Volkswagen New Beetle. Manual - part 792

 

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Volkswagen New Beetle. Manual - part 792

 

 

z

Shown on display in display zone 2 (when vehicle stationary) e.g. -9.8 +/-1 m/s

2

 

A negative result equates to the forces during a right-hand turn. 

z

Turn it 90° to left relative to installation position (see illustration).  

z

Shown on display in display zone 2 (when vehicle stationary) e.g. 9.8 +/-1 m/s

2

 . 

A positive result equates to the forces during a left-hand turn. 

Fig. 199: Turning 90° To Right Of Installation Position (Sensor For Transverse Acceleration) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Checking brake pressure sensor 

This test is for models with ABS/EDL/ASR/ESP only. 

Display group number 005 

z

Press keys 0, 0 and 5  

z

Confirm entry with key Q.  

z

There are always 4 display zones -arrows- in the measured value block. Decoding the individual values in 
display zones 1 to 4 can be read-off from the following tables. 

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 200: V.A.G 1551 Scan Tool Display - Checking Brake Pressure Sensor1 (1 Of 2) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Indicated on display: e.g. (vehicle stationary) 

Press C key for the next display group number entry. 

If the --> key is pressed, keys 0 and 8 for work sequence "Read measured value block" must be pressed again 
afterward to regain entry. 

Fig. 201: V.A.G 1551 Scan Tool Display - Checking Brake Pressure Sensor1 (2 Of 2) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

DISPLAY GROUP NUMBER: 005 

Read measured value block

5 -->

Display group number: 005

-1.06 bar

 

 

 

<- - Indicated on display (example)

 

 

 

 

Vacant

 

 

 

Vacant

 

 

Vacant

 

Brake pressure sensor 

z

Specification when brake pedal is not depressed: +/- 7 bar  

 

2003 Volkswagen New Beetle GLS 

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

  

Checking data bus wiring 

Display group number 125 

z

Press keys 1, 2 and 5  

z

Confirm entry with key Q.  

z

There are always 4 display zones -arrows- in the measured value block. Decoding the individual values in 
display zones 1 to 4 can be read-off from the following tables. 

Fig. 202: V.A.G 1551 Scan Tool Display - Checking Data Bus Wiring (1 Of 2) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Indicated on display: (when vehicle stationary) 

Press C key for the next display group number entry. 

If the --> key is pressed, keys 0 and 8 for work sequence "Read measured value block" must be pressed again 
afterwards to regain entry. 

z

Perform electrical check from, see ELECTRICAL TEST OF MARK 60, 
VEHICLES FROM M.Y. 10.00
  

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 203: V.A.G 1551 Scan Tool Display - Checking Data Bus Wiring (2 Of 2) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

DISPLAY GROUP NUMBER: 125 

OUTPUT DIAGNOSTIC TEST MODE (DTM) 

The pump motor and the correct functioning of the hydraulic circuits (allocation of brake lines to wheel 

Read measured value block

125 -->

Display group number: 125

Engine 1

St. ang. 1

  Gear. 1

<- - Indicated on display (example)

 

 

 

 

Data bus for Transmission

(1)

z

1 --> Data bus connection is available. 

z

0 --> Data bus connection is not available /

()

 

 

  Vacant

 

 

Data bus for steering angle 

z

1 --> Data bus connection is available.  

z

0 --> Data bus connection is not available 

()

 

 

 

Data bus for engine 

z

1 --> Data bus connection is available.  

z

0 --> Data bus connection is not available 

(2)

 

 

(1)

Vehicles with an automatic transmission only, see check for relevant transmission code.

(2)

Data bus connection is interrupted (open circuit) or data bus wiring is interchanged. See wiring 
diagram.

NOTE:

z

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

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

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