check engine 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 3 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-2
      
It is possible that the control module will 
recognize a malfunction and store a DTC during 
some tests. After completing all tests and 
repairs, DTC memory should therefore be 
checked an

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 22 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-20
 
    
Important note:  
After re-connecting the Engine Control Module (ECM), the following work 
steps must be performed: 
- Check DTC memory and erase it if necessary   Page 01
-15
 . 
- Perfo

Page 25 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-23
 
    
Installing  
Installation is reverse of removal, noting the following:  
Important note:  
After installing new Engine Control Module (ECM), the following work 
steps must be performed:

Page 26 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-24
      - Observe notes for coding new Engine Control 
Module (ECM)   Page 01
-71
 . 
     - For vehicles with cruise control (discernable at 
steering column), switch this free in ECM:

Page 28 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-26
      
Notes:  
     
Idle speed cannot be adjusted.
     Idle speed is checked during basic setting of 
the engine. 
     During basic setting, the Evaporative Emission 
(EVAP) canister purge r

Page 29 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-27
 
Basic Settin
g 
Q
Input display group number XXX
    
When indicated on display:  
-  Press buttons -0-, -5- and -6- to select "display group number 056" and press -Q-
button to confirm input.

Page 31 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-28
      
Notes:  
     
Engine speed in display field 1 (actual engine 
speed) is the current engine speed. 
     Engine speed in display field 2 (specified 
engine speed) is a theoretical engine

Page 35 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-30
      
Fuel pressure regulator and residual 
pressure, checking
 
     
Note:  
     Fuel pressure regulator regulates fuel pressure 
according to intake manifold pressure. This 
ensures that th
Page:   1-10 11-20 21-30 31-40 40 next >