Pinpoint Test FB: Power Take Off (PTO): Introduction
This pinpoint test is intended to diagnose the following:
- PTO switch
- harness circuit: PTO and PTOIL
- 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 6.8L, F-Series Super Duty |
170 Pin | B7 B42 B9 B26 |
PTORPM PTOIL PTOENG PTO |
| All other vehicles | 190-Pin | B8 B11 B6 B3 |
PTORPM PTOIL PTOENG PTO |