Volkswagen Passat 1995 Official Factory Repair Manual page 2903

On Board Diagnostic (OBD) program
Reading measured value block, display group 04 - Checking Solenoid Valves while driving
The Solenoid Valves can be checked while driving with the "Read measuring value block" function
(08), display group number 04.
The table shows how the Solenoid Valves -N88-, -N89-, -N90- and -N91- are controlled in each
selector lever position. The Solenoid Valves control the switching valves to the relevant gears.
The Solenoid Valves -N92- and -N94- are supplementary valves that affect gear selection changes
and are only controlled during gear changes. They are displayed in positions 5 and 6.
VAG 1551 Scan Tool display field 1 is made up of 6 characters (0000 00) and is read as follows:
Display on
VAG 1551
Scan Tool (ST)
Display 1 Display 2 Display 3 Display 4 Display 5 Display 6
Non-activated Solenoid Valves are displayed by a "0"
Activated Solenoid Valves are displayed by a "1"
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.AT02.01.2
-N88- -N89-
Display field 1:
-N90- -N91- -N92- -N94-
Page 34 of 43
01-51
12/6/2004