.
Take it to the dealer.
no
location of the ecu on 1993 Lexus LS400
Flash the ECU
Assuming you mean the engine ECU, the answer is no
There is not a single ECU sensor. There are dozens of sensors on this car that feed the ECU
An ecu for this car would cost about $120
Depending on what part of the ecu is bad, yes.