checking oil AUDI A3 1996 8L / 1.G ATW Engine Ignition System Workshop Manual
Page 4 of 59
28-4
 
  
Ignition coils with power output stages, 
checking
 
Special tools and equipment  
 
VAG1526A
 VAG1527B
 VAG1594A
 VAG1598/31
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Page 11 of 59
28-10
      
-  Perform following tests marked with dots:
    
Checking activation of power output stages  
Note:  
Fuel must not be injected during the test to avoid damaging catalytic 
converter. Connectors must therefore be disconnected from fuel injectors. 
Check wire connection from 3-socket relay carrier, position 2, terminal 
6 to harness connector at ignition coil terminal 1. Check motronic Engine Control Module (ECM) power supply relay -
J271-  Page 28
-13
 . 
-  Remove all harness connectors to injectors.
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Page 59 of 59
28-55
 Evaluation display group 014, display field 3 and display group 015 and 016, display fields 1, 2 and 3.  Display field: 
3  
Possible cause  
Corrective action  
Larger than 0  
 
spark plug faulty
 spark plug connector faulty
 Ignition coil or power output stage 
faulty - Check spark plugs and ignition wires with connector
- Ignition coils with power output stages. Checking   Page 
28
-4 
  
 
Fuel injector faulty- Check fuel injectors   Page 24
-38
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