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.
JD: Crankshaft Position (CKP) Sensor
JD: Introduction
JD1 CHECK THE CKP SENSOR SIGNAL SENT TO THE PCM
Note: The battery should be fully charged and the starting system should be functioning correctly.
• Remove the fuel pump fuse to disable the fuel pump.
• Ignition ON, engine OFF.
• Access the PCM and monitor the RPM (RPM) PID.
• Crank the engine.
Is the RPM greater than 150 RPM?
Yes | No |
|---|---|
For DTCs P0335, P0336 or P0339, GO to JD2 . For DTC P1336 with no start, GO to Pinpoint Test A . For DTC P1336, GO to Pinpoint Test HD . For all others, the CKP, PCM, and harness are working correctly. RETURN to Section 3 , Symptom Charts for further direction. | GO to JD2 . |
JD2 CHECK THE CKP SENSOR AND TRIGGER WHEEL FOR OBVIOUS PHYSICAL DAMAGE
Note: A trigger wheel that is physically damaged, bent more than 1.0 mm, or has contamination present on the magnetic surfaces, may cause an intermittent CKP signal.
• Ignition OFF.
• Check the trigger wheel for contamination or debris.
• Check the CKP sensor and trigger wheel for physical damage.
Is a concern present?
Yes | No |
|---|---|
REPAIR as necessary. RESET the keep alive memory (KAM). REFER to Section 2, Resetting The Keep Alive Memory (KAM). For Edge, F-150, Fiesta 1.0L, | For Edge 2.0L, Edge 2.7L, Escape/Kuga 1.6L, Escape/Kuga 2.0L, Expedition, |
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.