SEAT Workshop Service and Repair Manuals

Special tools, workshop equipment, testers, measuring instruments and auxiliary items required

• ◆ V.A.G 1594 A Auxiliary test set
• ◆ Current flow diagram

Test conditions

• ● → The main fuses must be OK.
• ● Radiator fan thermo switch (F18) OK.

Test sequence

• ‒ Remove noise insulation tray.
• ‒ Pull 3 pin connector off radiator fan thermo switch (F18).

• ‒ → Bridge contact -1- and contact -2- of connector using adapter cables from V.A.G 1594 A.
      1st speed of radiator fans (V7) and (V35) must begin to run.
• ‒ Bridge contact -2- and contact -3- of connector with auxiliary cables from V.A.G 1594 A.
      2nd speed of radiator fans (V7) and (V35) must begin to run.
  

If 1st or 2nd speeds of fans do not run:

• ‒ Locate and rectify open circuit using current flow diagram:

=> Current flow diagrams, Electrical fault finding and Fitting locations

If no wiring fault is detected:

• ‒ Renew radiator fan (V7) or (V35).