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.
Is the resistance within specification?
Yes | No |
|---|---|
GO to DR7 . | INSTALL a new CMP sensor. REFER to the Workshop Manual Section 303-14, Electronic Engine Controls. Clear the PCM DTCs. REPEAT the self-test. |
DR7 CHECK THE CMP SENSOR CIRCUITS FOR AN OPEN
• PCM connector disconnected.
• Measure the resistance between:
( + ) CMP Sensor Connector, Harness Side | ( - ) PCM Connector, Harness Side |
|---|---|
CMP | CMP |
SIGRTN | SIGRTN |
Are the resistances less than 5 ohms?
Yes | No |
|---|---|
GO to DR8 . | REPAIR the open circuit. Clear the PCM DTCs. REPEAT the self-test. |
DR8 CHECK THE CMP CIRCUIT FOR A SHORT
• Measure the resistance between:
( + ) CMP Sensor Connector, Harness Side | ( - ) CMP Sensor Connector, Harness Side |
|---|---|
CMP | SIGRTN |
• Measure the resistance between:
( + ) CMP Sensor Connector, Harness Side | ( - ) |
|---|---|
CMP | Ground |
Are the resistances greater than 10K ohms?
Yes | No |
|---|---|
GO to DR9 . | REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test. |
DR9 CHECK THE CMP CIRCUIT FOR A SHORT TO VOLTAGE
• Ignition ON, engine OFF.
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.