Volkswagen New Beetle. Manual - part 770

Fig. 135: V.A.G 1551 Scan Tool Display - Initiating Basic Setting - Function 04 (35 Of 39) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Indicated on display 

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Press --> button. 

Fig. 136: V.A.G 1551 Scan Tool Display - Initiating Basic Setting - Function 04 (36 Of 39) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Indicated on display 

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Press buttons -0- and -6- to select "End Output" function 06. 

 

2003 Volkswagen New Beetle GLS 

1998-2004 BRAKES On Board Diagnostic (OBD) - New Beetle

  

Fig. 137: V.A.G 1551 Scan Tool Display - Initiating Basic Setting - Function 04 (37 Of 39) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Indicated on display 

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Press -Q- button to confirm input. 

Fig. 138: V.A.G 1551 Scan Tool Display - Initiating Basic Setting - Function 04 (38 Of 39) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Indicated on display 

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Press -C- button.  

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Switch ignition off.  

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Disconnect VAG1551 scan tool from Data Link Connector (DLC). 

 

2003 Volkswagen New Beetle GLS 

1998-2004 BRAKES On Board Diagnostic (OBD) - New Beetle

  

Fig. 139: V.A.G 1551 Scan Tool Display - Initiating Basic Setting - Function 04 (39 Of 39) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

The brake system must be bled. 

The basic setting is used to bleed the hydraulic unit only. The brake system must be bleed separately . 

See BLEEDING BRAKE SYSTEM . 

ELECTRICAL TESTING 

SPECIAL TOOLS AND EQUIPMENT 

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VAG1598/21 adapter  

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VW1594A connector test kit  

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Multimeter (Fluke 83 or equivalent)  

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VAG1921 pliers 

Fig. 140: Identifying Special Tools And Equipment

 

2003 Volkswagen New Beetle GLS 

1998-2004 BRAKES On Board Diagnostic (OBD) - New Beetle

  

Courtesy of VOLKSWAGEN OF AMERICA, INC.

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If On Board Diagnostic (OBD) does not give any indication of the source of the malfunction, carry out all 
of the electrical test steps.  

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If On Board Diagnostic (OBD) provides a direct indication of the source of the malfunction, only carry 
out the test steps recommended in the DTC table (specific testing).  

An overview of all the test steps in the Electrical test table can be found on TEST STEP OVERVIEW . 

TEST REQUIREMENTS 

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Ignition and electrical consumers switched off before beginning the check (headlights, lighting, fan, etc.)  

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Fuses -S9-, -S13-, -S20-, -S178-, -S179- must be OK (remove fuses from fuse holder to check)  

REMOVING AIR CLEANER 

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Pull harness connector -2- off Mass Air Flow (MAF) sensor.  

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Release spring-type clip on air duct hose -1- using VAG1921 pliers and pull hose off air cleaner.  

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Remove air cleaner bolts -3- -4- and take out air cleaner 

Fig. 141: Pulling Harness Connector Off Mass Air Flow (MAF) Sensor 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Release control module harness connector (arrow -1-) and pull off (arrow -2-). 

 

2003 Volkswagen New Beetle GLS 

1998-2004 BRAKES On Board Diagnostic (OBD) - New Beetle