Volkswagen New Beetle. Manual - part 1226

 

  Index      Volkswagen     Volkswagen New Beetle 1998-2008 year - service repair manual

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  1224  1225  1226  1227   ..

 

 

Volkswagen New Beetle. Manual - part 1226

 

 

Fig. 17: Measuring Resistance Between Valve Contacts
Courtesy of VOLKSWAGEN OF AMERICA, INC.
 

If the specification is not obtained: 

z

Replace Wastegate Bypass Regulator Valve -N75-.  

z

Check DTC memory. 

See Diagnostic Trouble Code (DTC) Memory, Checking And Erasing . 

z

Read readiness code. 

See Readiness Code, Displaying . 

If the DTC memory has been erased or the engine control module separated from the permanent positive, the 
readiness code must be generated again. 

See Readiness Code, Displaying . 

If the specification is obtained: 

z

Check specified values in measuring value blocks for charge pressure regulation: 

Display groups 111 to 119 

z

Read Measuring Value Block, Display groups 110 to 119 -charge pressure control 

See Measuring Value Block, Evaluating Display Groups 110...119 (Charge Pressure Control) 

Charge Air Pressure Sensor -G31-, checking 

Special tools and equipment 

z

VAG 1526 A Hand multimeter  

z

VAG1594A Adapter set  

z

VAG 1598/31 Test box  

z

Wiring diagram 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Exhaust System, Emission Controls - New Beetle, 1.8L (APH, AWV & AWP)

  

Fig. 18: Identifying Special Tools And Equipment

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Exhaust System, Emission Controls - New Beetle, 1.8L (APH, AWV & AWP)

  

Courtesy of VOLKSWAGEN OF AMERICA, INC.

Test conditions 

z

On Board Diagnostic (OBD) has detected a malfunction with the Charge Air Pressure Sensor. Check and 
erase DTC memory, if necessary: 

See Diagnostic Trouble Code (DTC) Memory, Checking And Erasing . 

z

Switch ignition off.  

Checking voltage supply and wiring to control module 

z

Disconnect 4-pin connector 2 from Charge Air Pressure Sensor -G31-. 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Exhaust System, Emission Controls - New Beetle, 1.8L (APH, AWV & AWP)

  

Fig. 19: Disconnecting 4-Pin Connector 2 From Charge Air Pressure Sensor -G31- 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Connect multimeter to measure voltage using aux. cables from VAG1594 to contacts 1 (Ground) and 3 
(positive) of connector for Charge Air Pressure Sensor. 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Exhaust System, Emission Controls - New Beetle, 1.8L (APH, AWV & AWP)

  

 

 

 

 

 

 

 

Content   ..  1224  1225  1226  1227   ..