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.
Original table alignment retained · Scroll horizontally if needed
JD11 CHECK FOR AN OPEN
• Ignition OFF.
• PCM connector disconnected.
• Measure the resistance between:
( + ) CKP Sensor Connector, Harness Side | ( - ) PCM Connector, Harness Side |
|---|---|
CKP | CKP |
Is the resistance less than 5 ohms?
Yes | No |
|---|---|
GO to JD12 . | REPAIR the open circuit. Clear the PCM DTCs. REPEAT the self-test. |
JD12 CHECK FOR A SHORT BETWEEN CIRCUITS
• Measure the resistance between:
( + ) CKP Sensor Connector, Harness Side | ( - ) |
|---|---|
CKP | Ground |
• Measure the resistance between:
( + ) CKP Sensor Connector, Harness Side | ( - ) CKP Sensor Connector, Harness Side |
|---|---|
CKP | VREF |
CKP | SIGRTN |
Are the resistances greater than 10K ohms?
Yes | No |
|---|---|
GO to JD13 . | REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test. |
JD13 CHECK FOR A SHORT TO VOLTAGE
• Ignition ON, engine OFF.
• Measure the voltage between:
( + ) CKP Sensor Connector, Harness Side | ( - ) |
|---|
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.