Volkswagen New Beetle. Manual - part 1598

 

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Volkswagen New Beetle. Manual - part 1598

 

 

Fig. 13: Measuring Voltage Between Terminal 3 And Ground On HO2S -G39- Harness Connector

 

2003 Volkswagen New Beetle GLS 

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

  

Courtesy of VOLKSWAGEN OF AMERICA, INC.

z

Start engine and run at idling speed.  

z

Measure voltage supply: 

Specification: 11.0 to 14.5 V 

If the specification is not obtained: 

z

Check wiring from terminal 3 to Fuel Pump (FP) Relay -J17- using Electrical Wiring Diagram. 

If the specification is obtained: 

z

Connect multimeter using aux. cables from VAG 1594 to measure voltage at terminals 3 and 4 (connector 
to Motronic Engine Control Module (ECM) -J220-). 

 

2003 Volkswagen New Beetle GLS 

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

  

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 14: Measuring Voltage Between Terminal 3 And 4 On HO2S -G39- Harness Connector
Courtesy of VOLKSWAGEN OF AMERICA, INC.
 

z

Measure voltage supply and note display group 41, display zone 2. 

Display: Htg.bC.ON: 

z

Specification: 11.0 to 14.5 V  

Display: Htg. bC.ON/Htg.bC.OFF (alternating): 

z

Specification: Between 0.0 to 12.0 V fluctuating  

z

Switch off ignition. 

If no voltage is present: 

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

  

 

 

 

 

 

 

 

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