This function is required by service centres when an Injector needs to be replaced, or there is a driveability problem.
For 1.8 TDCi and 2.0 TDCi engines the each injector has a 16-digit calibration code stamped on the body.
For 1.6 TDCi engines the each injector has an 8-digit calibration code stamped on the body.
These codes relate to the electrical and structural characteristics of each injector,which are defined during production. The PCM must know the calibration codes for each injector in order to treat and operate the injectors in the correct manner. This helps to reduce emissions and improve performance.
The code must be programmed in by communicating and downloading the code into the PCMs memory.
There are three common situations which demand this function.
1.After Injector replacement.
2.Fuel injection system
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