ad blue AUDI A4 1997 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual

24-3


1 -
Harness connector
For O2S behind TWC -G130- and O2S
heater -Z29- 4-pin connector, greenFor bank 1, sensor 2
2 -
Harness connector For O2S 2 behind TWC -G131- and O2S 2
heater -Z30- 4-pin connector, brownFor bank 2, sensor 2
3 -
Harness connector For HO2S -G39- with O2S heater -Z19-4-pin connector, blackFor bank 1, sensor 1
4 -
Harness connector For Knock Sensor (KS) 1 -G61-3-pin connector, blue
5 -
Secondary Air Injection (AIR) solenoid
valve -N112-
Pa
ge 3 of 166 Motronic Multi
port Fuel In
jection
(MFI
) and i
gnition s
ystem
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU03.24.1

24-4


6 -
Intake Air Temperature (IAT) sensor -G42-
7 -
Harness connector
For HO2S 2 -G108- with O2S heater -Z28-4-pin connector, blackFor bank 2, sensor 1
8 -
Harness connector For Knock Sensor (KS) 2 -G66-3-pin connector, blue
9 -
Harness connector For engine speed (RPM) sensor -G28-3-pin connector, gray
10 -
Electronics box (E-box)
Contains:Motronic Engine Control Module (ECM) -
J220- Secondary Air Injection (AIR) pump relay -
J299-
Pa
ge 4 of 166 Motronic Multi
port Fuel In
jection
(MFI
) and i
gnition s
ystem
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU03.24.1