Volkswagen New Beetle. Manual - part 682

 

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Volkswagen New Beetle. Manual - part 682

 

 

Courtesy of VOLKSWAGEN OF AMERICA, INC.

WARNING LIGHTS 

ABS warning light -K47- 

If ABS warning light -K47- (-2-) does not go out after switching the ignition on and completion of test 
sequence, the malfunction may be: 

a. Voltage supply is below 10 volts  

b. ABS malfunction 

The anti-locking brake system remains switched off with an ABS malfunction (b), but the brake system 
remains fully operational. 

c. Sensor malfunction after last starting the vehicle (sporadic) 

In the case of sensor malfunction (c) ABS warning lamp will go out after restarting the engine and at a 
road speed of above 20 km/h (approx. 13 mph). 

Fig. 8: Identifying ABS Warning Light -K47- 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

d. Open circuit between instrument cluster connector T32 (blue) pin 19 to control module pin 16  

e. Instrument cluster malfunction  

Parking brake indicator light -K14-/Warning light for brake system -K118- 

If the parking brake indicator light -K14- (-3-/-1-), or on vehicles with the navigation system the warning light 
for brake system -K118-, does not go out after switching the ignition on, the malfunction may be: 

a. Parking brake is applied  

 

2003 Volkswagen New Beetle GLS 

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

  

b. Switch for the parking brake indicator light -K14- is malfunctioning or incorrectly adjusted  

c. There is a wiring malfunction 

Fig. 9: Identifying Parking Brake Indicator Light -K14-/Warning Light For Brake System -K118- 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Vehicles with ABS/EDL 

Complaint: "Vehicle has no EDL function" 

For this complaint a possible cause of the malfunction may be that the brake light switch is incorrectly adjusted, 
see BRAKE LIGHT SWITCH, ADJUSTING . 

A further possible cause of the malfunction may be that the brake light switch is not functioning. See READ 
MEASURING VALUE BLOCK (FUNCTION 08)
 , display group 003. 

ON BOARD DIAGNOSTIC (OBD), INITIATING 

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

SPECIAL TOOLS AND EQUIPMENT 

z

VAG1551 Scan Tool (ST) or VAG1552 mobile scan tool 

NOTE:

This On Board Diagnostic (OBD) is for the ITT Mark 20 IE system.

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 10: Identifying VAG1551 Scan Tool (ST) Or VAG1552 Mobile Scan Tool 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

VAG1551/3 or VAG1551/3A adapter cable 

Fig. 11: Identifying VAG1551/3 or VAG1551/3A Adapter Cable 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

REQUIREMENTS 

z

The tires installed on the wheels must all be the same (approved) size, and inflated to the prescribed 
pressure.  

z

Conventional brake system, including brake light switch and brake lights, OK.  

z

Hydraulic lines and connections not leaking (visual check of ABS hydraulic unit, brake calipers, tandem 
master brake cylinder).  

z

Wheel bearings and wheel bearing play OK.  

z

ABS control module is correctly bolted to ABS hydraulic unit.  

z

Harness connector on ABS Control Module (w/EDL) -J104- seated correctly (retainer is engaged). 

 

2003 Volkswagen New Beetle GLS 

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

  

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

  

 

 

 

 

 

 

 

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