ad blue AUDI A6 1998 C5 / 2.G ATQ Engine Motronic Injection System Servicing Workshop Manual
Page 8 of 78
24-6
1 -
4-pin harness connector
for Oxygen Sensor (O2S) behind Three
Way Catalytic Converter (TWC) -G130-
and Oxygen Sensor (O2S) Heater 1 -Z29-
(bank 1 sensor 2) green
2 -
4-pin harness connector for Oxygen Sensor (O2S) 2 behind Three
Way Catalytic Converter (TWC) -G131-
and Oxygen Sensor (O2S) Heater 2 -Z30-
(bank 2 sensor 2) brown
3 -
4-pin harness connector for Heated Oxygen Sensor (HO2S) -G39-
before catalytic converter and Oxygen
Sensor (O2S) Heater -Z19- (bank 1 sensor
1) Black
4 -
3-pin harness connector for Knock Sensor (KS) 1 -G61-blue
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jection s
ystem, servicin
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11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
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Page 9 of 78
24-7
5 -
Secondary Air Injection (AIR) solenoid
valve -N112-
6 -
Intake Air Temperature (IAT) sensor -G42-
7 -
4-pin harness connector
for Heated Oxygen Sensor (HO2S) 2 -
G108- before catalytic converter and
Oxygen Sensor (O2S) 2 Heater -Z28-
(bank 2 sensor 1) Black
8 -
3-pin harness connector for engine speed (RPM) sensor -G28-gray
9 -
3-pin harness connector for Knock Sensor (KS) 2 -G66-blue
Pa
ge 9 of 78 Motronic in
jection s
ystem, servicin
g
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.24.1
Page 17 of 78
24-15
Intake manifold change-over components,
removing and installing
1 -
Vacuum setting element
2 -
Compression spring
3 -
Rotary change-over valve
4 -
Intake Manifold
5 -
Check-valve
Installed position: blue side toward Y-piece
6 -
Y-piece
7 -
Intake manifold change-over valve -N156-
Pa
ge 17 of 78 Motronic in
jection s
ystem, servicin
g
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.24.1