October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

3. Check TPS Signal

Turn ignition switch to ON position.
Using the Hi-Scan (Pro), monitor the TPS signals while slowly opening the throttle.
- 0.3 ~ 0.9 V at idle position
- 4.0 ~ 5.5 V at WOT

Is signal within specification?

Yes: Go to next step.

No: Do all repairs associated with TPS before going to next step.