Volkswagen New Beetle. Manual - part 712

 

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Volkswagen New Beetle. Manual - part 712

 

 

Fig. 152: Locating ABS Warning Light K47 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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If the ABS warning light -K47- -1- does not go out after switching the ignition on and completion of the 
test sequence, the malfunction may be: 

-a- Voltage supply is below 10 Volt 

-b- There is a malfunction in the ABS 

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

Check Diagnostic Trouble Code (DTC) memory, see DIAGNOSTIC TROUBLE CODE (DTC) 
MEMORY, CHECKING
 . 

-c- Since the last time the vehicle was started there was a temporary speed sensor malfunction. 

In the case of sensor malfunction -c- the ABS warning light -K47- will extinguish after restarting the 
engine and attaining a speed of above 20 km/h (approx. 13 mph). 

-d- The connection from instrument cluster to ABS Control Module (w/EDL) -J104- is interrupted (open 

 

2003 Volkswagen New Beetle GLS 

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

  

circuit).  

-e- Instrument cluster is faulty. 

WARNING LIGHTS -K47- AND -K118- 

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If the ABS warning light -K47- -1- goes out but the warning light for brake system -K118- -2- remains 
on, then the malfunction may be: 

-a- The parking brake is applied. 

-b- There is a malfunction in the activation of the warning light for brake system -K118-, see wiring 
diagram. 

-c- The brake fluid level is too low. 

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If the ABS warning light -K47- -1- and the warning light for brake system -K118- -2- illuminated, the 
ABS system is faulty and the EBD (electronic brake pressure distribution) is not functioning.  

ESP CONTROL LAMP -K155- 

WARNING:

After the ABS warning light -K47- and warning light for brake system -
K118- have illuminated, it is possible that the rear wheels will lock-up 
earlier when braking.

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 153: Locating ESP Control Lamp K155
Courtesy of VOLKSWAGEN OF AMERICA, INC.
 

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If the ESP Control Lamp -K155- -3- does not go out after the ignition is switched on and test sequence is 
completed then the malfunction may be: 

Check Diagnostic Trouble Code (DTC) memory, see DIAGNOSTIC TROUBLE CODE (DTC) 
MEMORY, CHECKING
 . 

-a- Short to positive in ASR/ESP button -E256- 

-b- There is a malfunction in the activation of the ESP Control Lamp -K155-. 

-c- The ASR/ESP system has been switched off via ASR/ESP button -E256-. 

There is a malfunction present which only affects the safety systems of the ASR/ESP. The ABS/EDL and EBD 
safety systems on the vehicle remain fully functional. 

If ESP control lamp -K155- flashes while driving, the ASR or ESP system is regulating the system. 

ON BOARD DIAGNOSTIC (OBD), PERFORMING 

SCAN TOOL, CONNECTING 

All functions which could previously be performed with V.A.G 1551/1552 can also be performed with the new 
tester VAS 5051 in the operating mode vehicle OBD. 

See . 

SPECIAL TOOLS AND EQUIPMENT 

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VAS 5051 Vehicle Diagnosis, Testing and Information System  

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Diagnosis cable VAS 5051/1 or VAS 5051/3 

NOTE:

This On Board Diagnostic (OBD) is for the ABS MARK 60 system.

NOTE:

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

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The Diagnostic Trouble Code (DTC) memory must be erased after a 
successfully checking and repair.  

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 154: Identifying VAS 5051 Vehicle Diagnosis, Testing And Information System 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

TEST PREREQUISITES FOR OBD 

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The tires installed to all wheels must be of the same (approved) size; tires inflated to prescribed pressure.  

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Mechanical/hydraulic parts of the brake system including brake light switch and brake lights OK.  

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Hydraulic connections and lines are not leaking (visual check of hydraulic module, brake calipers, wheel 
cylinders, tandem brake master cylinder).  

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Wheel bearings and wheel bearing play are OK.  

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ABS Control Module (w/EDL) -J104- is correctly bolted to hydraulic unit -N55-.  

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Electrical connection is installed correctly to the ABS Control Module (w/EDL) -J104- (locking device is 
engaged correctly).  

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Check electrical connections of ABS components for damage and correct seating.  

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

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Supply voltage OK. (at least 10.0 V)  

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Access to the OBD is only possible when the vehicle is stationary and ignition turned on (or engine 
running).  

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When checking the ABS system make sure that the vehicle electric system is not affected by 
electromagnetic interference, i.e. the vehicle is kept well away from equipment with a high current draw, 
e.g. from an electric welding module.  

SAFETY PRECAUTIONS 

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

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