Pinpoint Test Tb: Transmission Control Switch (TCS)/Transmission Control Indicator Lamp (TCIL): Introduction
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2009 Mercury Mountaineer, 2009 Mercury Milan, 2009 Mercury Mariner, 2009 Mercury Grand Marquis, and 2009 Lincoln Town Car. 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
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series 4.6L, E-Series 5.4L, Focus |
190-Pin | T30 | TCS |
| E-Series 6.8L, F-Super Duty 6.8L |
170 Pin | B27 | TCS |
| Edge, Flex, MKS, MKX, Sable, Taurus, Taurus X |
190-Pin | B16 | TCS |
| Escape/Mariner | 190-Pin | T31 | TCS |
| F-150 | 190-Pin | B30 | TCS |
| F-Super Duty 5.4L | 170 Pin | B43 B27 |
TCIL TCS |
| Fusion | 140 Pin | B16 | TCS |
| All other vehicles | 170 Pin | B29 | TCS |