A4 Sedan V6-3.2L (BKH) (2007)
Accelerator Pedal Position Sensor: Component Tests and General Diagnostics
Throttle Position (TP) Sensor G79 / Accelerator Pedal Position Sensor 2 G185, Checking
Special tools, testers and auxiliary items required
-
Multimeter.
-
Wiring diagram.
Test requirement
-
The 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.
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.
-
The Throttle Position (TP) Sensor G79 / Accelerator Pedal Position Sensor 2 G185 is located in the accelerator pedal module and
communicate the drivers intensions to the Engine Control Module (ECM) J623 completely independently of each other. Both sensors are
located in the accelerator pedal module and replaced as an entire assembly.
Test sequence
-
Remove the left knee panel.
-
Disconnect the Throttle Position (TP) Sensor G79 / Accelerator Pedal Position Sensor 2 G185 electrical harness connector - 2 -.
Checking voltage supply
-
Switch the ignition on.
-
Using a Multimeter, check the following wiring connections for voltage.