Volkswagen New Beetle. Manual - part 1701

 

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Volkswagen New Beetle. Manual - part 1701

 

 

Fig. 151: Connecting VAG 1598/31 Test Box To Control Module Wiring Harness 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Connect multimeter to measure voltage between test box sockets 3 (terminal 15) + 54 (speed signal).  

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Switch on ignition.  

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Lift vehicle at front left.  

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Rotate front wheel and observe voltage display. 

Specification: between 0 and at least 4 Volt fluctuating 

If the display does not fluctuate: 

NOTE:

If necessary, hold the front right wheel to prevent it from turning.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle

  

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Check wiring to speedometer/speedometer sensor.  

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Check DTC Memory, if necessary, repair any malfunctions and then Erase DTC Memory, see DTC 
MEMORY OF MOTRONIC ENGINE CONTROL MODULE (ECM) -J220-, CHECKING AND 
ERASING
 .  

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Read readiness code, see READINESS CODE, DISPLAYING . If DTC memory has been erased or 
Motronic Engine Control Module (ECM) -J220- was disconnected from battery positive, readiness code 
must be generated again, see READINESS CODE, GENERATING .  

Signal from/to air conditioning, checking 

Special tools, test equipment and auxiliary items 

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VAG 1551 scan tool or VAG 1552 mobile scan tool with VAG 1551/3B cable  

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VAG 1598/31 test box  

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VAG 1526 A or Fluke 83 multimeter  

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VAG 1594 adapter set  

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Electrical Wiring Diagram  

Test conditions 

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All fuses must be OK. Fuse block is located behind access panel at far left end of dash. 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle

  

Fig. 152: Locating Fuses 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Battery voltage must be at least 11.5 V  

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Air conditioner functioning OK  

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Air conditioner must be switched off  

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All electrical accessories, e.g. lights and rear window defroster must be switched off  

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No DTCs must be stored in DTC memory, see DTC MEMORY OF MOTRONIC ENGINE 
CONTROL MODULE (ECM) -J220-, CHECKING AND ERASING
  

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Vehicle at room temperature (warmer than + 15 °C)  

Test sequence 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle

  

z

Connect VAG 1551 scan tool ((VAG 1552). Start engine and select "Address word" 01 of Motronic 
Engine Control Module (ECM) -J220-. Engine must be running at idle speed. Connecting scan tool and 
selecting Motronic Engine Control Module (ECM) -J220-, see VAG 1551, CONNECTING AND 
SELECTING MOTRONIC ENGINE CONTROL MODULE (ECM) -J220-
 . 

Indicated on display 

Fig. 153: Identifying Scan Tool Display - Signal From/To Air Conditioning, Checking (1 Of 3) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Press buttons -0- and -8- for function "Read measuring value block" and confirm entry with -Q- button. 

Indicated on display 

Fig. 154: Identifying Scan Tool Display - Signal From/To Air Conditioning, Checking (2 Of 3) 
Courtesy of VOLKSWAGEN OF AMERICA, INC.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle

  

 

 

 

 

 

 

 

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