Volkswagen New Beetle. Manual - part 1108

 

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Volkswagen New Beetle. Manual - part 1108

 

 

Fig. 129: V.A.G 1551 Scan Tool Display - Checking Function Of Camshaft Adjuster (1 Of 4) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Press buttons -0- and -4- for function "Introduction of basic setting" and confirm entry with -Q- button.  

Indicated on display: 

Fig. 130: V.A.G 1551 Scan Tool Display - Checking Function Of Camshaft Adjuster (2 Of 4) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Press buttons -0-, -9- and -4- for "Display group number 94" and confirm entry with -Q- button.  

Indicated on display: (1 to 4 = Display zones)

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Engine Mechanical - New Beetle, 1.8 L 4-Cyl. (APH, AWV, AWP)

  

Fig. 131: V.A.G 1551 Scan Tool Display - Checking Function Of Camshaft Adjuster (3 Of 4) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Set engine speed to 1800 to 2200 RPM using speed regulator VAG 1788/10:  

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Maintain engine speed at 1800 to 2200 RPM until display in display zone 3 jumps from 

"Test OFF" to "Test ON". 

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Continue to maintain speed at 1800 to 2200 RPM until specification 

"Syst. OK" appears in display zone 3. 

If the display does not indicate as described: 

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Remove engine speed adjuster VAG 1788/10 from accelerator pedal.  

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Press. See button.  

Indicated on display 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Engine Mechanical - New Beetle, 1.8 L 4-Cyl. (APH, AWV, AWP)

  

Fig. 132: V.A.G 1551 Scan Tool Display - Checking Function Of Camshaft Adjuster (4 Of 4) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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

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Switch ignition off.  

If "Syst. Nok" appears in display zone 3: 

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Read DTC memory. 

See GENERAL INFORMATION FOR ON BOARD DIAGNOSTIC (OBD) . 

If the DTC 17927 appears, it may be because: 

The camshaft adjuster solenoid valve correctly switches oil pressure to the mechanical camshaft adjuster but it 
cannot reach its end position (e.g. tight/partially seized). 

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Replace camshaft adjuster.  

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Check DTC memory: 

See GENERAL INFORMATION FOR ON BOARD DIAGNOSTIC (OBD) . 

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Read readiness code: 

See READINESS CODE . 

If the DTC memory has been erased or the Engine Control Module separated from permanent (battery) positive, 
the readiness code must be generated again. 

See GENERAL INFORMATION FOR ON BOARD DIAGNOSTIC (OBD) .

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Engine Mechanical - New Beetle, 1.8 L 4-Cyl. (APH, AWV, AWP)

  

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Repeat functional check.  

If the specification is not attained: 

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Check wiring for open/short circuit between Engine Control Module to camshaft adjuster solenoid valve 
using wiring diagram: 

See appropriate SYSTEM WIRING DIAGRAM article. 

If no wiring problem is detected: 

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Replace Engine Control Module: 

See REPLACING ENGINE CONTROL MODULE (ECM) . 

Valve guides, checking 

Special tools and equipment 

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VW 387 Universal dial indicator bracket  

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Dial indicator  

Fig. 133: Identifying Special Tools And Equipment 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Test sequence 

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Insert new valve into guide until end of valve stem is flush with end of guide. Due to slight difference in 
stem dimensions, ensure that only an intake valve is used in intake guide and an exhaust valve in exhaust 
guide. 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Engine Mechanical - New Beetle, 1.8 L 4-Cyl. (APH, AWV, AWP)

  

 

 

 

 

 

 

 

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