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.
CKP | Ground |
Is any voltage present?
Yes | No |
|---|---|
REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test. | GO to JD14 . |
JD14 INTERMITTENT CHECK
Note: Chafed CKP or CMP wires or other physical damage to the harness may cause an intermittent short in the CKP or CMP circuit.
• Ignition OFF.
• PCM connector connected.
• Visually check for chafed CKP and CMP wires or other physical damage to the CKP or CMP harness.
Is a concern present?
Yes | No |
|---|---|
REPAIR as necessary. Clear the PCM DTCs. REPEAT the self-test. | GO to JD15 . |
JD15 CHECK FOR PID CHANGE
• Ignition ON, engine OFF.
• Access the PCM and monitor the FP (PER) PID.
• Record the FP PID value.
• Connect a 5 amp fused jumper wire between the following:
Point A CKP Sensor Connector, Harness Side | Point B CKP Sensor Connector, Harness Side |
|---|---|
CKP | SIGRTN |
• Record the FP PID value.
Does the PID value change?
Yes | No |
|---|---|
INSTALL a new CKP sensor. REFER to the Workshop Manual Section 303-14, Electronic Engine Controls. RESET the keep alive memory (KAM), REFER to Section 2, Resetting The Keep Alive Memory (KAM). For Edge, F-150, | GO to JD16 . |
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.