Volkswagen New Beetle. Manual - part 1692

 

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Volkswagen New Beetle. Manual - part 1692

 

 

Fig. 117: Connecting VAG 1598/31 Test Box To Control Module Wiring Harness 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Check wiring for open circuit between test box and 4 -pin connector to Motronic control module using 
Electrical Wiring Diagram. 

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terminal 3 + socket 68  

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terminal 4 + socket 69  

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 118: Identifying HO2S -G130- Harness Connector Terminals 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Wire resistance: Max. 1.5 ohm 

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Check wiring at connector terminals 3 + 4 for short circuit to terminals 1 + 2 using Electrical Wiring 
Diagram. 

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terminal 4 and socket 68  

Specification: INFINITY ohm 

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
 .  

Oxygen sensor aging, oxygen sensor before Three Way Catalytic Converter (TWC), checking 

 

2003 Volkswagen New Beetle GLS 

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

  

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 1788/10 RPM adjuster 

Fig. 119: Identifying Special Tool 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Test conditions 

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Engine Coolant Temperature (ECT) must be at least 80 °C, see display group 04, display zone 3  

Functional check 

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Connect VAG 1551 scan tool (or 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 

 

2003 Volkswagen New Beetle GLS 

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

  

SELECTING MOTRONIC ENGINE CONTROL MODULE (ECM) -J220- . 

Indicated on display 

Fig. 120: Identifying Scan Tool Display - Checking Aging, HO2S Before TWC (1 Of 3) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Press buttons -0- and -4- for function "Basic Setting" and confirm entry with -Q- button. 

Indicated on display 

Fig. 121: Identifying Scan Tool Display - Checking Aging, HO2S Before TWC (2 Of 3) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Press buttons -0-, -3- and -4- for "Display group number 34" and confirm entry with -Q- button. 

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

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