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.
( + ) Crankcase Pressure Sensor Connector, Harness ( - ) PCM Connector, Harness
Side Side
CKCP - Pin 1 | CKCP - Pin B72 |
Is the resistance less than 5 ohms?
Yes | No |
|---|---|
GO to HG8 . | REPAIR the open circuit. Clear the PCM DTCs. REPEAT the self-test. |
HG8 CHECK FOR A SHORT TO GROUND
• Ignition OFF.
• Measure the resistance between:
( + ) Crankcase Pressure Sensor Connector, Harness Side | ( - ) |
|---|---|
CKCP - Pin 1 | Ground |
Is the resistance greater than 10K ohms?
Yes | No |
|---|---|
GO to HG9 . | REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test. |
HG9 CHECK FOR A SHORT TO VOLTAGE
• Ignition ON, engine OFF.
• Measure the voltage between:
( + ) Crankcase Pressure Sensor Connector, Harness Side | ( - ) |
|---|---|
CKCP - Pin 1 | Ground |
Is any voltage present?
Yes | No |
|---|---|
REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test. | INSTALL a new Crankcase Pressure sensor. Clear the PCM DTCs. REPEAT the self-test. |
HG10 CHECK FOR INTERMITTENT CONCERNS
• Ignition ON, engine OFF.
• Crankcase Pressure Sensor connector connected.
• PCM connector connected.
• Access the PCM and monitor the CRNKCAS_P_V (VOLT) PID.
• Lightly tap on the crankcase pressure sensor and wiggle the harness connector to simulate road shock.
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.