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 MANUALSFORD2010TAURUS SEL, FWDREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSANTI-THEFT SYSTEM - PERIMETERDIAGNOSIS AND TESTINGANTI-THEFTSYMPTOM CHART

2010 Ford Taurus SEL, FWD

Symptom Chart

2010 Ford Taurus SEL, FWDSECTION Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
The Smart Junction Box (SJB) does not respond to the scan tool	Fuse(s) Wiring, terminals or connectors SJB	REFER to MODULE COMMUNICATIONS NETWORK .
The Remote Function Actuator (RFA) module does not respond to the scan tool	Fuse(s) Wiring, terminals or connectors RFA module	REFER to MODULE COMMUNICATIONS NETWORK .
The Driver Door Module (DDM) does not respond to the scan tool	Fuse(s) Wiring, terminals or connectors DDM	REFER to MODULE COMMUNICATIONS NETWORK .
The alarm system does not arm/disarm using the Remote Keyless Entry (RKE) transmitter	Entry system concern	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
The alarm system does not arm/disarm using the keyless entry keypad	Entry system concern	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
When entering the vehicle using the driver door lock cylinder, the alarm does not disarm when the key is turned to the ignition ON position - vehicles with Integrated Keyhead Transmitter (IKT)	Passive Anti-Theft System (PATS) key Ignition switch concern	VERIFY the key being used is a valid PATS key. If the key is valid, REFER to STEERING COLUMN SWITCHES to diagnose the ignition switch. If the key is not valid, REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) to diagnose the invalid PATS key.
The alarm system does not arm/disarm from the driver door lock cylinder - vehicles with Intelligent Access (IA)	Wiring, terminals or connectors Driver door lock cylinder switch (part of the door latch) DDM SJB	Go To PINPOINT TEST A .
The alarm system does not activate when the hood is opened	Wiring, terminals or connectors Hood switch SJB (vehicles with IKT ) RFA module (vehicles with IA )	Go 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.