Throttle Position Sensor: Adjusting

WARNING: This page is about a different variant/trim than selected.

Connect VAG 1551/1552 Scan Tool, or equivalent, to data link connector. See Fig 1 . Switch ON ignition.

Press 0 and 1 buttons to select address word 01 "engine electronics"

Fig 1: Locating Data Link Connector

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Indicated on display:

Rapid data transfer HELP
Select function XX

Press 0 and 8 buttons to select function 08 "Read measuring value block". Press Q button to enter input.

Indicated on display:

Read measuring value block HELP
Input display group number XX

Press 0 and 2 buttons to select display group 02. Press Q button to enter input.

Check Throttle Position in display field 2 (accelerator pedal must not be depressed)

Example of indicated on display:

Read measuring value block "right arrow"
0 RPM 0.0% 0 1 0 18.4° C

Specification: 0.0%

Fully (slowly) depress accelerator pedal while observing display field 2. Throttle position value must increase continuously and then display 100% just before the Wide Open Throttle stop.

Example of indicated on display:

Read measuring value block "right arrow"
0 RPM 100% 0 1 0 18.4° C

If necessary, adjust throttle Position as follows:

Turn adjustment screw -7- until Closed Throttle Position display shows 0.0%. See Figure .

Depress accelerator pedal to point just before Wide Open throttle position. Display must show 100%

Erase DTC memory. Re-create readiness code.