Toyota Hilux Injector Coding

Specifically by adopting a two dimensional code each injector has a 30 digit code that contains its own deviation. I can only speak of the manufacturers diagnostic tool so the process is to record the numbers down fit the injectors then code them to the ecu manually typing the numbers in.

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The injector coding number should be noted by the technician prior to fitting the new injectors and after replacement is completed the technician can then program in the new injector numbers to replace the ones previously programmed into the ecu.

Toyota hilux injector coding. Injector coding in short manufacturers have introduced injector coding because they are facing evertightening controls on emissions. Most common failure mode is known as cold knock which essentially sounds like there is a major fault with a bottom end bearing only whilst cold. Engine care 32828 views.

This is carried out using a scan diagnostic tool after the injectors have been coded to the vehicle and fitted to the engine. Toyota hilux prado 1kd engine piston failure explained hole cracked etc duration. The codes are 0 9 and a to f only and its common to mix up b and 8.

Install injector boots into their holes then hand tighten all injector lines to their injectors. Injector programming can be carried out with high level diagnostic scan tools such as g scan or opus cmt. Toyota 1kd hiluxprado and mitsubishi 4m41 tritonpajero an injection pilot relearn will need to be performed in addition to the coding of each injector to the ecu.

For some later model vehicles eg. Another common issue is physically entering in the wrong digits. Toyota injectors must be calibrated to the ecu using the toyota itii or techstream software.

Launch software xiajinan to balance injection quantity deviation among injectors toyota developed a software compensation method for the new common rail system which compensates injection quantity deviations among the injectors. Fitting some new injectors means we have to tell the ecu what we have done so that it can make the appropriate calculation to allow the engine to run to its optimum state once the injector is fitted this is. They cant code the injectors because theyre trying to use the wrong ones.

The common rail injectors fitted to 1kd engines are fairly problematic and can cause significant engine damage if left unattended. Tighten intercooler band clamps and install engine cover note. They can also have what looks like a qr code too.

New diesel injectors have a 16 digit code on them thats what is used to code them to the vehicle ecu. The calibration codes are located on top of each injector.