skoda Workshop Repair Guides

Skoda Workshop Service and Repair Manuals

Initiating basic setting > < Check longitudinal acceleration sender G251
Checking the data BUS cable
Checking the data BUS cable
Reading measured value block → Chapter.
Display group number 125
   
Readout on display:
–  Enter 125 for display group number 125 and confirm entry with key Q.
–  Confirm the entry with the key Q.
 
Reading measured value block         
Enter display group number XXX   
Readout on display:
 
Reading measured value block 125     ->
Engine 1    four-wheel 1     gearbox 1 
Display fieldTest conditionsDisplay on V.A.G. 1552
1Data BUS to engine control unit 
t  Connection available
1
t  no connection
0
2Data BUS to four-wheel drive control unit 
t  Connection available
1
t  no connection
0
3Data BUS to automatic gearbox control unit 
t  Connection available
1
t  no connection
0
4not assigned

If the readout differs from the specified values as of:
–  Read fault memory of the control units connected to the data BUS
t  Engine control unit
t  Gearbox control unit (only for automatic gearbox)
t  Four-wheel drive control unit.
–  Test the wiring according to the current flow diagram → binder „Current Flow Diagrams, Electrical Fault Finding and Fitting Locations“
   

Initiating basic setting > < Check longitudinal acceleration sender G251