wheel AUDI A4 2000 B5 / 1.G APB Engine Secondary Air System Workshop Manual
Page 3 of 29
26-33
2 -
Motronic Engine Control Module (ECM) -
J220-
3 -
Combination valve for secondary air
injection (AIR)
4 -
Secondary Air Injection (AIR) solenoid
valve -N112-
Installation position Fig. 1
5 -
Secondary Air Injection (AIR) pump motor
-V101-
Installation position Fig. 2
6 -
Check valve
Installation position (light/dark side): Arrow
points in direction of flow, as shown in
figure.
7 -
To Intake manifold
8 -
Combination valve for secondary air
injection (AIR)
9 -
Vacuum reservoir Installation location: Under wheel housing
liner in wheel housing
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