Jetta L4-1.9L DSL Turbo (BEW) (2004)
Air Flow Meter/Sensor: All Technical Service Bulletins
Engine Controls - DTC P0101 Stored
01 07 46
May 7, 2007
2010352 Supersedes T.B. Group 01 number 05-11 dated July 21, 2005 due to inclusion into ElsaWeb.
Affected Vehicles
Condition
DTC P0101 (16485) Stored in DTC Memory
Diagnostic Trouble Code (DTC) P0101 (16485) Stored in DTC memory.
Technical Background
Diagnostic aid for finding other Mass Air Flow (MAF) -G70- fault causes.
Production Solution
No production change required.
Service
DO NOT automatically replace the Mass Air Flow (MAF) sensor -G70- for this condition, first perform the following:
^
Repair any other DTCs stored in electronic diesel control module.
WARNING:
VAS 5051/5052 must be secured to the rear seat and operated from there by a second person.
Procedure
^
Warm up engine to above 85°C (185°F)
^
View Measuring Value Block (MVB) 93, channel 2 in deceleration mode from approximately 2300 RPM to 1800 RPM in 5th gear (manual or
Tiptronic).
Deceleration is indicated when channel 1 looks as follows: 00000100.
Desired value for channel 2 = 0.95 1.05.
Tip: