Volkswagen New Beetle. Manual - part 1656

Fig. 6: Removing Fuse 32 Interrupts Voltage Supply To Fuel Injectors 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Rules of cleanliness 

When working on the fuel supply/injection system, pay careful attention to the following 5 rules: 

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Thoroughly clean all unions and the adjacent areas before disconnecting.  

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Place parts that have been removed on a clean surface and cover. Do not use fluffy cloths!  

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Carefully cover opened components or seal, if the repair cannot be carried out immediately.  

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Only install clean components: Only unpack replacement parts immediately prior to installation. Do not 
use parts that have been stored loose (e.g. in tool boxes etc.). 

 

2003 Volkswagen New Beetle GLS 

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

  

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When the system is open: Do not work with compressed air if this can be avoided. Do not move vehicle 
unless absolutely necessary.  

Technical data 

TECHNICAL DATA SPECIFICATION 

FUEL INJECTION SYSTEM COMPONENTS, CHECKING 

Heated Oxygen Sensor (HO2S) for oxygen sensor before Three Way Catalytic Converter (TWC), 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 

Engine code

AWP

AWV

Idle check (at normal operating temperature)

Idle speed

(1)

 RPM

Manual transmission

760 to 810 

(1)

760 to 810

(1)

Automatic transmission

700 to 750 

(1)

700 to 750

(1)

Motronic Engine Control Module (ECM) -J220-

(2)

System

Motronic ME7.5

Motronic ME7.5

Part number

(3)

Manual transmission

1C0 906 032

06A 906 032 GA

Automatic transmission

 

06A 906 032 GB

Governed speed RPM

from approx. 6800

from approx. 6800

(1)

Not adjustable

(2)

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

(3)

For latest part number for Engine Control Module: See Parts catalog.

NOTE:

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Raise vehicle to reach oxygen sensor connector  

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Only gold-plated terminals must be used to repair the terminals in the 
oxygen sensors connectors.  

 

2003 Volkswagen New Beetle GLS 

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

  

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All fuses must be OK. Fuse holder is located behind access panel at far left end of dash.  

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The battery voltage must be at least 11.5 V  

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Fuel pump relay must be OK 

Fig. 7: Locating Fuses 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Test sequence 

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Connect VAG 1551 scan tool ((VAG 1552). Start engine and select "Address word" 01 of Motronic 
Engine Control Module (ECM) -J220-. Engine must be running at idle speed. Connecting scan tool and 
selecting Motronic Engine Control Module (ECM) - J220-, see VAG 1551, CONNECTING AND 
SELECTING MOTRONIC ENGINE CONTROL MODULE (ECM) -J220- . 

 

2003 Volkswagen New Beetle GLS 

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

  

Indicated on display 

Fig. 8: Identifying Scan Tool Display (1 Of 3) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Press buttons -0- and -8- for function "Read measuring value block" and confirm entry with -Q- button. 

Indicated on display 

Fig. 9: Identifying Scan Tool Display (2 Of 3) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Press buttons -0-, -4- and -1- for "Display group number 41" and confirm entry with -Q- button. 

Indicated on display (1 to 4 Display zones)

 

2003 Volkswagen New Beetle GLS 

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