Exhaust Emissions Test For Diesel Engines With Obd - Volkswagen Golf 2004 Service Manual

5.3 Exhaust emissions test for diesel en‐
gines with OBD
Caution
• Observe "SAFETY AND DAMAGE AVOIDANCE PRE‐
CAUTIONS" in the operating instructions for VAS 6300.
Note
The following description refers to vehicles fitted with "On‐
♦
board diagnosis" OBD.
The OBD monitors all components and part systems influenc‐
♦
ing the exhaust emissions quality.
Special tools and workshop equipment required
♦ Emissions testing station -VAS 6300-
♦ OBD adapter cable -VAS 5052/16-
Note
It is only possible to carry out an exhaust emissions test when
♦
all units of the emissions testing station -VAS 6300- are con‐
nected properly and combined with each other according to
operating instructions.
All work to be performed is displayed by the emissions testing
♦
station -VAS 6300- .
Test prerequisites:
• All test conditions and data required for exhaust emissions test
are found on EET data sheet for the respective engine.
• For bar code reading of specified data for EET, the EET data
sheet must be printed out.
• Automatic gearbox: Selector lever in position "P" or "N".
• Manual gearbox: Gear lever in neutral
• Handbrake pulled on
– Perform exhaust emissions test according to instructions on
display.
Golf 2004 ➤ , Golf Plus 2005 ➤
Maintenance - Edition 11.2009
5. Exhaust emissions test
171