Volkswagen New Beetle. Manual - part 1531

 

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Volkswagen New Beetle. Manual - part 1531

 

 

Test sequence 

z

Disconnect the 6-pin connector from the power output stage for ignition coils (arrow). 

Fig. 28: Disconnecting 6-Pin Connector From Power Output Stage For Ignition Coils (Engine Code 
AVH, AZG, BDC)
 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Checking voltage supply 

z

Use multimeter and adapter cables to measure voltage supply between terminals 1 + 6 of the disconnected 
connector. 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Ignition-Glow Plug System, 2.0L Generic Scan Tool - New Beetle

  

Fig. 29: Identifying Ignition Coil 6-Pin Harness Connector Terminals (Engine Code AVH, AZG, 
BDC)
 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Switch on ignition. Specified value: at least 11.5 V  

z

Switch ignition off. 

If there is no voltage: 

z

Check wire between 6-pin connector terminal 6 and Motronic Engine Control Module (ECM) Power 
Supply Relay -J271- for open circuit according to wiring diagram. Wire resistance: max. 1.5 ohm 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Ignition-Glow Plug System, 2.0L Generic Scan Tool - New Beetle

  

Fig. 30: Identifying Ignition Coil 6-Pin Harness Connector Terminals (Engine Code AVH, AZG, 
BDC)
 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Check wires between 6-pin connector terminal 1 and Ground (GND) for open circuit according to wiring 
diagram. Wire resistance: max. 1.5 ohm 

If there is no malfunction in voltage supply: 

z

Check activation. See CHECKING ACTIVATION .  

Checking activation 

z

Remove fuse 32 from fuse holder. Fuse holder is lcoated behind access panel at far left end of dash. 

WARNING:

Do not touch ignition coil connecting parts or adapter cables during the 
following test.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Ignition-Glow Plug System, 2.0L Generic Scan Tool - New Beetle

  

Fig. 31: Locating Fuse 32 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Using adapter cables, connect voltage tester (VAG1527) to 

Terminals 1 + 2 (ignition output 1) 

Terminals 1 + 3 (ignition output 2) 

Terminals 1 + 4 (ignition output 3) 

Terminals 1 + 5 (ignition output 4) of disconnected connector.

NOTE:

By removing fuse 32, voltage supply to the fuel injectors is interrupted.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Ignition-Glow Plug System, 2.0L Generic Scan Tool - New Beetle

  

 

 

 

 

 

 

 

Content   ..  1529  1530  1531  1532   ..