Throttle Position Sensor

Resistance Testing

- Refer to VAG 1598 Pin Out Box/ Electrical Checks step no. 21

Testing with VAG 1551

- Connect and start operation of VAG 1551 Refer to Connecting and Operating VAG 1551 Scan Tool

Note: Switch ignition ON , Do Not start engine.

- select function 08 "Read test value block" Refer to w/ VAG 1551- Test Value Block, Reading

- Read test value block 3

- Observe "throttle angle" in channel 3 of display

- Displayed value must be 9 to 19 degrees

- Open throttle slowly

- Displayed value must be uniform and increase without interruption

- With throttle completely open displayed value must be 94 to 101 degrees

- If necessary replace TP (throttle position) sensor (G69)

With Automatic Transmission

- If the throttle position (TP) sensor is replaced, the transmission control module (J 217) must "learn" the voltage value of the new potentiometer. Refer to On-Board Diagnostics (OBD) for procedures to return the ECM to its basic setting.