Pinpoint Test TB: Transmission Control Switch (TCS)/Transmission Control Indicator Lamp (TCIL): Introduction
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2010 Mercury Milan, 2010 Mercury Mariner, 2010 Mercury Grand Marquis, 2010 Lincoln Town Car, and 2010 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
This pinpoint test is intended to diagnose the following:
- TCS
- TCIL
- harness circuits: TCS and TCIL
- powertrain control module (PCM) (12A650)
For PCM connector views or reference values, refer to REFERENCE VALUES .
POWERTRAIN CONTROL MODULE (PCM) CONNECTOR PIN REFERENCE CHART
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series 4.6L, E-Series 5.4L, Focus, Transit Connect |
190-Pin | T30 | TCS |
| E-Series 6.8L, F-Series Super Duty 6.8L |
170 Pin | B27 | TCS |
| Edge, Flex, MKS, MKT, MKX, Taurus |
190-Pin | B16 | TCS |
| Escape/Mariner, Fusion, Milan |
190-Pin | T31 | TCS |
| F-150 | 190-Pin | B30 | TCS |
| F-Series Super Duty 5.4L | 170 Pin | B43 B27 |
TCIL TCS |
| All other vehicles | 170 Pin | B29 | TCS |