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Secondary Air Injection (AIR) Pump Relay -J299- and Secondary Air Injection (AIR) Pump Motor -V101-, Checking


Secondary air injection (AIR) pump relay J299- and secondary air injection (AIR) pump motor -V101-, checking





Special tools and equipment
^ V.A.G 1526 A
^ V.A.G 1527 B
^ V.A.G 1594 A
^ V.A.G 1598/31
^ VAS 5051 with VAS 5051/1

Work sequence
- Connect up vehicle diagnostic, testing and information system VAS 5051 and select vehicle system "01- Engine electronics" from list. Ignition must be on.





Indicated on VAS 5051:
- From list -1- select diagnostic function "03- Final control diagnosis".
- Keep touching > key, until the secondary air injection (AIR) solenoid valve -J299- is activated.





^ Secondary air pump relay (in 3-position relay carrier in plenum chamber electronics box, position 2) must be energized and secondary air pump motor -V101 must run intermittently

- Terminate function "03- Final control diagnosis" by touching 4 key.
- Switch ignition off.

A - If relay is not energized:
- Check secondary air injection (AIR) pump relay power supply.
- Check actuation of secondary air pump relay.
B - If relay is energized but secondary air pump motor does not run:
- Check power supply for secondary air pump motor.