Golf Mk3
Self diagnosis
Function
The Digifant control unit (J169) for the injection and ignition system is equipped with a fault memory. If faults occur in the sensors and components being monitored, they will be stored in the fault memory together with an indication of the type of fault. The fault memory of the Digifant 3.2 version is limited to 4 storage spaces. For this reason a maximum of 4 faults can be stored simultaneously. The faults stored can be read-out with the fault reader V.A.G 1551 or the vehicle system tester V.A.G 1552 . The fault memory must be erased after the faults has been eliminated => Page 01-7 . Faults like a temporary open circuit or loose contact, are stored and displayed as follows:
Faults, concerning the function of the Lambda control, can only be interrogated if:
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