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.
( + ) FTP Sensor Connector, Harness Side ( - ) PCM Connector, Harness Side
FTP | FTP |
Is the resistance less than 5 ohms?
Yes | No |
|---|---|
GO to HX21 . | REPAIR the open circuit. Clear the PCM DTCs. REPEAT the self-test. |
HX21 CHECK FOR A SHORT BETWEEN CIRCUITS
• Measure the resistance between:
( + ) FTP Sensor Connector, Harness Side | ( - ) FTP Sensor Connector, Harness Side |
|---|---|
FTP | VREF |
FTP | SIGRTN |
• Measure the resistance between:
( + ) FTP Sensor Connector, Harness Side | ( - ) |
|---|---|
FTP | Ground |
Is the resistance greater than 10K ohms?
Yes | No |
|---|---|
GO to HX22 . | REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test. |
HX22 CHECK THE FTP CIRCUIT FOR A SHORT TO VOLTAGE
• Ignition ON, engine OFF.
• Measure the voltage between:
( + ) FTP Sensor Connector, Harness Side | ( - ) |
|---|---|
FTP | Ground |
Is any voltage present?
Yes | No |
|---|---|
REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test. | GO to HX23 . |
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.