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.
VREF - Pin 3 | SIGRTN - Pin 1 |
Is the voltage between 4.5 - 5.5 V?
Yes | No |
|---|---|
GO to TA11 . | GO to Pinpoint Test C . |
TA11 CHECK THE CPP CIRCUIT FOR AN OPEN
• Ignition OFF.
• PCM connector disconnected.
• Measure the resistance between:
( + ) CPP Sensor Connector, Harness Side | ( - ) PCM Connector, Harness Side |
|---|---|
CPP - Pin 2 | CPP |
Is the resistance less than 5 ohms?
Yes | No |
|---|---|
GO to TA12 . | REPAIR the open circuit. Clear the PCM DTCs. REPEAT the self-test. |
TA12 CHECK THE CPP CIRCUIT FOR A SHORT TO GROUND
• Measure the resistance between:
( + ) CPP Sensor Connector, Harness Side | ( - ) |
|---|---|
CPP - Pin 2 | Ground |
Is the resistance greater than 10K ohms?
Yes | No |
|---|---|
GO to TA13 . | REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test. |
TA13 CHECK THE CPP SENSOR CIRCUITS FOR A SHORT
• Measure the resistance between:
( + ) CPP Sensor Connector, Harness Side | ( - ) CPP Sensor Connector, Harness Side |
|---|---|
CPP - Pin 2 | VREF - Pin 3 |
CPP - Pin 2 | SIGRTN - Pin 1 |
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.