Volkswagen New Beetle. Manual - part 1940

 

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Volkswagen New Beetle. Manual - part 1940

 

 

Fig. 1: Identifying VAS 5052 Vehicle Diagnostic And Information System (Connect Diagnostic 
Tester)
 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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VAS 5052/3 diagnostic cable  

Requirements 

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The respective fuses of the Motronic fuel injection and ignition system must be OK. 

Fig. 2: Identifying Fuses 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Battery voltage must be at least 11.5 volts.  

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All electrical consumers such as, for example, lights and rear window defroster must be switched off.  

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Parking brake must be engaged or else daylight driving lights will be switched on.  

NOTE:

Fuse holder is located behind access panel at far left end of dash.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

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For vehicles with automatic transmission, selector lever must be in position -P- or -N-.  

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If vehicle is equipped with an A/C system, it must be switched off.  

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Ground (GND) connections between engine and chassis must be OK.  

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Ignition switched off.  

Work procedure 

Connect diagnostic tester (VAS 5052) using (VAS 5052/3) diagnostic cable as follows: 

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Connect diagnostic cable connector to Data Link Connector (DLC) -arrow-. 

Fig. 3: Locating Data Link Connector 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Depending on the desired diagnostic mode, it is necessary to either switch on ignition or start engine. See 
Selectable diagnostic modes under address word 33 - OBD .  

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If no display appears on diagnostic tester, check voltage supply.  

Test box for wiring test, connecting 

Recommended special tools and equipment e.g.: 

Vehicles with 80-pin Engine Control Module (ECM, engine code AEG) 

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VAG1598/22 test box 

NOTE:

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Respective operation of the diagnostic tester: 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

Fig. 4: Identifying VAG1598/22 Test Box (80-Pin ECM) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Vehicles with 121-pin Engine Control Module (ECM, engine code AVH, AZG, BDC) 

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VAG1598/31 test box 

Fig. 5: Identifying VAG1598/31 Test Box (121-Pin ECM) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Requirement 

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Ignition switched off.  

Work procedure 

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Remove inner cover, left plenum chamber, to do this, slide center cover -1- of plenum chamber forward 
out of catch and remove from instrument panel. 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

Fig. 6: Removing Inner Cover, Left Plenum Chamber By Sliding Center Cover Of Plenum 
Chamber Forward
 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Remove three bolts -1-. 

Fig. 7: Removing Three Bolts 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Lift left cover -1- of plenum chamber in center of instrument panel (arrow A) and thereby unclip (front 
edge clips, back edge clamps). 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

 

 

 

 

 

 

 

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