Volkswagen New Beetle. Manual - part 1224

 

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Volkswagen New Beetle. Manual - part 1224

 

 

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Engine oil temperature min. 80° C  

Test sequence 

The charge air pressure is measured under full load, while driving or on a rolling road. 

Observe applicable safety precautions when carrying out a road test. See SAFETY PRECAUTIONS . 

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Connect VAG 1551 Scan Tool (VAG 1552). Start engine and select engine electronics control module 
with "Address word" 01. Connecting scan tool and selecting engine control module:  

See V.A.G 1551 Scan Tool, Connecting And Selecting Engine Control Module 

Indicated on display: 

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 12: V.A.G 1551 Scan Tool Display - Checking Charge Air Pressure System (1 Of 4) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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

Indicated on display: 

Fig. 13: V.A.G 1551 Scan Tool Display - Checking Charge Air Pressure System (2 Of 4) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Press buttons -1-, -1- and -4- for "Display group number 114" and confirm entry with -Q- button.  

Indicated display: (1 to 4 = Display zones) 

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 14: V.A.G 1551 Scan Tool Display - Checking Charge Air Pressure System (3 Of 4) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Check duty cycle of Wastegate Bypass Regulator Valve (N75) in display zone 4 (at wide open throttle 
between 1800 to 2300 RPM) during a test drive or on a rolling road. 

Specification: 5.0...95.0% 

If the specification is obtained: 

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Change to display group 115 as follows: 

VAG 1551: press button 3 

VAG 1552: press button "UPARROW" 

Indicated display: (1 to 4 = Display zones) 

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 15: V.A.G 1551 Scan Tool Display - Checking Charge Air Pressure System (4 Of 4) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Check charge pressure (actual value) at wide open throttle in display zone 4:  

On rolling road 

In 3rd gear or in 2nd driving range 

During test drive 

Vehicles with manual transmission. 

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Accelerate in 2nd gear with wide open throttle.  

Vehicles with automatic transmission. 

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Manually select drive mode 3 and accelerate vehicle from a low speed at Wide Open Throttle (WOT, 
without Kick-Down).  

Engine code AWV 

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Press print button between 1800 to 2300 RPM and read charge air pressure actual value in display zone 4. 

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

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