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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 1427 (Anti-Theft System - Passive Anti-Theft System (Pats) (Except Hybrid)) >> Diagnosis And Testing >> Anti-Theft >> Principles of Operation >> Anti-Theft Indicator

Anti-Theft Indicator

WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Replacement of the Passive Anti-Theft System (PATS) transceiver does not require the PATS  keys to be programmed into the Instrument Panel Cluster (IPC) again.
NOTE: Make sure any aftermarket remote start systems have been removed from the vehicle before any PATS  -related no-start concerns are investigated.
NOTE: A minimum of 2 PATS  keys must be programmed into the IPC  before the vehicle starts. They do not need to be Integrated Keyhead Transmitter (IKT) keys. Either 2 IKT  keys, or 2 standard PATS  keys, or a combination of an IKT  key and a standard PATS  key is sufficient for the vehicle to start.
NOTE: If the IPC  or the PCM is being replaced (or both), the parameters must be reset in both modules or the vehicle experiences a PATS  no-start. Refer to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET .

PATS  uses a visual anti-theft indicator located in the IPC  . The indicator proves out for 3 seconds when the ignition key is in the ON or START position under normal operation. If there is a PATS  concern, this anti-theft indicator either flashes rapidly or glows steadily when the ignition key is turned to the ON or START position. PATS  also flashes the anti-theft indicator every 2 seconds when the ignition key is in the OFF position to act as a visual theft deterrent. Refer to DESCRIPTION AND OPERATION for the anti-theft indicator.

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