TT Quattro Coupe V6-3.2L (BHE) (2005)
Electronic Throttle Actuator Position Sensor: Testing and Inspection
Throttle Drive Angle Sensors, Checking
Special tools, testers and auxiliary items required
-
Multimeter.
-
Wiring diagram
Test requirement
-
The Motronic Engine Control Module (ECM) J220 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 Drive Angle Sensor 1 (for Electronic
Power Control (EPC)) G1871 Throttle Drive Angle Sensor 2 (for Electronic Power Control (EPC)) G188.
Test procedure
-
Perform a preliminary check to verify the customers complaint. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing
and Procedures/General Diagnosis
-
Release the tabs - arrows - and remove the steering column cover.
Start diagnosis
-
Disconnect the Throttle Drive Angle Sensor 1 (for Electronic Power Control (EPC)) G187 / Throttle Drive Angle Sensor 2 (for Electronic Power
Control (EPC)) G188 electrical harness connector - 2 -.
Checking voltage supply and wiring
-
Switch the ignition on.