Volkswagen Workshop Service and Repair Manuals

Special tools, testers and auxiliary items

• ◆ Fault reader V.A.G 1551 with cable V.A.G 1551/3

Note:

The vehicle system tester V.A.G 1552 can be used instead of the fault reader V.A.G 1551, however a print-out is then not possible.

Test conditions

• ● Fuse 21 OK.
• ● Battery voltage at least 11 V
• ● Earth connections on engine and gearbox OK.
  (Earth connection engine , Item 11 ).

Work sequence

• ‒ → Remove front ashtray in center console.
• ‒ Connect fault reader V.A.G 1551 with cable V.A.G 1551/3
• ‒ Depending upon desired function:
  Switch on ignition
  or
  Start engine , Table "Selectable functions".

Note:

If display does not indicate as per work sequence:

=> Fault reader operating instructions

• ◆ If "faults in data transfer!" are indicated caused by input faults, pull wire off fault reader, reconnect and again perform work step.

• ‒ Operate fault reader taking into account the information on the display.
• ‒ Input 1 for "Rapid data transfer".
• ‒ Input 01 for address word "Engine electronics" and confirm with Q.

• ◆ 17S 906 258 C = Part No. of the control unit (for the latest control unit version see parts catalogue)
• ◆ MP 9.0 = System designation and version
• ◆ 26ZA0000 = Program level number
• ◆ WSC = Workshop code

• ‒ Press ⇒Key.

• ‒ Further measures see repair procedures.