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Final control diagnosis > < Fault table

Polo Mk3

Diesel injection and glow plug system
Self diagnosis
Erasing fault memory

Special tools, testers and auxiliary items

  • ◆ Fault reader V.A.G 1551 or vehicle system tester V.A.G 1552 with cable V.A.G 1551/3

Test conditions

  • ● Fault eliminated

Note:

After eliminating faults the fault memory must be interrogated again as follows and then erased.

Work sequence

  • ‒ Connect fault reader V.A.G 1551 (V.A.G 1552) and with the "Address word" 41 select the Diesel pump electronics control unit. When doing this the engine should be idling.
    (Connecting fault reader and selecting engine electronics control unit .)
 
→ Indicated on display:
Rapid data transfer     HELP
Select function XX
  • ‒ Press keys 0 and 2 for function "Interrogate fault memory" and confirm entry with Q key.
 
→ Press ⇒key until all faults still stored have appeared and the display reads:
Rapid data transfer     HELP
Select function XX
  • ‒ Press keys 0 and 5 for the function "Erase fault memory" and confirm entry with Q key.
    		•
     
    → Indicated on display:
    Rapid data transfer     ⇒
    Fault memory is erased!
    • ‒ If the fault memory will not erase there is a fault still in the system and this must be rectified.
    • ‒ Press the ⇒key.
     
    → Indicated on display:
    Rapid data transfer     HELP
    Select function XX
    • ‒ Press keys 0 and 6 for the "End data transfer" function and confirm input with the Q key.
    • ‒ Carry out a road test and interrogate fault memory again. No faults must be displayed.

    Final control diagnosis > < Fault table