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.
GO to KC5 . | REPAIR the open circuit. Clear the PCM DTCs. REPEAT the self-test. |
KC5 CHECK THE FPC AND FPM CIRCUITS FOR A SHORT TO GROUND
• For DTCs P027B or U016C,
• Measure the resistance between:
( + ) Fuel Pump Control Module 2 Module Connector, Harness Side | ( - ) |
|---|---|
FPC - Pin 3 | Ground |
FPM2 - Pin 7 | Ground |
• For all others,
• Measure the resistance between:
( + ) Fuel Pump Control Module Connector, Harness Side | ( - ) |
|---|---|
FPC | Ground |
FPM | Ground |
Are the resistances greater than 10K ohms?
Yes | No |
|---|---|
GO to KC6 . | REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test. |
KC6 CHECK THE FPC AND FPM CIRCUITS FOR A SHORT TO VOLTAGE
• Ignition ON, engine OFF.
• For DTCs P027B or U016C,
• Measure the voltage between:
( + ) Fuel Pump Control Module 2 Module Connector, Harness Side | ( - ) |
|---|---|
FPC - Pin 3 | Ground |
FPM2 - Pin 7 | Ground |
• For all others,
• Measure the voltage between:
( + ) Fuel Pump Control Module Connector, Harness Side | ( - ) |
|---|---|
FPC | Ground |
FPM | Ground |
Is any voltage present?
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.