Volkswagen New Beetle. Manual - part 1616

 

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Volkswagen New Beetle. Manual - part 1616

 

 

Courtesy of VOLKSWAGEN OF AMERICA, INC.

Engine speed (RPM) sensor, checking 

The Engine Speed (RPM) Sensor -G28- is a speed and reference mark sensor. The engine will not start if there 
is no speed signal. If the speed signal fails when the engine is running, it will cause the engine to stall 
immediately. 

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 sequence 

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Separate gray 3 -pin connector -1- to Engine Speed (RPM) Sensor -G28-. 

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 70: Separating Pin Connector To Engine Speed (RPM) Sensor 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Measure sensor resistance between terminals 2 + 3 of connector to sensor. 

Specification: 730 to 1000 ohm 

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 71: Measuring Sensor Resistance Between Terminals Of Connector To Engine Speed (RPM) 
Sensor
 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Check sensor for short between terminals 1 + 2 as well as 1 + 3.  

Specification: INFINITY ohm 

If the specifications are not obtained: 

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Replace Engine Speed (RPM) Sensor -G28-, see item 13 .  

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Check DTC Memory, if necessary, repair any malfunctions and then Erase DTC Memory, see DTC 

 

2003 Volkswagen New Beetle GLS 

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

  

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 .  

If no sensor malfunction is detected: 

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Remove inner plenum chamber cover, left:  

See PLENUM CHAMBER INNER COVER, REMOVING AND INSTALLING 

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Connect VAG 1598/31 test box to control module wiring harness. Motronic Engine Control Module 
(ECM) -J220- is not connected by this action. 

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

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