SEAT Workshop Service and Repair Manuals

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

• ◆ V.A.G 1551 Fault reader

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.

• ◆ V.A.G 1551/3 Cable

Check conditions

• ● → The fuses must be OK.
• ● The battery voltage must be at least 11.5 V.
• ● The suction hose for secondary air pump is not blocked or kinked
• ● No faults must be stored in fault memory

=> Repair group 01; Fault memory; Interrogating and erasing fault memory of engine control unit

• ● Fuse for secondary air pump relay (J299) OK.

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

Test sequence

• ‒ Remove noise insulation tray.
• ‒ → Detach the pressure hose -arrow- from the secondary air pump motor.

Note:

To release, press together the buttons on the hose coupling.

• ‒ Activate the secondary air pump relay (J299) via the final control diagnosis.

=> Repair group 01; Final control diagnosis; Performing final control diagnosis

• The secondary air pump motor must run in intervals and air must exit from outlet connection.

If the motor runs, but little or no air exits:

• ‒ Proceed with final control diagnosis until completed.
• ‒ Press keys 0 and 6 for the function "End output" and confirm entry with the Q key.
• ‒ Switch off ignition.
• ‒ Replace secondary air pump motor., item 18.

If the secondary air pump motor does not run at intervals:

• ‒ Check activation of secondary air pump motor (V101):

=> Repair group 01; Final control diagnosis; Performing final control diagnosis