SEAT 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 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 not possible.

Test conditions

• ● Fuse15 OK.

• ● Battery voltage at least 11 V
• ● Earth connections on engine and gearbox OK.
  (Earth connection engine: , Item 17).

Work sequence

• ‒ → Lever cover -1- or ashtray housing out from centre console.
• ‒ Connect fault reader or system tester using cable V.A.G 1551/3 to diagnosis connection.
• ‒ Depending upon desired function:
  Switch ignition on
      or
  Start engine , Table "Selectable functions".

Notes:

• ◆ If the display does not indicate as described in the work sequence:

=> Fault reader operating instructions

• ◆ If due to an input fault "Fault in the data transfer!" is displayed, pull wire off fault reader, reconnect and repeat work step.

• ‒ Operate fault reader taking into account the information on the display:
• ‒ Press key 1 for "Rapid data transfer".
• ‒ Press keys 0 and 1 for address word "Engine electronics" and confirm entry with Q key.

• ◆ 037 906 025 B = Part No. of the control unit (see parts catalogue for latest control unit version)
• ◆ SIMOS 4S = System designation and version
• ◆ XXXX = Programme level number
• ◆ Coding 00000 = Coding variants
• ◆ WSC = Workshop code

If the coding differs from the vehicle version, then:

• ‒ Check control unit coding => Page 01-6,
  Coding Simos control unit
• ‒ Press the ⇒key.

• ‒ Further measures see repair procedures.