Volkswagen New Beetle. Manual - part 1377

 

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Volkswagen New Beetle. Manual - part 1377

 

 

Fig. 48: Identifying Resistance Between ECT Sensor Terminals 1 And 3 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Specification (see diagram): 

Scale A shows resistance values for temperature range 0 to 50 °C and scale B the values for temperature range 
50 to 100 °C. 

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 49: ECT Sensor Resistance Versus Temperature Range Graph 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Examples: 

z

30 °C corresponds to a resistance from 1500 to 2000 ohm  

z

80 °C corresponds to a resistance from 275 to 375 ohm  

If specification not obtained: 

z

Replace Engine Coolant Temperature (ECT) Sensor -G62-.  

z

Display the Readiness code. See READINESS CODE, DISPLAYING .  

If DTC memory was erased: 

z

Set the readiness code. See READINESS CODE, SETTING . 

If specification obtained: 

z

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

z

Check wiring for open circuit between Test Box and 4-pin harness connector using Wiring diagram. 

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 51: Identifying ECT Sensor Harness Connector Terminals 1 And 3 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Up to MY 1999 

z

Terminal 1 + socket 70  

z

Terminal 3 + socket 54  

From MY 2000 

z

Terminal 3 + socket 112  

z

Terminal 4 + socket 104  

z

Wire resistance: 1.5ohm maximum  

z

Check wires for shorting to: one another, Ground and Battery + 

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

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