Volkswagen New Beetle. Manual - part 1604

 

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

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  1602  1603  1604  1605   ..

 

 

Volkswagen New Beetle. Manual - part 1604

 

 

Fig. 32: Measuring Voltage Between Terminal 2 And Ground On MAF Sensor Harness Connector
Courtesy of VOLKSWAGEN OF AMERICA, INC.
 

z

Start engine and run at idle speed.  

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle

  

Specification: 11.0 to 15.0 V 

If no voltage is present: 

z

Switch off ignition.  

z

Check wire between 5 -pin connector terminal 2 and Fuel Pump (FP) Relay -J17- for open circuit using 
Electrical Wiring Diagram. 

Wire resistance: max. 1.5 

If the voltage supply and wiring is OK: 

z

Connect multimeter to measure voltage on connector terminal 4 and engine Ground (GND). 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle

  

Fig. 33: Measuring Voltage Between Terminal 4 And Ground On MAF Sensor Harness Connector
Courtesy of VOLKSWAGEN OF AMERICA, INC.
 

z

Switch on ignition. 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle

  

Specification: 4.5 to 5.5 V 

If no voltage is present: 

z

Switch off ignition.  

z

Check signal and Ground (GND) wires, see TESTING SIGNAL AND GROUND (GND) WIRES FOR 
MASS AIR FLOW (MAF) SENSOR -G70-
 .  

Testing signal and Ground (GND) wires for Mass Air Flow (MAF) sensor -G70- 

z

Remove inner plenum chamber cover, left: 

See PLENUM CHAMBER INNER COVER, REMOVING AND INSTALLING 

z

Connect VAG 1598/31 test box to control module wiring harness. Motronic Engine Control Module 
(ECM) -J220- is not connected by this action. 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle

  

 

 

 

 

 

 

 

Content   ..  1602  1603  1604  1605   ..