Volkswagen New Beetle. Manual - part 1591

 

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Volkswagen New Beetle. Manual - part 1591

 

 

Fig. 68: Connecting Diagnostic Cable VAS 5051/1 Or VAS 5051/3 To Data Link Connector 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Start engine and run at idling speed.  

Only when the engine does not start: 

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Switch on ignition.  

Selecting operating mode 

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Press button on screen for "Vehicle self-diagnosis".  

Selecting vehicle system 

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Press button "01 - Engine electronics" on screen.  

The control module identification, the engine control module coding as well as the chassis number and 
immobilizer identification number are shown on the screen. 

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Press --> key.  

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Press "Print" key.  

Selecting diagnostic function 

NOTE:

A print-out can be produced if required. Press the "Print" button.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Multiport Fuel Injection (MFI) - New Beetle, 2.0L (AEG, AVH, AZG, BDC, BEV & BGD)

  

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Press button "02 - Interrogating fault memory" on screen.  

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"No fault detected" appears on screen if no faults are stored in engine control module.  

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If faults are stored in engine control module they will appear on screen listed one below another.  

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Press <-- key.  

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Press button "05 - Erase fault memory" on screen.  

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Press function 06-"End output".  

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Generate readiness code if fault memory has been erased. See COMPONENTS AND FUNCTIONS, 
ADAPTING
  

NOTE:

Generate the readiness code if an emissions test is to be performed after 
erasing the fault memory or after disconnecting the engine control module from 
permanent positive. See COMPONENTS AND FUNCTIONS, ADAPTING .

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Multiport Fuel Injection (MFI) - New Beetle, 2.0L (AEG, AVH, AZG, BDC, BEV & BGD)

  

1998-2004 ENGINE PERFORMANCE

Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle 

MULTIPORT FUEL INJECTION (MFI) 

FUEL INJECTION SYSTEM, SERVICING 

Component locations, overview 

The following list pertains to Fig. 1 . 

1. Heated Oxygen Sensor (HO2S) -G39-, 50Nm 

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Location: before Three Way Catalytic Converter (TWC)  

2. 6-pin connector 

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Black  

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Terminals gold plated  

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For Heated Oxygen Sensor (HO2S) before Three Way Catalytic Converter (TWC) -G39- and 
oxygen sensor heater -Z19-  

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Right on underside of vehicle  

3. Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) - G130-, 50Nm 

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Location: behind Three Way Catalytic Converter (TWC)  

4. 4-pin connector 

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Black  

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Terminals 3 and 4 gold-plated  

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For Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) - G130- and oxygen sensor 
heating - Z29-  

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Right on underside of vehicle  

5. Camshaft position (CMP) sensor - G40- 

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See IGNITION SYSTEM COMPONENTS, REMOVING AND INSTALLING , item 7  

6. Secondary Air Injection (AIR) Solenoid Valve -N112- 

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Secondary air system:  

See SECONDARY AIR INJECTION (AIR) SYSTEM 

7. Recirculating valve for turbocharger -N249- 

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Checking charge pressure system  

See TURBOCHARGER, G-CHARGER 

8. Ignition coils with power output stage (-N70-, -N127-, -N291-, -N292-)

 

2003 Volkswagen New Beetle GLS 

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

  

 

2003 Volkswagen New Beetle GLS 

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

  

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See IGNITION SYSTEM COMPONENTS, REMOVING AND INSTALLING , item 2  

9. Wastegate Bypass Regulator Valve - N75- 

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Checking charge pressure system  

See TURBOCHARGER, G-CHARGER 

10. Protective housing 

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For Secondary Air Injection (AIR) Pump Relay -J299-  

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Secondary air system  

See SECONDARY AIR INJECTION (AIR) SYSTEM 

11. Motronic Engine Control Module (ECM) -J220- 

(Motronic Motronic Engine Control Module (ECM) -J220- -J220-) 

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Location: below inner cover of plenum chamber, left side in driver compartment  

12. O-ring 

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Replace if damaged  

13. Engine Coolant Temperature (ECT) sensor -G62- 

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For Motronic Engine Control Module (ECM) -J220-  

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With Engine Coolant Temperature (ECT) gauge sensor -G2-  

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If necessary release pressure in cooling system before removing  

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Checking, see ENGINE COOLANT TEMPERATURE (ECT) SENSOR -G62-, CHECKING  

14. Retaining clip 

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Check for secure seating  

15. Mass Air Flow (MAF) sensor -G70-  

16. Valve 1 for camshaft adjustment - N205- 

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Servicing valve train; checking camshaft adjustment  

See ENGINE - CYLINDER HEAD, VALVETRAIN 

17. Fuel pressure regulator  

18. Injectors -N30- to -N33-  

19. 10 Nm  

20. Engine Speed (RPM) Sensor -G28- 

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Checking, see ENGINE SPEED (RPM) SENSOR, CHECKING  

21. O-ring 

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Replace  

22. 20 Nm 

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

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