Volkswagen New Beetle. Manual - part 1360

 

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Volkswagen New Beetle. Manual - part 1360

 

 

Fig. 190: Scan Tool Display - A/C System Signal To ECM (1 Of 5) 
Courtesy of VOLKSWAGEN OF AMERICA, INC.

 

2003 Volkswagen New Beetle GLS 

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

  

z

Press --> button.  

Display will appear as shown: 

Fig. 191: Scan Tool Display - A/C System Signal To ECM (2 Of 5) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Press -0- and -8- buttons to select Function 08: "Read measuring value block".  

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Press -Q- button to enter input.  

Display will appear as shown: 

Fig. 192: Scan Tool Display - A/C System Signal To ECM (3 Of 5) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Press -0-, -0- and -2- buttons to select "Display group 2".  

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Press -Q- button to enter input.  

Display will appear as shown (1 to 4 = Display zones):

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 193: Scan Tool Display - A/C System Signal To ECM (4 Of 5) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Switch ON A/C by pressing "Auto" button and selecting lowest temperature. 

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A/C compressor must run.  

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Observe display in Display zone 3.  

If specification not obtained: 

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Specified Value: 1 X 1 (A/C system signal) 

Fig. 194: Scan Tool Display - A/C System Signal To ECM (5 Of 5) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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. 195: 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 following Test Box socket and A/C system using Wiring diagram. 

Up to MY 1999 

Socket 48 

From MY 2000 

Socket 34 

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Wire resistance: 1.5 ohm maximum  

CAN-Bus, checking 

1. Engine Control Module (ECM)  

2. ABS control module  

3. Transmission Control Module (TCM) 

z

Only vehicles with automatic transmission  

4. Airbag control module  

5. Instrument cluster  

6. CAN-Bus 

NOTE:

The following list refers to Fig. 196 .

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

Content   ..  1358  1359  1360  1361   ..