26-43
If no malfunctions are detected:
Checking voltage supply of the Secondary Air Injection (AIR) pump
motor - Check the 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
VAG1598/31 test
box
socket
6 46
- Repair open circuit or short circuit if necessary.
- Replace Secondary Air Injection (AIR) pump relay -J299-.
- Remove harness connector for Secondary Air Injection (AIR) pump
motor -V101-.
- Connect VAG1527B voltage tester between terminals 1 and 2.
- Initiate output Diagnostic Test Mode (DTM) and activate Secondary Air
Injection (AIR) pump relay -J299- Page 26
-42
.
LED must light.
Pa
ge 15 of 16 Secondar
y air s
ystem, checkin
g (en
gine code ATW
)
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.26.2
26-44
If LED does not light:
- Perform the following tests marked with dots:
Check wire connection from harness
connector at Secondary Air Injection (AIR)
pump motor -V101- to Secondary Air
Injection (AIR) pump relay -J299- (in 3-
socket relay carrier in E-Box, plenum
chamber, position 2) for open circuit.
Electrical Wiring Diagrams, Troubleshooting &
Component Locations
Check wire connection from harness
connector at Secondary Air Injection (AIR)
pump motor -V101- to Ground (GND)
connection 1 in engine compartment wiring
harness for open circuit:
Electrical Wiring Diagrams, Troubleshooting &
Component Locations
If no malfunctions are detected:
- Replace Secondary Air Injection (AIR) pump
motor -V101-.
Pa
ge 16 of 16 Secondar
y air s
ystem, checkin
g (en
gine code ATW
)
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.26.2
