Volkswagen New Beetle. Manual - part 748

 

  Index      Volkswagen     Volkswagen New Beetle 1998-2008 year - service repair manual

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  746  747  748  749   ..

 

 

Volkswagen New Beetle. Manual - part 748

 

 

z

Terminals of ABS components checked for damage and correct seating.  

z

All fuses OK and check to wiring diagram (remove fuse from fuse holder to check). 

z

Supply voltage at least 10.0 volts.  

LIST OF SELECTABLE FUNCTIONS 

SELECTABLE FUNCTIONS CHART 

VAG1551 SCAN TOOL (ST), CONNECTING AND SELECTING FUNCTION 

z

Connect VAG1551 scan tool with VAG1551/3 adapter cable. 

NOTE:

Also, check fuses and fuse connections for corrosion. If corrosion is 
present

No.

Function

Test

00 
-

Automatic test sequence

See AUTOMATIC TEST SEQUENCE

01 
-

Check Control Module 

Versions

See VAG1551 SCAN TOOL (ST), CONNECTING AND 

SELECTING FUNCTION

02 
-

Check DTC Memory

See CHECK DTC MEMORY (FUNCTION 02)

03 
-

Output Diagnostic Test 

Mode

See OUTPUT DIAGNOSTIC TEST MODE (FUNCTION 03)

04 
-

Basic Setting

(1)

See BASIC SETTING (FUNCTION 04)

05 
-

Erase DTC Memory

See ERASE DTC MEMORY (FUNCTION 05)

06 
-

End Output

See END OUTPUT (FUNCTION 06)

07 
-

Code Control Module

See CODE CONTROL MODULE (FUNCTION 07)

08 
-

Read Measuring Value 

Block

See READ MEASURING VALUE BLOCK (FUNCTION 08)

(1)

Only required for vehicles with EDL

NOTE:

z

All functions which could previously be performed with V.A.G 1551 can 
also be performed with the new tester VAS 5051.  

z

ABS function is switched off in the control module during On Board 
Diagnostic (OBD).  

z

DTC memory can be erased after it is successfully checked and repaired.  

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 12: Connecting VAG1551 Scan Tool With VAG1551/3 Adapter Cable 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Connecting VAS 5051, see VEHICLE DIAGNOSIS, TESTING AND INFORMATION SYSTEM VAS 
5051, CONNECTING AND SELECTING ABS CONTROL MODULE
 . 

Indicated on display 

NOTE:

Only early production cars have the DLC connection at the center console

NOTE:

Operating modes 1 and 2 are displayed alternately

NOTE:

z

If the display remains blank, check On Board Diagnostic (OBD) harness 
connector, Electrical testing, see ELECTRICAL TESTING , test steps 14 
and 15.  

z

Additional operating instructions can be obtained by pressing the 
VAG1551 Scan Tool (ST) "HELP" button. 

 

2003 Volkswagen New Beetle GLS 

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

  

z

Switch ignition on.  

z

Switch printer on with the "PRINT" button (indicator lamp in button lights up).  

z

Press button -1- to select "Rapid data transfer" operating mode 1.  

Indicated on display 

z

Press buttons -0- and -3- to insert "Brake Electronics" address word 03. 

Fig. 14: V.A.G 1551 Scan Tool Display - Initiating On Board Diagnostic (2 Of 12) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Indicated on display 

z

Press -Q- button to confirm input. 

Fig. 13: V.A.G 1551 Scan Tool Display - Initiating On Board Diagnostic (1 
Of 12) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

The --> button is used to advance through the program sequence.  

z

The "PRINT" button is used for switching on the printer (warning lamp in 
button comes on).  

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 15: V.A.G 1551 Scan Tool Display - Initiating On Board Diagnostic (3 Of 12) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Indicated on display 

Breakdown of the display 

z

Control module identification number (e.g. 1J0907379D)  

z

Control module applications, see parts catalog  

z

System designation (ABS 20 IE) 

Fig. 16: V.A.G 1551 Scan Tool Display - Initiating On Board Diagnostic (4 Of 12) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

CAN-bus present 

See  

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

Content   ..  746  747  748  749   ..