Skoda OCTAVIA MK1 Service Manual page 239

control unit -2-.
Measure resistance of throttle valve
–
positioner between the contacts 1 + 2:
Specified value: 3...200 Ω
If the specified value is not reached:
Replace throttle valve control unit
–
→ Chapter.
If the specified value is reached:
Test voltage supply of throttle valve
–
control unit and cables to engine control
unit → Anchor.
Test voltage supply and cables to the
control unit
Unplug plug -1- from the throttle valve
–
control unit -2-.
– Switch on ignition.
Measure the voltage between the
– contacts 4 + 7 of the plug using the
multimeter.
Specified value: min. 4.5 V
Measure the voltage between the
– contacts 3 + 7 of the plug using the
multimeter.
Specified value: min. 9 V
– Switch off ignition.
Connect the test box -V.A.G 1598/22 - to
–
the wiring loom of the engine control unit
→ Chapter.
– Check wiring between the test box and
the plug for continuity according to the
239