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 MANUALSFORD2004FREESTAR V6-4.2L VIN 2REPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGTESTING AND INSPECTIONPINPOINT TESTSTEST F
2004 Ford Freestar V6-4.2L VIN 2
Test F
2004 Ford Freestar V6-4.2L VIN 2SECTION Test F
PINPOINT TEST F: THE EATC SYSTEM IS INOPERATIVE, INTERMITTENT OR INCORRECT OPERATION
Normal Operation
NOTE: For a complete explanation of the EATC system functions, REFER to Description and Operation.
Under normal operation, the EATC module receives a ground through circuit 1203 (BK/LB). The EATC module is supplied constant battery voltage through circuit 1001 (WH/YE) and ignition switched voltage through circuit 1003 (GY/YE).
Possible Causes
- An open in circuit 1203 (BK/LB), 1001 (WH/YE) or 1003 (GY/YE).
- EATC module.
Test F1-F6:
Test F7-F13:
Test F13 Continued:
Normal Operation
NOTE: For a complete explanation of the EATC system functions, REFER to Description and Operation.
Under normal operation, the EATC module receives a ground through circuit 1203 (BK/LB). The EATC module is supplied constant battery voltage through circuit 1001 (WH/YE) and ignition switched voltage through circuit 1003 (GY/YE).
Possible Causes
- An open in circuit 1203 (BK/LB), 1001 (WH/YE) or 1003 (GY/YE).
- EATC module.
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.