Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2007FOCUS SES, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - POWERTRAIN DTC CHARTS AND DESCRIPTIONS (EXCEPT DIESEL & HYBRID)DTC DIAGNOSISP0685 - ELECTRONIC CONTROL MODULE (ECM)/POWERTRAIN CONTROL MODULE (PCM) POWER RELAY CONTROL CIRCUIT/OPEN
2007 Ford Focus SES, 4D Sedan, Standard
P0685 - Electronic Control Module (ECM)/Powertrain Control Module (Pcm) Power Relay Control Circuit/Open
2007 Ford Focus SES, 4D Sedan, StandardSECTION P0685 - Electronic Control Module (ECM)/Powertrain Control Module (Pcm) Power Relay Control Circuit/Open
P0685 - ELECTRONIC CONTROL MODULE (ECM)/POWERTRAIN CONTROL MODULE (PCM) POWER RELAY CONTROL CIRCUIT/OPEN
| Description: | This DTC sets when the ignition switch position run (ISP-R) circuit indicates the key is in the OFF, ACC, or LOCK position, and the amount of time the PCM remains powered through the PCM power relay exceeds a predetermined amount of time. | |||
| Possible Causes: |
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| Diagnostic Aids: | Ability to communicate with the PCM when the key is in the OFF, ACC, or LOCK position indicates a hard fault. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | refer to PINPOINT TEST B . | |||
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.