Volkswagen New Beetle. Manual - part 1706

 

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Volkswagen New Beetle. Manual - part 1706

 

 

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Check DTC Memory, if necessary, repair any malfunctions and then Erase DTC Memory, see DTC 
MEMORY OF MOTRONIC ENGINE CONTROL MODULE (ECM) -J220-, CHECKING AND 
ERASING
 .  

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Read readiness code, see READINESS CODE, DISPLAYING . If DTC memory has been erased or 
Motronic Engine Control Module (ECM) -J220- was disconnected from battery positive, readiness code 
must be generated again, see READINESS CODE, GENERATING . 

If the specifications are obtained: 

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Connect multimeter using auxiliary cables from VAG 1594 to measure voltage between terminal 1 and 
Ground (GND). 

Fig. 170: Identifying Clutch Vacuum Vent Valve Switch Harness Connector Terminals 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Switch on ignition. 

Specification: min. 11.5 V 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle

  

If the specification is not obtained: 

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Check wiring for open circuit between 2 -pin connector terminal 1 and central electric using Electrical 
Wiring Diagram. 

If the specification is obtained: 

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Remove inner plenum chamber cover, left: 

See PLENUM CHAMBER INNER COVER, REMOVING AND INSTALLING 

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Connect VAG 1598/31 test box to control module wiring harness. Motronic Engine Control Module 
(ECM) -J220- is not connected by this action. 

Fig. 171: Connecting VAG 1598/31 Test Box To Control Module Wiring Harness 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle

  

Courtesy of VOLKSWAGEN OF AMERICA, INC.

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Check wiring for open circuit between test box and 2 -pin connector using Electrical Wiring Diagram. 

Fig. 172: Identifying Clutch Vacuum Vent Valve Switch Harness Connector Terminals 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

terminal 2 + socket 39 

Wire resistance: Max. 1.5 

If the specification is obtained: 

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Additionally check wires for short to one another.  

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Additionally check wiring for short to battery positive or Ground (GND). 

If no wiring malfunction is found: 

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Replace Motronic Engine Control Module (ECM) -J220-, see MOTRONIC ENGINE CONTROL 
MODULE (ECM) - J220-, REPLACING 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle

  

Signal from Brake Light Switch -F- and Brake Vacuum Vent Valve Switch -F47-, checking 

Special tools, test equipment and auxiliary items 

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VAG 1551 scan tool or VAG 1552 mobile scan tool with VAG 1551/3B cable  

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VAG 1598/31 test box  

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VAG 1526 A or Fluke 83 multimeter  

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VAG 1594 adapter set  

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Electrical Wiring Diagram  

Test conditions 

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All fuses must be OK 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle

  

 

 

 

 

 

 

 

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