Throttle Position (TP) sensor, removing, installing and adjusting: Adjusting

WARNING: This page is about a different car, the 1999 Volkswagen Jetta, 1998 Volkswagen Jetta, and 1997 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

Connect VAG1551 or VAG1552 scan tool.
Switch ignition on.
Press buttons -0- and -1- to insert the "Engine Electronics" address word 01, see VAG1551 SCAN TOOL (ST), CONNECTING .

Indicated on display

Fig 1: Scan Tool Display - Adjusting Throttle Position (TP) Sensor (1 Of 4)

Press buttons -0- and -8- to select "Read Measuring Value Block" function 08, and press -Q- button to confirm input.

Indicated on display

Fig 2: Scan Tool Display - Adjusting Throttle Position (TP) Sensor (2 Of 4)

Press buttons -0-, -0- and -2- to input display group no. 2 (002), and press -Q- button to confirm input.

Check throttle position in display field 2.

Fig 3: Scan Tool Display - Adjusting Throttle Position (TP) Sensor (3 Of 4)
- Accelerator pedal not depressed (at rest position)
- Specification: 0.0 %
Fully (slowly) depress accelerator pedal while watching value in display field 2.

Fig 4: Scan Tool Display - Adjusting Throttle Position (TP) Sensor (4 Of 4)
- Throttle position value must increase continuously and then display 100% just before Wide Open Throttle (WOT) stop.

If necessary, adjust throttle position as follows:

Turn adjustment screw -7- until Closed Throttle Position (CTP) display shows 0.0 %.

Fig 5: Adjusting Throttle Position
Depress accelerator pedal to point just before Wide Open Throttle (WOT).
- Display must show 100 %
Check and erase DTC memory, see ERASE DTC MEMORY (SCAN TOOL FUNCTION 05) .
Re-create readiness code, see READINESS CODE, SETTING (UP TO M.Y. 1997) .