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.
JD5 CHECK THE CKP HARNESS SHIELD GROUND
Note: Carry out the following resistance measurement between the CKP shield and the ground.
• Measure the resistance between:
( + ) CKP_SHLD Assembly Connector, Harness Side | ( - ) |
|---|---|
CKP_SHLD | Ground |
Is the resistance less than 5 ohms?
Yes | No |
|---|---|
GO to JD6 . | REPAIR the open circuit. CHECK for an intermittent ground connection. Clear the PCM DTCs. REPEAT the self-test. |
JD6 CHECK FOR SHORT BETWEEN CKP(+) AND CKP(-)
• Ignition OFF.
• PCM connector disconnected.
• Measure the resistance between:
( + ) CKP Sensor Connector, Harness Side | ( - ) CKP Sensor Connector, Harness Side |
|---|---|
CKP+ | CKP- |
Is the resistance greater than 10K ohms?
Yes | No |
|---|---|
GO to JD7 . | REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test. |
JD7 CHECK THE CKP CIRCUITS FOR AN OPEN
• Measure the resistance between:
( + ) CKP Sensor Connector, Harness Side | ( - ) PCM Connector, Harness Side |
|---|---|
CKP- | CKP- |
CKP+ | CKP+ |
Are the resistances less than 5 ohms?
Yes | No |
|---|
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.