Volkswagen New Beetle. Manual - part 1642

 

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

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  1640  1641  1642  1643   ..

 

 

Volkswagen New Beetle. Manual - part 1642

 

 

z

Observe display in display zone 4. It must show: Compr. OFF.  

z

Switch on air conditioning system.  

z

Select lowest temperature and highest blower speed. 

Display in display zone 4 must change to Compr. ON. 

z

Floor accelerator pedal quickly and then release (brief burst of throttle). 

Display in display zone 4 must change from Compr.ON to Compr. OFF for a few seconds (compressor 
switch-off when vehicle is accelerating). 

z

Press --> button.  

z

Press buttons -0- and -6- for "End output" function and confirm input with -Q- button.  

z

Switch off ignition. 

Continuation 

If the display does not change: 

z

Remove inner plenum chamber cover at 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. 

Continuation

(1)

Engine idling at normal operating temperature for manual transmission

(2)

Engine idling at normal operating temperature for automatic transmission

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 156: Connecting VAG 1598/31 Test Box To Control Module Wiring Harness 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Check wiring for open circuit between test box sockets 40 + 41 and air conditioner system using 
Electrical Wiring Diagram. 

Wire resistance: max. 1.5 ohm 

If no wiring malfunctions can be found: 

z

Check function of air conditioner control module.  

z

Check DTC Memory, if necessary, repair any malfunctions and then Erase DTC Memory, see DTC 
MEMORY OF MOTRONIC ENGINE CONTROL MODULE (ECM) -J220-, CHECKING AND 
ERASING
 .  

z

Read readiness code, see READINESS CODE, DISPLAYING . If DTC memory has been erased or 

 

2003 Volkswagen New Beetle GLS 

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

  

Motronic Engine Control Module (ECM) -J220- was disconnected from battery positive, readiness code 
must be generated again, see READINESS CODE, GENERATING .  

Signal from Clutch Vacuum Vent Valve Switch -F36-, checking, vehicles from MY 2001 

Special tools, test equipment and auxiliary items 

z

VAG 1551 scan tool or VAG 1552 mobile scan tool with VAG 1551/3B cable  

z

VAG 1598/31 test box  

z

VAG 1526 A or Fluke 83 multimeter  

z

VAG 1594 adapter set  

z

Electrical Wiring Diagram  

Test conditions 

z

All fuses must be OK. Fuse holder is located behind access panel at far left end of dash. 

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 157: Locating Fuses 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Battery voltage must be at least 11.5 V  

z

All electrical accessories, e.g. lights and rear window defroster must be switched off  

Test sequence 

z

Connect VAG 1551 scan tool (or VAG 1552). Switch ignition on and select Motronic Engine Control 
Module (ECM) -J220- with "Address word" 01. Connecting scan tool and selecting Motronic Engine 
Control Module (ECM) -J220-, see VAG 1551, CONNECTING AND SELECTING 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

  

 

 

 

 

 

 

 

Content   ..  1640  1641  1642  1643   ..