Volkswagen New Beetle. Manual - part 1387

 

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Volkswagen New Beetle. Manual - part 1387

 

 

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Check Modulating piston displacement sensor -G149- Voltage supply value in Display zone 3. 

Fig. 89: Scan Tool Display - Modulating Piston Displacement Sensor & Quantity Adjuster (5 Of 5)
Courtesy of VOLKSWAGEN OF AMERICA, INC.
 

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Specification: 1.450 to 2.000 Volts  

If specification not obtained: 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Diesel Fuel Injection, 1.9L ALH - New Beetle

  

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Check Modulating piston displacement sensor -G149- and quantity adjuster as described in following:  

Modulating piston displacement sensor -G149-, checking 

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Press --> button.  

Display will appear as shown: 

Fig. 90: Scan Tool Display - Modulating Piston Displacement Sensor 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Press -0- and -6- buttons to select Function 06: "End output".  

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Press -Q- button to enter input.  

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Switch OFF ignition.  

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Disconnect 10-pin Fuel Temperature sensor harness connector (connection to Diesel injection pump 
metering control). 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Diesel Fuel Injection, 1.9L ALH - New Beetle

  

Fig. 91: Identifying 10-Pin Fuel Temperature Sensor Connector Terminals 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Switch Fluke 83 multimeter to resistance range.  

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Measure resistance between connector terminals: 1 + 2 and 2 + 3.  

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Specification: 4.9 to 7.5ohm  

If specification not obtained: 

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Replace Diesel injection pump. See DIESEL INJECTION PUMP, REMOVING AND 
INSTALLING
 .  

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Display the Readiness code. See READINESS CODE, DISPLAYING .  

If DTC memory was erased: 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Diesel Fuel Injection, 1.9L ALH - New Beetle

  

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Set the readiness code. See READINESS CODE, SETTING .  

If specification obtained: 

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Connect VAG1598/22 (or 1598/31) Test Box to ECM wiring harness. 

Fig. 92: Connecting VAG1598/22 (Or 1598/31) Test Box To ECM Wiring Harness 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Check wiring for open circuit between Test Box and harness connector using Wiring diagram. 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Diesel Fuel Injection, 1.9L ALH - New Beetle

  

 

 

 

 

 

 

 

Content   ..  1385  1386  1387  1388   ..