26-50
- Connect VAG 1598/31 test box at wiring
harness to ECM, do not connect ECM.
Repair Manual, 2.7 Liter V6 5V BiTurbo Fuel
Injection & Ignition, Engine Code(s): APB, Repair Group 24
- Check following wire connection for open circuit
and short circuit to Ground (GND) and B+:
3-socket relay carrier in E-
box, plenum chamber,
position 2
terminal
VAG 1598/31
test box
Bushing
6 46
- Repair open circuit or short circuit if
necessary.
If no malfunctions are detected:
- Replace Secondary Air Injection (AIR) pump
relay -J299-.
Pa
ge 23 of 29 Secondar
y air s
ystem
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE05.26.2
26-51
Check voltage supply of the Secondary Air
Injection (AIR) pump motor
- Remove connector for Secondary Air Injection
(AIR) pump motor -V101-.
- Connect VAG 1527B voltage tester between
terminals 1 and 2
- Initiate output Diagnostic Test Mode (DTM) and
activate Secondary Air Injection (AIR) pump
relay -J299-.
Repair Manual, 2.7 Liter V6 5V BiTurbo Fuel
Injection & Ignition, Engine Code(s): APB, Repair Group 01
LED must blink
Pa
ge 24 of 29 Secondar
y air s
ystem
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE05.26.2
