heater AUDI A6 1995 C5 / 2.G ATQ Engine Motronic Injection System Servicing Workshop Manual
[x] Cancel search | Manufacturer: AUDI, Model Year: 1995, Model line: A6, Model: AUDI A6 1995 C5 / 2.GPages: 78, PDF Size: 1 MB
Page 7 of 78

24-5
 
  
Component locations, overview
 
Notes: 
 
Other component Locations   Fig.   7
 , page 
 Page 24
-11
 up to Fig.   12
 , page   Page 
24
-13
 . 
 Component Locations without illustration:
A - Oxygen Sensor (O2S) Behind Three 
Way Catalytic Converter (TWC) -G130- 
with Oxygen Sensor (O2S) Heater 1 -
Z29- 
Bank 2, sensor 1Accessible from below after vehicle has 
been lifted 
B - Oxygen Sensor (O2S) 2 Behind Three 
Way Catalytic Converter (TWC) -G131- 
with Oxygen Sensor (O2S) Heater 2 -
Z30- Bank 2, sensor 2Accessible from below after vehicle has 
been lifted 
C - Leak Detection Pump (LDP) -V144-Below the rear left wheelhousing liner
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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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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
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Page 10 of 78

24-8
 
  
10 - 
E-box in plenum chamber 
Motronic Engine Control Module (ECM) -
J220- Secondary Air Injection (AIR) Pump Relay -
J299-  Fig.  10
 , page   Page 24
-12
 
11 - 
Valve -2- for camshaft adjustment -N208- 
12 - 
Camshaft Position (CMP) sensor 2 -G163- 
Bank 1
13 - 
Heated Oxygen Sensor (HO2S) -G39- 
before catalytic converter with Oxygen 
Sensor (O2S) Heater -Z19- Bank 1, sensor 1
14 - 
Ground connection on the engine bracket, right side
15 - 
Mass Air Flow (MAF) sensor -G70- Checking  Page 24
-56
16 - 
Evaporative Emission (EVAP) canister 
purge regulator valve -N80- 
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Page 12 of 78

24-10
 
  
22 - 
Camshaft Position (CMP) sensor 2 -G40- 
Bank 2
23 - 
Heated Oxygen Sensor (HO2S) 2 -G108- 
before catalytic converter with Oxygen 
Sensor (O2S) 2 Heater -Z28- Bank 2, sensor 1
24 - 
Knock Sensor (KS) 2 -G66- 
25 - 
Ignition coils (-N-, -N128-, -N158-) with power output stage -N122-
26 - 
Knock Sensor (KS) 1 -G61- 
27 - 
Fuel injectors -N30- through -N33-
,Cylinder 5/6 Fuel Injector -N83-, -N84- 
28 - 
Valve -1- for camshaft adjustment -N205- 
29 - 
Secondary Air Injection (AIR) pump 
motor-V101- 
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Page 21 of 78

24-19
 
    
-  Remove Heater Core E-box cover -arrows-.
    
Note:  
Adaptation values are erased when connector is disconnected from the 
Engine Control Module (ECM), DTC memory content remains intact.  -  Using a screwdriver, carefully pry off retaining bracket (arrow).
-  Disengage locking lugs and remove control module connector.
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Page 24 of 78

24-22
 
    
-  Pull off rubber seal of plenum chamber cover in direction of arrow.
-  Remove cover -1- toward front.
    
-  Remove Heater Core E-box cover -arrows-.
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