AUDI A4 1999 B5 / 1.G Brakes Output DTM 03 Workshop Manual

AUDI A4 1999 B5 / 1.G Brakes Output DTM 03 Workshop Manual A4 1999 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1137/w960_1137-0.png AUDI A4 1999 B5 / 1.G Brakes Output DTM 03 Workshop Manual
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Page 1 of 66

AUDI A4 1999 B5 / 1.G Brakes Output DTM 03 Workshop Manual 01-149
 
     
Output Diagnostic Test Mode 
(DTM) (function 03) 
      Output Diagnostic Test Mode (DTM) is used to 
check the function of actuators. Actuators are 
also called actors. These are compo

Page 2 of 66

AUDI A4 1999 B5 / 1.G Brakes Output DTM 03 Workshop Manual will be able to identify any mechanical 
malfunctions in the individual actuators if the 
results of the output DTM are not as specified 
here. Replace the relevant part.  
Pa
ge 2 of 66 Out
put Dia
g

Page 3 of 66

AUDI A4 1999 B5 / 1.G Brakes Output DTM 03 Workshop Manual 01-150
       For Bosch 5.3 ABS/EDL, output Diagnostic Test 
Mode (DTM) enables you to check the 
electrically actuated hydraulic valves and the 
pump motor in the hydraulic module. Also check 
whethe

Page 4 of 66

AUDI A4 1999 B5 / 1.G Brakes Output DTM 03 Workshop Manual 01-151
      
Notes:  
     
To avoid overloading the components being 
checked, they are actuated during the test 
sequence for a period of 60 (or 90) seconds. 
The actuator test will be terminated i

Page 5 of 66

AUDI A4 1999 B5 / 1.G Brakes Output DTM 03 Workshop Manual 01-152
      
During the test, the individual test steps are 
shown in the second line of the VAG1551 
scan tool display. The following 
abbreviations are used. 
      IV = Inlet valve  
      OV = Ou

Page 6 of 66

AUDI A4 1999 B5 / 1.G Brakes Output DTM 03 Workshop Manual 01-153
      
-  Connect the VAG1551 Scan Tool (ST) and 
select address word 03 "Brake Electronics". 
     
-  Check the control module version   page 01
-
128
 and press the  button. 
Rapid data tran

Page 7 of 66

AUDI A4 1999 B5 / 1.G Brakes Output DTM 03 Workshop Manual 01-154
 
Output Diagnostic Test Mode (DTM) 
- 
ABS hydraulic pump -
V64-
    
Indicated on display:  
ABS/EDL hydraulic pump -V64- must start running. This is audible.  
    
When you put your foot on

Page 8 of 66

AUDI A4 1999 B5 / 1.G Brakes Output DTM 03 Workshop Manual 01-155
 
Output Diagnostic Test Mode (DTM) 
- 
Operate brake
    
Indicated on display:  
- 
Press  button.
Output Diagnostic Test Mode (DTM) 
- 
Ifl: 0V 
Ofl: 0V 
fl wheel locked
    
Indicated on di

Page 9 of 66

AUDI A4 1999 B5 / 1.G Brakes Output DTM 03 Workshop Manual 01-156
      
- 
Press  button.Output Diagnostic Test Mode (DTM) 
- 
Ifl: B+ 
Ofl: 0V 
fl wheel locked
    
Indicated on display:  
Keep pressing brake pedal.  
    
Inlet valve is activated. It inter

Page 10 of 66

AUDI A4 1999 B5 / 1.G Brakes Output DTM 03 Workshop Manual 01-157
 
Output Diagnostic Test Mode (DTM) 
- 
Ifl: B+ 
Ofl: B+ 
fl wheel free
    
Indicated on display:  
Keep pressing brake pedal.  
The inlet valve and the outlet valve for the left-front wheel a
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