audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Throttle Drive Angle Sensor 1 (For Electronic Power Control (EPC)) G187|Page 958 > < Throttle Drive Angle Sensor 1 (For Electronic Power Control (EPC)) G187|Page 956
Page 1
background image

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

-

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.

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

-

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

-

Remove the drivers side storage compartment.

Throttle Drive Angle Sensor 1 (For Electronic Power Control (EPC)) G187|Page 958 > < Throttle Drive Angle Sensor 1 (For Electronic Power Control (EPC)) G187|Page 956