Volkswagen New Beetle. Manual - part 1647

 

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Volkswagen New Beetle. Manual - part 1647

 

 

ENGINE CONTROL MODULE (ECM) -J220- 

Indicated on display 

Fig. 174: Identifying Scan Tool Display - Checking Signal From Brake Light Switch And Brake 
Vacuum Vent Valve Switch (1 Of 3)
 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Press buttons -0- and -8- for function "Read measuring value block" and confirm entry with -Q- button. 

Indicated on display 

Fig. 175: Identifying Scan Tool Display - Checking Signal From Brake Light Switch And Brake 
Vacuum Vent Valve Switch (2 Of 3)
 
Courtesy of VOLKSWAGEN OF AMERICA, INC.

 

2003 Volkswagen New Beetle GLS 

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

  

z

Press buttons -0-, -6- and -6- for "display group 66" and confirm with -Q- button. 

Indicated on display (1 to 4 - Display zones) 

Fig. 176: Identifying Scan Tool Display - Checking Signal From Brake Light Switch And Brake 
Vacuum Vent Valve Switch (3 Of 3)
 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Observe display in display zone 2: (1st and 2nd positions from right) 

Brake pedal not depressed: 

Specification: x x x x x x 0 0 

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Depress brake pedal fully and observe display in display zone 2. 

Specification: x x x x x x 1 1 

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Press --> button.  

z

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

z

Switch off ignition. 

If the display does not change: 

z

Remove driver's side footwell cover: 

See STORAGE, COVERS AND TRIMS 

z

Disconnect 4-pin connector from Brake Light Switch -F- and Brake Vacuum Vent Valve Switch -F47-.  

z

Measure resistance between terminals 1 + 4 of switch. 

 

2003 Volkswagen New Beetle GLS 

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

  

Specification: 

z

Brake pedal not depressed: (no continuity)  

z

Brake pedal depressed: Max. 1.5  

z

Measure resistance between terminals 2 + 3 of the switch. 

Fig. 177: Identifying Brake Light Switch And Brake Vacuum Vent Valve Switch Terminals 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Specification: 0 ohm 

 

2003 Volkswagen New Beetle GLS 

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

  

z

Brake pedal not depressed: Max. 1.5  

z

Brake pedal depressed: (no continuity)  

If the specifications are not obtained: 

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Replace Brake Light Switch -F- and Brake Vacuum Vent Valve Switch -F47-.  

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

If the specifications are obtained: 

z

Connect multimeter to measure voltage between terminal 1 and Ground (GND). 

Specification: at least 11.5 V 

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Connect multimeter to measure voltage between terminal 2 and Ground (GND).  

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Switch on ignition. 

Specification: min. 11.5 V 

If the specifications are not obtained: 

z

Check wiring between 4 -pin connector terminals 1 and 2 to central electric using Electrical Wiring 
Diagram. 

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

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