Golf GLS L4-2.0L (AEG) (2001)
-
All fuses must be OK.
-
Engine Coolant Temperature: 85°C minimum See display group 04, display zone 3
Function test
-
Connect V.A.G 1551/1552 Scan Tool See: Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble
Codes/Scan Tool Connecting
-
Start engine and let idle.
-
Press 0 and 1 buttons to select Address word 01 "Engine electronics".
Display will appear as shown
Rapid data transfer
HELP
Select function XX
-
Press 0 and 8 buttons to select Function 08 "Read measuring value block".
-
Press Q button to enter input.
Display will appear as shown
Read measuring value block
Input display group number XXX
-
Press buttons 0, 7 and 0 to select "Display group 70".
-
Press Q button to enter input.
Display will appear as shown (1 to 4 = Display zones)
Read measuring value block 70
->
1
2
3
4
-
Press 4 button to select Function 04: "Basic setting".
-
Tank venting valve diagnostic will be initiated
NOTE: Engine must not be under load during this diagnosis because diagnosis will be interrupted and will not restart until engine is accelerated.
Display will appear as shown (1 to 4 = Display zones)
System in basic setting 70
->
1
2
3
4
NOTE: When diagnosis is initiated by ECM, display in zone 4 changes from "Test OFF" to "Test ON"
-
Run engine at idle until specification "TEV OK" is displayed in zone 4.
NOTE: If display changes from "Test ON" to "Test OFF" during test, briefly raise engine speed and test will repeat.
If the specification "TEV OK" is reached:
-
Press -> button.