AUDI A4 1999 B5 / 1.G AWM Engine Camshaft Timing Control Workshop Manual

AUDI A4 1999 B5 / 1.G AWM Engine Camshaft Timing Control Workshop Manual A4 1999 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/930/w960_930-0.png AUDI A4 1999 B5 / 1.G AWM Engine Camshaft Timing Control Workshop Manual

Page 1 of 7

AUDI A4 1999 B5 / 1.G AWM Engine Camshaft Timing Control Workshop Manual 15-92
 
     
Camshaft timing control, 
checking 
      The adjustment of the intake camshaft is 
dependent on the engine load and engine speed. 
Oil pressure is applied to the camshaft adjuster 
(mec

Page 2 of 7

AUDI A4 1999 B5 / 1.G AWM Engine Camshaft Timing Control Workshop Manual 15-93
 
  
Camshaft adjustment solenoid valves, 
checking
 
Special tools and equipment  
 
VAG 1526 A
 VAG 1527 B
 VAG 1594 A
 VAG 1598/31
Pa
ge 2 of 7 Camshaft timin
g control, checkin
g
11/21/2002

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AUDI A4 1999 B5 / 1.G AWM Engine Camshaft Timing Control Workshop Manual 15-94
      
Test requirements:  
     
Vehicle diagnostic, testing and information 
system VAS 5051 or VAG 1551 Scan Tool 
connected 
     
Test sequence  
     
-  Initiate output Diagnostic Test Mo

Page 4 of 7

AUDI A4 1999 B5 / 1.G AWM Engine Camshaft Timing Control Workshop Manual 15-95
 
    
If specified value is not attained:  
If specified value is attained:  
Checking power supply  
Test requirements:  
 Electrical Wiring Diagrams, Troubleshooting & Component Locations 
bi

Page 5 of 7

AUDI A4 1999 B5 / 1.G AWM Engine Camshaft Timing Control Workshop Manual 15-96
 
    
If the LED does not light up:  
 Electrical Wiring Diagrams, Troubleshooting & Component Locations 
binder   
If the LED lights up:  -  Connect voltage tester VAG 1527 B as follows:Connec

Page 6 of 7

AUDI A4 1999 B5 / 1.G AWM Engine Camshaft Timing Control Workshop Manual 15-97
      
Checking actuation  
    
-  Connect voltage tester VAG 1527 B to contacts 1 (positive) and 2 of 
connector. 
-  Initiate output Diagnostic Test Mode (DTM) and activate solenoid valve 
fo

Page 7 of 7

AUDI A4 1999 B5 / 1.G AWM Engine Camshaft Timing Control Workshop Manual 15-98
 
    
If the wiring is OK:  
If no fault is found:  -  Check for open circuit and short to positive or Ground in following 
wiring connection: Connector  
Contact  
Test box VAG 1598/31  
2   1