fuel AUDI A4 2000 B5 / 1.G AHA ATQ Engines Secondary Air System Workshop Manual

26-12


Secondary Air Injection (AIR)
system

Check Diagnostic Trouble Code (DTC)
memory.

Repair Manual, 2.8 Liter V6 5V Fuel Injection
& Ignition, Repair Group 01

Initiate output Diagnostic Test Mode (DTM).

Repair Manual, 2.8 Liter V6 5V Fuel Injection
& Ignition, Repair Group 01

Initiate "Basic Setting" (scan tool function 04).

Repair Manual, 2.8 Liter V6 5V Fuel Injection
& Ignition, Repair Group 01

Check Secondary Air Injection (AIR) valve.

Repair Manual, 2.8 Liter V6 5V Fuel Injection
Pa
ge 1 of 10 Secondar
y Air In
jection
(AIR
) system
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE03.26.2

26-16

Secondary Air Injection (AIR) system
components, removing and installing

Component locations page 26
-14
.
Fuel injection and ignition components.

Repair Manual, 2.8 Liter V6 5V Fuel Injection
& Ignition, Repair Group 24
Note:
Always replace gaskets and seals.

A - Combination valve, left

- Remove engine coolant expansion tank from
bracket.

- Disconnect vacuum line -1-.
- Disconnect connection tube -2- from combination valve.
Tightening torque: 10 Nm (7 ft lb).
- Remove bolts -3- for combination valve from cylinder head and remove
valve.
Tightening torque: 10 Nm (7 ft lb).
Pa
ge 7 of 10 Secondar
y Air In
jection
(AIR
) system
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE03.26.2