PINPOINT TEST DH: Throttle Position (TP) Sensor: Introduction
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2008 Mercury Sable, 2008 Mercury Mountaineer, 2008 Mercury Milan, 2008 Mercury Mariner, and 2008 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
This pinpoint test is intended to diagnose the following:
- TP sensor (9B989)
- binding or sticking throttle linkage
- harness circuits: TP, SIGRTN, VREF, VPWR, and PWRGND
- powertrain control module (PCM) (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Escape/Mariner 2.3L, Ranger 2.3L |
A | 2 1 3 |
TP SIGRTN VREF |
| All other vehicles | B | 2 3 1 |
TP SIGRTN VREF |
For PCM connector views or reference values, refer to the REFERENCE VALUES article.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Escape/Mariner | 150 (50-50-50) Pin | E41 B47, B48, B49, B50 B40, E40 B35, B36 E19 |
SIGRTN PWRGND VREF VPWR TP |
| Ranger | 170 Pin | E58 B47, B48, B49, B50 B40, E57 B35, B36 E61 |
SIGRTN PWRGND VREF VPWR TP |