S5 Quattro Coupe V8-4.2L (CAUA) (2009)
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Throttle Position Sensor: Testing and Inspection
Throttle Position Sensor and Accelerator Pedal Position Sensor 2, Checking
Throttle Position Sensor and Accelerator Pedal Position Sensor 2, Checking
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram
Test requirement
‹› The Motronic Engine Control Module (ECM) (J623) fuses OK.
‹› Battery voltage at least 12.5 volts.
‹› All electrical consumers such as, lights and rear window defroster, switched off.
‹› Vehicles with automatic transmission, shift selector lever into position " P" or "N".
‹› A/C switched off.
‹› Ground (GND) connections between engine/transmission/chassis OK.
‹› 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
-
Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Testing and Inspection/Scan Tool Testing
and Procedures/Preliminary Check.
Start diagnosis
-
Disconnect the Throttle Position (TP) Sensor (G79)/Accelerator Pedal Position Sensor 2 (G185) electrical harness connector - 2 -.
