Anti-Theft - Passive Anti-Theft System (PATS)

Anti-Theft

Passive Anti-Theft System (PATS) Without Intelligent Access (IA)

Passive Anti-Theft System (PATS) consists of the following components:

- Anti-theft indicator
- Integrated Keyhead Transmitter (IKT)
- PATS transceiver (located next to the ignition lock cylinder)
- Instrument Panel Cluster (IPC)
- PCM

PATS protects the vehicle from theft by preventing the engine from starting unless a programmed IKT is used.

Passive Anti-Theft System (PATS) Operation

PATS prevents the engine from starting by disabling the starter relay and fuel injector operation. If an unprogrammed key is used or if there is a PATS system concern, the anti-theft indicator in the IPC flashes rapidly and the engine will not start. PATS cannot disable an already running engine.

Passive Anti-Theft System (PATS) Keys





The vehicle comes equipped from the factory with two programmed IKTs. The IKT incorporates both the PATS and Remote Keyless Entry (RKE) transmitter functions in a single device. The key programming is a two step procedure. PATS information is programmed into the IPC and then the RKE transmitter is programmed into the BCM. The IPC accepts the programming of an unlimited number of keys, and the BCM accepts the programming of up to 8 keys. Refer to Key Programming Using Diagnostic Equipment Using Diagnostic Equipment for PATS programming, and then refer to Remote Keyless Entry (RKE) Transmitter Programming in Handles, Locks, Latches and Entry Systems Transmitter to program the RKE transmitter.

Passive Anti-Theft System (PATS) With Intelligent Access (IA)

The Passive Anti-Theft System (PATS) consists of the following components:

- IA key
- Front passive start antenna (located in the front of the floor console just below the HVAC controls)
- Center passive start antenna (located on the bottom of the rear of the floor console)
- Rear passive start antenna (located behind the rear seat bottom cushion)
- PATS/backup transceiver (located in the steering column)
- Remote Functions Receiver (RFR) module (located on the top of the headliner in the front)
- Remote Function Actuator (RFA) module
- PCM

Intelligent Access (IA) Passive Anti-Theft System (PATS) Operation

The IA PATS prevents the ignition from transitioning out of the off mode unless a programmed IA key is detected inside the vehicle. If no programmed key is detected inside the vehicle when the START/STOP button is pressed, KEY NOT DETECTED is displayed in the Front Control/Display Interface Module (FCDIM). PATS cannot turn the ignition off or disable an already running engine.

Intelligent Access (IA) Keys





The vehicle is equipped with 2 IA keys. The IA key incorporates both the PATS and the RKE transmitter functions in a single device. The IA key must be located inside the vehicle for vehicle starting. During key programming procedures, the PATS and RKE transmitter of an IA key are both programmed into the RFA module. The RFA module accepts programming of up to 8 IA keys. Refer to Key Programming Using Diagnostic Equipment Using Diagnostic Equipment for key programming information.

PATS/Backup Transceiver





The PATS/backup transceiver is located in the steering column in the same location as a vehicle equipped without IA. If the vehicle does not start normally, place the IA key next to the steering column shroud and attempt to start the vehicle.

Intelligent Access (IA) with Push Button Start Ignition Modes

The IA feature does not require a conventional key to enter or start the vehicle. Once inside the vehicle, the operator activates one of the ignition modes using the brake pedal (automatic transaxle) or clutch pedal (manual transaxle) and the push button start (START/STOP) switch, as follows:

Intelligent Access (IA) with Push Button Start Ignition Modes