PINPOINT TEST DP: Output Shaft Speed (OSS) Sensor/Vehicle Speed Sensor (VSS)/Transfer Case Speed Sensor (TCSS): 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.
WARNING:
Crown Victoria Police Interceptor vehicles equipped with fire suppression system, refer to part 419-03 for Important Safety Warnings. Failure to follow these instructions may result in personal injury.
This pinpoint test is intended to diagnose the following:
- OSS/VSS/TCSS (7F293/7M101/7H103)
- harness circuits: OSS/VSS, TCSS, and SIGRTN
- powertrain control module (PCM) (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| F-Super Duty | A | 3 2 1 |
SIGRTN OSS/VSS VPWR |
| Focus | B | 2 1 3 |
OSS/VSS PWRGND VPWR |
| Fusion 2.3L, Milan 2.3L |
C | 2 1 |
SIGRTN OSS/VSS |
| Mustang | D | 2 1 |
SIGRTN OSS/VSS |
| All other vehicles | D | 1 2 |
SIGRTN OSS/VSS |
| Pin | Circuit |
|---|---|
| 2 | TCSS (Transfer Case Speed Sensor) |
| 1 | SIGRTN (Signal Return) |
For PCM connector views or reference values, refer to the REFERENCE VALUES article.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Escape/Mariner | 150 (50-50-50) Pin | B35 B47, B48, B49, B50 B41, E41, T41 T4 |
VPWR PWRGND SIGRTN OSS/VSS |
| F-150 4.2L | 190 Pin | B51 B67, B68, B69, B70 B58, E58, T43 T14 |
VPWR PWRGND SIGRTN OSS/VSS |
| F-Super Duty, Mustang, Ranger |
170 Pin | B35 B47, B48, B49, B50 B41, E58, T41 T3 |
VPWR PWRGND SIGRTN OSS/VSS |
| Focus | 190 Pin | B67 B69, B70 B58, E64, T40 T2 |
VPWR PWRGND SIGRTN OSS/VSS |
| Fusion, Milan |
140 Pin | B51 B67, B68, B69 B58, E58 B65 |
VPWR PWRGND SIGRTN OSS/VSS |
| All other vehicles | 190 Pin | B51 T16 B67, B68, B69, B70 B58, E58, T43 |
VPWR TCSS PWRGND SIGRTN |