Volkswagen Workshop Service and Repair Manuals

Special tools, testers and auxiliary items

• ◆ Fault reader V.A.G 1551 (or vehicle system tester V.A.G 1552) with
       ▸ 07.93: Cable V.A.G 1551/1
       08.93 ▸: Cable V.A.G 1551/3

Work sequence

• ‒ Connect fault reader V.A.G 1551 (V.A.G 1552) and select engine electronics control unit (address word 01); selection is carried out with engine idling.
  

Only when engine does not start:

• ‒ Operate starter for approx. 6 seconds and then do not switch off the ignition.

Note:

When the fault memory is interrogated with engine stationary without having operated the starter for at least 6 seconds, the fault "Hall sender -G40, no signal" will be displayed, even if no fault is present.

• ‒ Switch on fault reader printer with the print button. The warning lamp in key lights up.

• ‒ Operate fault reader taking into account the information on the display:
• ‒ Input 02 for "Interrogate fault memory" function and confirm with Q.

If one or more faults are stored:

The stored faults will be displayed and printed out one after the other.

• ‒ Input 06 for "End output" function and confirm with Q.
• ‒ Locate and eliminate faults printed out as per fault table => Page 01-9 .
• ‒ Erasing fault memory => Page 01-18

If no fault is stored:

• ‒ Press ⇒key.

• ‒ Input 06 for "End output" function and confirm with Q.

Note:

If the self-diagnosis has not detected a fault, use the appropriate fault table in "Fault finding engine" binder for further fault finding.