Reading measuring value block; Display group number 004; Checking solenoid valves while driving
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2002 Volkswagen Cabrio, 2001 Volkswagen Cabrio, 2000 Volkswagen Cabrio, 1999 Volkswagen Jetta, and 1999 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Solenoid valves can be checked while driving via "Read measuring value block 08"; display group number 004.
- The table shows solenoid valves -N88-, -N89-, -N90- (displays 1 to 3) as activated in each selector lever position. These solenoid valves control the shift valves for the relevant gears.
- Solenoid valve -N91- activates the lock-up clutch modulation valve and is not covered here.
- Solenoid valves -N92- and -N94- are supplementary valves which affect gear shifts. These are only controlled during gear changes and displayed in fields 5 and 6.
- VAG 1551 display box 1 has 6 characters (0000 00) and is read as follows:
DISPLAY GROUP NUMBER 004; CHECKING SOLENOID VALVES WHILE DRIVING
| Display on VAG 1551 |
Display field 1: | |||||
|---|---|---|---|---|---|---|
| Display 1 | Display 2 | Display 3 | Display 4 | Display 5 | Display 6 | |
| 1551 | Solenoid valve 1 -N88- |
Solenoid valve 2 -N89- |
Solenoid valve 3 -N90- |
Solenoid valve 4 -N91- (not applicable) |
Solenoid valve 5 -N92- |
Solenoid valve 7 -N94- |
NOTE:
- Non-activated solenoid valves display "0" and activated solenoid valves display "1".
- All solenoid valves are checked via On Board Diagnostic (OBD), see DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING (FUNCTION 02) .