PINPOINT TEST DK: Accelerator Pedal Position (APP) Sensor: Introduction
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:
- accelerator pedal position (APP) sensor (9F836)
- harness circuits: ETCRTN, SIGRTN, ETCREF, APP1, APP2, and APP3
- powertrain control module (PCM) (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Focus | A | 5 2 3, 4 1, 6 |
APP2 APP1 ETCRTN ETCREF |
| Fusion, Milan, MKZ |
B | 4 5 7 6, 9 10, 8 |
APP3 APP2 APP1 ETCRTN ETCREF |
| All other vehicles | C | 8 5 2 1, 3 6, 7 |
APP3 APP2 APP1 ETCRTN ETCREF |
For PCM connector views or reference values, refer to the REFERENCE VALUES article.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Crown Victoria, Grand Marquis, Mustang, Town Car |
170 Pin | B41, B6, E59 B24, B4, E66 B35, B36 B28 B17 B5 |
ETCRTN ETCREF VPWR APP3 APP2 APP1 |
| E-Series, F-Super Duty |
170 Pin | B18, B6, E59 B16, B4, E66 B35, B36 B28 B17 B5 |
ETCRTN ETCREF VPWR APP3 APP2 APP1 |
| Expedition, Navigator |
140 Pin | B59, B65, E59 B21, B28, E66 B51, B52, B53 B27 B26 B25 |
ETCRTN ETCREF VPWR APP3 APP2 APP1 |
| Explorer, Explorer Sport Trac, Mountaineer |
170 Pin | B43, B6, E59 B24, B4, E66 B35, B36 B28 B17 B5 |
ETCRTN ETCREF VPWR APP3 APP2 APP1 |
| F-150, Mark LT |
190 Pin | B58, B59, E59 B21, B28, E66 B51, B52, B53 B27 B26 B25 |
ETCRTN ETCREF VPWR APP3 APP2 APP1 |
| Focus | 190 Pin | B44, B60, E60 B45, B61, E59 B67, B68 B29 B28 |
ETCRTN ETCREF VPWR APP2 APP1 |
| Fusion, Milan, MKZ |
140 Pin | B59, B60, E59 B21, B28, E66 B51, B52 B27 B26 B25 |
ETCRTN ETCREF VPWR APP3 APP2 APP1 |
| All other vehicles | 190 Pin | B59, B65, E59 B21, B28, E66 B51, B52, B53 B27 B26 B25 |
ETCRTN ETCREF VPWR APP3 APP2 APP1 |