Ford Escape: Passive Anti-Theft System (PATS) / Description and Operation - Passive Anti-Theft System (PATS) - Overview
Overview
The PATS deters the vehicle from theft by preventing the vehicle
from starting unless a programmed PATS key is in the ignition lock
cylinder.
PATS does not disable a vehicle that is already running.
System Operation
System Diagram
Item
Description
1
PCM
2
BCM
3
IKT
4
PATS Enable
5
PATS Transceiver
6
ABS
Network Message Chart
Module Network Input Messages - BCM
Broadcast Message
Originating Module
Message Purpose
PATS start request target d..
Other information:
System Operation
Adaptive Airflow
Some vehicles equipped with electronic throttle control (ETC) have
an adaptive airflow strategy that allows the PCM to correct for changes
in the airflow. During idle, the PCM monitors the throttle angle and
airflow. If the airflow is determined to be less than expected, the PCM
adjusts the throttle angle to compensate.
The PCM
only learns the adaptive a..
Special Tool(s) /
General Equipment
Hose Clamp Remover/Installer
Removal
Drain the cooling system.
Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding (303-03C Engine Cooling, General Procedures).
Disconnect the electrical connector.
Release the clamps and disconnect the coolant hoses.
Use the General Equipme..