SEAT Workshop Service and Repair Manuals

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

• ◆ → V.A.G 1527 B Diode test lamp

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

Check conditions

• ● → Fuse No. 16 OK.

Functional check

• ‒ Pull 2-pin connector -arrow- off coolant circulation pump (V50).

• ‒ → Connect contacts of coolant circulation pump (V50) to battery using adapter cables from V.A.G 1594 A.
      Coolant circulation pump must run.

If the coolant circulation pump does not run:

• ‒ Replace coolant circulation pump (V50).

If the coolant circulation pump (V50) runs:

• ‒ Switch ignition off and on again.

Checking activation

• ‒ → Connect diode test lamp V.A.G 1527 B to disconnected connector for coolant circulation pump (V50) with aux. cables from V.A.G 1594 A
      LED must light up.

Note:

This check must be performed within 3 minutes of switching ignition off.

LED does not light up:

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

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