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

• ● → All fuses must be OK.

Test sequence

• ‒ → Pull 2-pin connector off continued coolant circulation pump (V51) -arrow- .

Functional check

• ‒ → Connect contacts of continued coolant circulation pump (V51) to battery using auxiliary cables from V.A.G 1594.
      Continued coolant circulation pump must run.

If the continued coolant circulation pump does not run:

• ‒ Replace continued coolant circulation pump (V51).

If the continued coolant circulation pump (V51) runs:

Checking activation

• ‒ Switch ignition off and on again.

• ‒ → Connect diode test lamp V.A.G 1527 B to disconnected connector for continued coolant circulation pump (V51) with auxiliary cable from V.A.G 1594 A
      LED must light up.

Note:

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

If the LED does not light up:

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

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