Skoda OCTAVIA MK1 Service Manual page 233

– Repeat adaptation of the throttle valve control unit
If the adaptation cannot be started or successfully completed,
–
replace the throttle valve control unit.
– Perform adaptation of the throttle valve control unit
Inspect sender for throttle valve positioner and throttle valve
potentiometer
– Unplug the 8-pin connector from the throttle valve control unit.
– Switch on ignition.
Use handheld multimeter to measure
–
voltage between the contacts 4 and 7 at
the 8-pin plug.
Specified value: min. 4.8 V
If the specified value is not reached,
connect the 8-pin plug.
– Start engine.
Select 08 for the function "read
–
measured value block" and display group
number 098 → Chapter.
The following appears in the display:
The values in the display field 1 (voltage of the throttle
valve positioner potentiometer) must be between 3.70 V
up to 4.75 V.
The values in the display field 2 (voltage of the throttle
valve positioner potentiometer) must be between 2.28 V
up to 4.75 V.
If the specified values are not reached:
– Switch off ignition.
Connect the test box -V.A.G 1598/22 - to the wiring loom
–
of the engine control unit
Unplug the 8-pin connector from the throttle valve
–
control unit.
→ Chapter.
233
→ Chapter.
→ Chapter.
Reading measured value block 98
->
4.20 V 3.48 V
00
00000000