A3 L4-2.0L Turbo (CBFA) (2008)
Throttle Position Sensor: Testing and Inspection
Throttle Position Sensor/Accelerator Pedal Position Sensor 2, Checking
Observe all safety precautions.
View clean working conditions.
Use only gold-plated terminals when servicing any component with gold-plated electrical harness connector terminals.
For wiring diagrams, component locations, and connector views, Refer to the applicable wiring diagram.
Special tools, testers and auxiliary items required
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multimeter.
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Wiring diagram
Test requirement
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The Motronic Engine Control Module (ECM) J623 fuses OK.
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Battery voltage at least 12.5 volts.
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All electrical consumers such as, lights and rear window defroster, switched Off.
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Vehicles with automatic transmission, shift selector lever into position "P" or "N".
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A/C switched off.
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Ground (GND) connections between engine/transmission/chassis OK.
NOTE: Use only gold-plated terminals when servicing the electrical harness connector terminals in Throttle Position (TP) Sensor G79 / Accelerator
Pedal Position Sensor 2 G185.
Test procedure
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Perform a preliminary check to verify the customers complaint. See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Preliminary Check
Start diagnosis
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Remove the drivers side storage compartment.