Pinpoint Test TB: Transmission Control Switch (TCS)/Transmission Control Indicator Lamp (TCIL): Introduction
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 |