PINPOINT TEST DH: Throttle Position (TP) Sensor: Introduction

WARNING: This page does not describe the selected car, but rather 35 other vehicles, including the 2007 Mercury Mountaineer, 2007 Mercury Monterey, 2007 Mercury Montego, 2007 Mercury Milan, and 2007 Mercury Mariner. 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)

Fig 1: Throttle Position (TP) Sensor Connector - A

Courtesy of FORD MOTOR CO.

Fig 2: Throttle Position (TP) Sensor Connector - B

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
Escape 2.3L, Focus, Mariner 2.3L, Ranger 2.3L	A	2 1 3	TP SIGRTN VREF
All other vehicles	B	2 3 1	TP SIGRTN VREF

Powertrain Control Module (PCM) Connector

For PCM connector views or reference values, refer to the REFERENCE VALUES article.

Vehicle	Connector	Pin	Circuit
Freestar/Monterey	104 Pin	91 103, 24, 51, 76 90 71, 97 89	SIGRTN PWRGND VREF VPWR TP
Ranger	170 Pin	E58 B47, B48, B49, B50 E57 B35, B36 E61	SIGRTN PWRGND VREF VPWR TP
Taurus	104 Pin	91 103, 24, 51, 76, 77 90 71, 97 89	SIGRTN PWRGND VREF VPWR TP
All other vehicles	150 (50-50-50) Pin	E41 B47, B48, B49 E40 B35, B36 E19	SIGRTN PWRGND VREF VPWR TP