Volkswagen New Beetle. Manual - part 1234

 

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Volkswagen New Beetle. Manual - part 1234

 

 

DISPLAY ZONES 

If the display does not indicate as described: 

z

Remove engine speed adjuster VAG1788/10 from accelerator pedal.  

z

Press --> key.  

z

Check DTC memory: 

See Diagnostic Trouble Code (DTC) Memory, Checking And Erasing . 

z

Read out readiness code: 

See Readiness Code, Displaying . 

If DTC memory has been erased or the engine control module separated from the permanent positive, the 
readiness code must be generated again. 

See Readiness Code, Displaying . 

If the display indicates as described: 

z

Press C key.  

Indicated on display: 

 

Display zones

1

2

3

4

Display group 34: Oxygen sensor aging diagnostic Bank 1 (sensor dynamics)
Display

xxxx RPM

xxx.x° C

xx.xx

Test OFF/Test ON

B1-S1 OK/B1-S1 n.OK

Indicated

Engine speed (in 

steps of 40)

Catalyst 

temperature

Sensor dynamics Bank 1 

oxygen sensor 1

Diagnostic condition and 

diagnostic result

Working 
range

0 to 6800 RPM

-

0.00 to 1.99

-

Specified 
value

1800 to 2200 

RPM

> 350 °C

> 0.50

B1-S1 OK

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 39: V.A.G 1551 Scan Tool Display - Checking Catalyst (4 Of 6) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

z

Press keys 0, 4 and 6 for "display group number 46" and confirm entry with Q key.  

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

 

2003 Volkswagen New Beetle GLS 

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

  

Fig. 40: V.A.G 1551 Scan Tool Display - Checking Catalyst (5 Of 6) 
Courtesy of VOLKSWAGEN OF AMERICA, INC.

 

2003 Volkswagen New Beetle GLS 

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

  

z

Maintain engine speed at 1800 to 2200 RPM until catalyst temperature in display zone 2 increases to 
above 440° C.  

If the diagnostic is initiated from engine control module the display in display zone 4 jumps from "Test OFF" to 
"Test ON." 

z

Check catalyst conversion (amplitude condition) in display zone 3: 

Specification: max. 0.20 

z

Continue to maintain speed at 1800 to 2200 RPM until the specification "Cat B1 OK." appears in display 
zone 4.  

DISPLAY ZONES 

If the display does not indicate as described: 

z

Remove engine speed adjuster VAG1788/10 from accelerator pedal.  

z

Press --> key.  

z

Check DTC memory: 

See Diagnostic Trouble Code (DTC) Memory, Checking And Erasing . 

z

Read readiness code: 

See Readiness Code, Displaying . 

If the DTC memory has been erased or the engine control module separated from permanent positive, the 
readiness code must be generated again. 

NOTE:

This process can take a few minutes. If no result is displayed within 15 
seconds, change RPMs within specified range.

 

Display zones

1

2

3

4

Display group 46: Catalyst diagnostic Bank 1
Display

xxxx RPM

xxx.x °C

x.xx

Test OFF/Test ON Cat B1 

OK.

Cat B1 n. OK.

Indicated

Engine speed (in 

steps of 40)

Catalyst 

temperature

Catalyst conversion 

(amplitude condition)

Diagnosis condition and 

Diagnosis result

Working 
range

0 to 6800 RPM

-

0.00 to 1.00

-

Specified 
value

1800 to 2200 

RPM

Min.440° C

Max. 020

Cat B1 OK

 

2003 Volkswagen New Beetle GLS 

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

  

 

 

 

 

 

 

 

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