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 MANUALSFORD2007FUSION SEL, 2.3 Z, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1549 (ANTI-LOCK BRAKE SYSTEM - VEHICLE DYNAMIC SYSTEMS)DIAGNOSIS AND TESTINGANTI-LOCK CONTROL - NON-HYBRIDINSPECTION AND VERIFICATION
2007 Ford Fusion SEL, 2.3 Z, Standard
Inspection and Verification
2007 Ford Fusion SEL, 2.3 Z, StandardSECTION Inspection and Verification
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
- Verify the customer concern.
- Verify the stoplamps operate correctly by pressing and releasing the brake pedal with the ignition switch in the ON position. If the stoplamps do not operate correctly, refer to EXTERIOR LIGHTING -- FUSION, MILAN & MKZ article. If the stoplamps operate correctly, proceed to the next step.
- Visually inspect for obvious signs of mechanical or electrical damage.VISUAL INSPECTION TABLE
Mechanical Electrical - Base brake system
- Hydraulic Control Unit (HCU)
- Incorrectly inflated tires
- Mismatched wheels or tires on vehicle
- Steering wheel rotation sensor ring
- Wheel speed sensor tone ring
- ABS module
- Battery Junction Box (BJB) fuse(s):
- 8 (40A)
- 10 (30A)
- Electronic Power Assist Steering (EPAS) gear (2.5L and 3.0L only)
- Restraints Control Module (RCM)
- Smart Junction Box (SJB) fuse 42 (10A)
- Stoplamp switch
- Traction control switch
- Steering wheel rotation sensor (3.5L only)
- Vacuum sensor (2.5L and 3.0L only)
- Wheel speed sensors
- Wiring, terminals or connectors
- If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
- If the cause is not visually evident, connect the scan tool to the Data Link Connector (DLC).
- If the scan tool does not communicate with the VCM:
- check the VCM connection to the vehicle.
- check the scan tool connection to the VCM.
- refer to MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ article, No Power To The Scan Tool, to diagnose no power to the scan tool.
- If the scan tool does not communicate with the vehicle:
- verify the ignition key is in the ON position.
- verify the scan tool operation with a known good vehicle.
- refer to MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ article to diagnose no response from the PCM.
- Carry out the network test.
- If the scan tool responds with no communication for one or more modules, refer to MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ article.
- If the network test passes, retrieve and record Continuous Memory Diagnostic Trouble Codes (CMDTCs).
- Clear the CMDTCs and carry out the self-test diagnostics for the ABS module.
- If the DTCs retrieved are related to the concern, go to the ABS MODULE DTC TABLE . For all other DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES -- FUSION, MILAN & MKZ article.
NOTE:
Make sure to use the latest scan tool software release.
NOTE:
The Vehicle Communication Module (VCM) LED prove out confirms power and ground from the DLC are provided to the VCM.
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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.