Volkswagen New Beetle. Manual - part 1319

 

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Volkswagen New Beetle. Manual - part 1319

 

 

Fig. 39: Scan Tool Display - MAP Sensor & BARO Sensor (5 Of 5)
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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Connect VAG1598/22 (or 1598/31) Test Box to ECM wiring harness. 

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 40: Connecting VAG1598/22 (Or 1598/31) Test Box To ECM Wiring Harness 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Disconnect -G71- harness connector. See DIESEL INJECTION SYSTEM, COMPONENT 
LOCATIONS OVERVIEW
 .  

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

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 41: Identifying MAP And BARO Sensor Harness Connector Terminals 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Up to MY 1999 

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Terminal 3 + socket 39  

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Terminal 4 + socket 40  

From MY 2000 

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Terminal 3 + socket 31  

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Terminal 4 + socket 71  

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Wire resistance: 1.5ohm maximum  

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Check wires for short to one another, to Ground and to Battery + 

 

2003 Volkswagen New Beetle GLS 

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

  

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Specification: INFINITY ohm  

If wiring OK: 

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Replace Engine Control Module -J248-. See Engine Control Module (ECM), replacing .  

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Display the Readiness code. See READINESS CODE, DISPLAYING .  

If DTC memory was erased: 

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Set the readiness code. See READINESS CODE, SETTING .  

Engine Coolant Temperature (ECT) Sensor -G62-, checking 

Special tools 

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VAG1551/1552 Scan Tool or vehicle system tester VAG1552 using VAG1551/3 Adapter cable  

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VAG1598/22 Test Box (MY 1999)  

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VAG1598/31 Test Box (from MY 2000)  

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Fluke 83 multimeter  

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VW 1594 Adapter kit  

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Wiring diagram  

Test sequence 

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Connect VAG1551/1552 Scan Tool. See VAG1551/1552 SCAN TOOL, CONNECTING .  

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Start engine and let idle.  

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Press -0- and -1- buttons to select Address word 01: "Engine electronics"  

Display will appear as shown (example only):

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

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