Vehicle applicability: This diagnostic supplement covers multiple Ford vehicles and engines. Follow the application named in the source below. Some references apply to vehicles other than Mustang.
FB4 CHECK THE PTOIR_V PID STATE IN THE PCM
Note: The PTOIR_V PID represents an analog input which reflects the user requested engine speed.
• Access the PCM and monitor the PTOIR_V (VOLT) PID.
• Cycle the PTO switch,
Does the PTOIR_V PID change state?
Yes | No |
|---|---|
GO to FB5 . | REPAIR the PTO RPM circuit or switch as necessary. Clear the PCM DTCs. REPEAT the self-test. |
FB5 CHECK THE PTOIL PID STATE IN THE PCM
• Access the PCM and monitor the PTOIL (MODE) PID.
• Cycle the PTO switch,
Does the PTOIL PID change state?
Yes | No |
|---|---|
GO to the aftermarket PTO mechanical manual. | REPAIR the circuit as necessary. Clear the PCM DTCs. REPEAT the self-test. |
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.