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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1583 (Passive Anti-Theft System (Pats) - Vehicles With: Keyless Entry And Push Button Start (Except Electric)) >> Diagnosis And Testing >> Passive Anti-Theft System (PATS) >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

Symptom Chart: Passive Anti-Theft System (PATS) 

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Condition Possible Sources Actions
The vehicle does not start with the passive key in certain areas within the vehicle but starts using the passive key backup location Refer to Pinpoint Test GO to Pinpoint Test A 
The vehicle does not start or unable to turn ignition on Refer to Pinpoint Test GO to Pinpoint Test B 
No key detected displays in the message center Refer to Pinpoint Test GO to Pinpoint Test C 
Unable to program keys Refer to Pinpoint Test GO to Pinpoint Test D 
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