Volkswagen Golf 1999 Service Manual page 689

Measured value (data) blocks
Display group 46 - Oxygen Sensor (O2S) control - Three Way Catalytic Converter
(TWC) diagnosis (conversion test)
Control module in function "04-Basic setting"
Vehicle stationary, engine running at increased idle speed (only with depressed
brake pedal and accelerator)
System in basic
setting 46
xxxx xxx.x x.xx Text
rpm
C
1 2 3
Three Way Catalytic Converter (TWC)
temperature
Engine speed
Note on display zone 2:
Value calculated from engine speed and engine load.
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Next&type=repair&id=...
Indicated on display
4
Display zones
Result of Three Way
Catalytic Converter (TWC)
conversion test
(Test OFF / Test ON /
CatB1 OK. / CatB1n.OK.)
Three Way Catalytic Converter
(TWC) conversion rate
Página 53 de 86
Specification Evaluation
CatB1 OK.
0.00...0,99
min. 380.0 C
Approx. 2300
rpm
01-234
Page 01-
235
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12/2/2005