Volkswagen New Beetle. Manual - part 698

Fig. 85: V.A.G 1551 Scan Tool Display - Initiating Output Diagnostic Test Mode - Function 03 (25 Of 37)
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

If the brake pedal does not give, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must 
be replaced: 

See ABS CONTROL MODULE AND HYDRAULIC UNIT, REMOVING AND INSTALLING . 

Indicated on display 

z

Indicate to second technician which wheel requires turning by hand.  

If the wheel does not lock, a malfunction may exist in the mechanical and/or hydraulic section of the brake 
system. 

Fig. 86: V.A.G 1551 Scan Tool Display - Initiating Output Diagnostic Test Mode - Function 03 (26 Of 37)
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Press --> button.  

 

2003 Volkswagen New Beetle GLS 

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

  

Indicated on display 

z

Remove foot from brake pedal.  

z

Press --> button. 

Fig. 87: V.A.G 1551 Scan Tool Display - Initiating Output Diagnostic Test Mode - Function 03 (27 
Of 37) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Indicated on display 

z

Operate brake pedal.  

z

Press --> button. 

Fig. 88: V.A.G 1551 Scan Tool Display - Initiating Output Diagnostic Test Mode - Function 03 (28 
Of 37) 
Courtesy of VOLKSWAGEN OF AMERICA, INC.

 

2003 Volkswagen New Beetle GLS 

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

  

Indicated on display 

z

Indicate to second technician which wheel requires turning by hand.  

If the wheel does not lock, a malfunction may exist in the mechanical and/or hydraulic section of the brake 
system. 

Fig. 89: V.A.G 1551 Scan Tool Display - Initiating Output Diagnostic Test Mode - Function 03 (29 Of 37)
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Press --> button.  

Indicated on display 

z

Press --> button.  

ABS hydraulic pump display group number: must run. 

Fig. 90: V.A.G 1551 Scan Tool Display - Initiating Output Diagnostic Test Mode - Function 03 (30 Of 37)

 

2003 Volkswagen New Beetle GLS 

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

  

Courtesy of VOLKSWAGEN OF AMERICA, INC.

Brake pedal must not give. 

If the brake pedal gives, there is a malfunction in the hydraulic unit. In this case the hydraulic unit must be 
replaced: 

See ABS CONTROL MODULE AND HYDRAULIC UNIT, REMOVING AND INSTALLING . 

Indicated on display 

z

Indicate to second technician which wheel requires turning by hand.  

If the wheel locks it is possible that the brake lines to the wheel calipers have been interchanged. 

Fig. 91: V.A.G 1551 Scan Tool Display - Initiating Output Diagnostic Test Mode - Function 03 (31 Of 37)
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Press --> button.  

ABS hydraulic pump display group number: no longer runs. 

Indicated on display 

z

Press --> button.  

Brake pedal must give noticeably. 

 

2003 Volkswagen New Beetle GLS 

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