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 MANUALSFORD2001FOCUS ZX3 L4-2.0L DOHC VIN 3REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSDATA LINK CONNECTORLOCATIONS
2001 Ford Focus ZX3 L4-2.0L DOHC VIN 3
Data Link Connector: Locations
2001 Ford Focus ZX3 L4-2.0L DOHC VIN 3SECTION Locations
2002 PCED On Board Diagnostics II
Scan Tool Set-up and Functionality
The scan tool must be connected to the data link connector (DLC) for communication with the vehicle.
The DLC is located in the passenger compartment. It is attached to the instrument panel and accessible from the driver's seat
The DLC is rectangular in design and capable of accommodating up to 16 terminals The connector has keying features to allow easy connection. The vehicle connector and the test equipment connector have latching features that ensure the test equipment connector will remain mated when properly connected.
The required scan tool functions are described below.
^ Monitor, record and playback of PIDs
^ Freeze frame PID data
^ Diagnostic test modes; self-test, clear diagnostic trouble codes (DTCs)
^ output Test Mode
^ Resetting keep alive memory (KAM)
^ Digital measurement system (multimeter functionality)
^ Diagnostic monitoring test results (for OBD II on-board monitors)
^ On board system readiness (OBD II monitor completion status)
Some of these functions are described in this section. Refer to the scan tool manufacturer's manual for specific information on scan tool set-up and operation.
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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.