Volkswagen Passat 1995 Official Factory Repair Manual page 2246

General information for On Board Diagnostic (OBD)
Selectable diagnostic modes under address word 33 - OBD
Note:
The conditions required for selecting the desired diagnostic mode are listed in the following table:
Diagnostic mode
Selectable diagnostic modes under address word
33 - OBD
Mode Check measured values
1:
Mode Check operating conditions
2:
Mode Check DTC Memory
3:
Mode Reset/erase diagnostic data
4:
Mode
Check oxygen test results
5:
Mode Check test results of
6: components that are not
continuously monitored
1)
Perform only with ignition switched on when engine does not start (operate starter beforehand for at
least 6 seconds).
2)
Can only be selected with Module number 10 - Engine Electronics.
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU08.ST.1
Page
ST-14
Page
ST-18
Page
ST-21
Page
ST-25
2) Page
ST-27
Page
ST-33
2)
Requirement:
Engine
Engine off
running at
Ignition
idle
switched on
Yes Yes
Yes Yes
1) Yes
Yes
Yes Yes
Yes Yes
No Yes
Page 5 of 12
ST-5
Vehicle in
drive mode
Yes
Yes
Yes
Yes
Yes
Yes
12/6/2004