PINPOINT TEST DK: Accelerator Pedal Position (APP) Sensor: Introduction
WARNING: This page does not describe the selected car, but rather 22 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
After clearing an APP sensor diagnostic trouble code (DTC) to verify a repair or an intermittent concern, apply the accelerator pedal before carrying out the self-test. Take 10 seconds to carry out a full sweep of the accelerator pedal from fully released to fully applied and back to fully released.
This pinpoint test is intended to diagnose the following:
- APP sensor (9F836)
- harness circuits: APPRTN, APPRTN2, APPVREF, APPVREF2, APP, APP2, and APP3
- powertrain control module (PCM) (12A650)
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to REFERENCE VALUES .
POWERTRAIN CONTROL MODULE (PCM) CONNECTOR PINS REFERENCE CHART
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Crown Victoria, E-Series 6.8L, Grand Marquis, Town Car | 170 PIN | B28 B17 B5 |
APP3 APP2 APP |
| F-150 3.5L | 198 PIN | B54 B55 |
APP2 APP |
| Fiesta | 128 PIN | E44 | APP |
| Flex 4V 3.5L, MKS 3.7L, MKT 3.7L, Taurus 4V 3.5L | 190-PIN | B27 B26 B25 |
APP3 APP2 APP |
| Fusion 3.5L, MKZ | 140 PIN | B27 B26 B25 |
APP3 APP2 APP |
| All other vehicles | 190-PIN | B29 B28 |
APP2 APP |