A3 Mk1
Checking the throttle valve control unit - vehicles with CCS
Checking the throttle valve potentiometer with CCS
The throttle valve potentiometer (G69) informs the engine control unit of the position of the throttle valve. Test conditions
=> 4-cylinder engine, mechanical components; Repair Group 20
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→ Display readout: |
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→ Specified value: 0...5 <° |
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→ Specified value: The readout in display zone 3 should increase steadily until it reaches 85...90 <° (with accelerator pedal fully depressed). |
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If either the initial or the final specification is not achieved:
If the display does not change or only changes irregularly:
Check the power supply to the throttle valve control unit |
=> Current Flow Diagrams, Electrical Fault Finding and Fitting Locations binder If no wiring fault is detected:
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