sensor AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual A4 2000 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1064/w960_1064-0.png AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual

Page 7 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 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

Page 8 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 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 c

Page 9 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 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 cata

Page 10 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 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 ad

Page 11 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-9
 
  
17 - 
Engine Coolant Temperature (ECT) sensor 
-G62- 
for Engine Control Module (ECM)At coolant line behind cylinder head engine 
bank 1 with Engine Coolant Temperature (ECT) 
Sensor -G2- Ch

Page 12 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 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 - 
K

Page 13 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-11
 
    
Fig. 7  Component location, fault light for power accelerator 
activation -K132- 
    
Fig. 8  Installation position, Throttle Position (TP) sensor -G79- 
and sender 2 for accelerator ped

Page 16 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-14
 
  
Air filter, disassembling and assembling
 
1 - 
Cover 
2 - 
Air duct 
to metering unit
3 - 
Mass Air Flow (MAF) sensor -G70- 
4 - 
10 Nm 
5 - 
Connection hose 
6 - 
Seal 
7 - 
Air filter, u

Page 37 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-32
      
- Measure fuel pressure.
     
 
Specification: 3.8 to 4.2 bar
     
-  If the specified value is not reached, replace 
pressure regulator on a trial basis and repeat 
pressure test.

Page 51 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-43
      
Fuel injectors, removing and installing
 
    
-  Remove engine cover (arrows).
-  Remove intake air hose between Mass Air Flow (MAF) sensor and 
intake air elbow. 
-  Remove all harness
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