Exhaust Emissions Test For Diesel Engines - Volkswagen Passat 2011 Maintenance Manual

Passat 2011 ➤ , Passat Variant 2011 ➤
Maintenance - Edition 01.2019
Inspection
– Inspect all exhaust emissions relevant components.
– Check if exhaust system is fitted and complete and check for
leaks and damage.
Procedure
– Follow instructions from exhaust gas testing station .
5.2 Exhaust emissions test for diesel en‐
gines
Special tools and workshop equipment required
♦ Exhaust gas testing station L - VAS 7320 A-
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.
It is possible to carry out an exhaust emissions test only when
♦
all units of the emissions testing station are connected prop‐
erly and joined to each other according to the operating in‐
structions.
All work to be performed is displayed by the emissions testing
♦
station .
Conditions for testing
• All test conditions and data required for exhaust emissions test
are found on EET data sheet for the respective engine.
• Automatic gearbox: selector lever in "P" position
• Manual gearbox: gear lever in neutral
• Parking brake applied
• 12V battery fully charged (if battery charge is too low, raise
idling speed if necessary).
– Perform exhaust emissions test according to instructions on
display.
Vehicle data input
– Enter the following data:
♦ Registration number
♦ Key numbers
♦ Vehicle identification number
♦ Fuel type
♦ Mileage
The following vehicle data can be found in the vehicle registration
certificate part 1:
♦ Registration number: "e.g. WOB-HH 1234"
♦ Emission key No. "field 14.1 (code for field 14)"
♦ Vehicle manufacturer: "Field 2", "Field 2.1 (code for field 2)"
♦ Vehicle identification number "field E"
178
5. Exhaust emissions test