Power Locks - Description

DESCRIPTION

A power operated door and liftgate lock system is standard factory-installed equipment on this vehicle. The power lock system allows all of the doors and the liftgate to be locked or unlocked electrically. Locking or unlocking the vehicle using the power lock system can be accomplished by up to three different methods:

- Power Lock System - Operating a power lock system switch on either front door inside trim panel will lock or unlock the latches of all four doors and the liftgate.
- Remote Keyless Entry System - Depressing the Lock or Unlock button of the standard equipment Remote Keyless Entry (RKE) system transmitter (also known as the FOB with Integrated Key/FOBIK) can also be used to lock or unlock the latches of the doors and the liftgate. The specific locks operated and the number of FOBIK button presses required varies depending upon the Customer Programmable settings chosen by the vehicle operator.
- Passive Entry System - On vehicles equipped with the optional Passive Entry (PE) system, contacting the tactile Unlock switch on the inside of either exterior front door Smart handle grip or depressing the tactile Lock button of either front door Smart handle while a valid FOBIK is identified in that same zone can be used to lock or unlock the door and liftgate latches. Also depressing the tactile Lock/Unlock button on the liftgate light bar/handle unit while a valid FOBIK is identified in that same zone can be used to lock or unlock the door and liftgate latches. The specific locks operated varies depending upon the Customer Programmable settings chosen by the vehicle operator.

Additional details of each of these subsystems and their components can be found in the subheadings and paragraphs that follow.

POWER LOCK SYSTEM

The power lock system includes the following major components, which are described in further detail elsewhere in this service information:

- Body Control Module - The Body Control Module (BCM) (also known as the Common Body Controller/CBC) is located beneath the instrument panel on the passenger side of the vehicle. Description and Operation.
- Door Modules - The Driver Door Module (DDM) and Passenger Door Module (PDM) are located on their respective driver and passenger front door hardware module carriers and are concealed behind the front door inside trim panels. Door Module - Description.
- Electronic Vehicle Information Center - The Electronic Vehicle Information Center (EVIC) includes the EVIC switches and the U-Connect Touch(TM) screen module in the Integrated Center Stack (ICS) located in the center stack area of the instrument panel. Electronic Vehicle Information Center - Description.
- Power Lock Motors - A reversible electric power lock motor is integral to the latch of each front and rear door and the liftgate.
- Power Lock Switches - A power lock switch is integral to the switch module located on the forward end of the arm rest of each front door inside trim panel.

These components and their controls are combined to provide the following power lock system central locking and unlocking features:

- Automatic Door Locking - Automatic door locking (also known as rolling door locks) automatically locks any unlocked door when the vehicle speed exceeds about 25.7 kilometers per hour (15 miles per hour). This is a Customer Programmable feature except in vehicles manufactured for certain export markets. For vehicles manufactured for sale in markets where a signed authorization is required for enabling this feature, it can only be enabled and disabled by the dealer.
- Automatic Door Unlocking - Automatic door unlocking (also known as automatic unlock doors on exit) automatically unlocks the doors after they were automatically locked when the vehicle speed exceeded about 25.7 kilometers per hour (15 miles per hour), the vehicle speed has returned to zero, the transmission shift lever is in the Neutral or Park positions and the driver side front door is opened. This is a Customer Programmable feature except in vehicles manufactured for certain export markets. For vehicles manufactured for sale in markets where a signed authorization is required for enabling this feature, it can only be enabled and disabled by the dealer.
- Customer Programmable Features - The vehicle operator interfaces with the BCM, which is the power lock system controller, using the EVIC. EVIC switches allow the vehicle operator to set or change the power lock system Customer Programmable Features through the U-Connect Touch(TM) screen module EVIC display, except for some features in vehicles manufactured for certain export markets where these settings can only be changed by the dealer.
- Door Lock Inhibit - Prevents locking the doors using a power door lock switch or the Lock button of the Remote Keyless Entry (RKE) system transmitter (also known as the FOB with Integrated Key/FOBIK) if the key is in the ignition and the driver side front door is open.
- Enhanced Accident Response System - In the event of a vehicle impact that causes airbag deployment but leaves vehicle electrical power intact, the Enhanced Accident Response System (EARS) automatically turns OFF the supply of fuel to the engine, turns ON the interior courtesy lamps, turns ON the hazard warning flashers and unlocks the doors after the vehicle speed has returned to zero. This helps emergency responders in their efforts to render the appropriate assistance. The courtesy lamps and hazard flashers remain ON as long as the battery has power or until the key is removed from the ignition.
- Illuminated Entry - Automatic illumination of the interior courtesy lamps when the vehicle is unlocked using the power lock system.

Hard wired circuitry connects the power lock system components to the electrical system of the vehicle. These hard wired circuits are integral to several wire harnesses, which are routed throughout the vehicle and retained by many different methods. These circuits may be connected to each other, to the vehicle electrical system and to the power lock system components through the use of a combination of soldered splices, splice block connectors, and many different types of wire harness terminal connectors and insulators. Refer to the appropriate wiring information. The wiring information includes wiring diagrams, proper wire and connector repair procedures, further details on wire harness routing and retention, as well as pin-out and location views for the various wire harness connectors, splices and grounds.

REMOTE KEYLESS ENTRY SYSTEM

The Remote Keyless Entry (RKE) system is standard factory-installed equipment on this vehicle. The RKE system includes the following major components, which are described in further detail elsewhere in this service information:

- Electronic Vehicle Information Center - The Electronic Vehicle Information Center (EVIC) includes the EVIC switches and the U-Connect Touch(TM) screen module in the Integrated Center Stack (ICS) located in the center stack area of the instrument panel. Electronic Vehicle Information Center - Description.
- Radio Frequency Hub - The Radio Frequency Hub (also known as the RF Hub) is the RKE system control module and RF receiver located on the upper liftgate opening header inner reinforcement. Radio Frequency Module (RF Hub) - Description.
- Remote Keyless Entry System Transmitter - The RKE system transmitter (also known as the FOB with Integrated Key/FOBIK) is the battery powered, wireless and portable Radio Frequency (RF) user controller for all of the features of the RKE system.

These components and their controls are combined to provide the following RKE system features:

- Customer Programmable Features - The vehicle operator interfaces with the RF Hub, which is the RKE system controller, using the EVIC. EVIC switches allow the vehicle operator to set or change the RKE system Customer Programmable Features through the U-Connect Touch(TM) screen module EVIC display.
- Flash Lights With Lock And Unlock? - This is a Customer Programmable feature of the RKE system. The first option has the park lamps flash as an optical verification that the RKE system has received a valid Lock or Unlock request from the FOBIK. The second option disables the optical verification feature.
- Panic Feature - In certain markets the FOBIK may also be equipped with a red Panic button. Depressing the Panic button of the FOBIK while within transmitter range will sound the vehicle signal horn and flash the exterior lighting of the vehicle for about three minutes or until the Panic button is depressed a second time, whichever occurs first. Attaining a vehicle speed of about 25.7 kilometers per hour (15 miles per hour) will also cancel the panic event.
- Programming Additional Transmitters - Two RKE transmitters are shipped with the vehicle from the factory, but the RKE system can retain the vehicle access codes of up to a total of eight transmitters. The transmitter codes are retained in the RKE system controller memory, even if the battery is disconnected. If a FOBIK is ineffective, lost or an additional FOBIK is desired, new transmitter vehicle access codes can be programmed into the system using a diagnostic scan tool.
- Remote Liftgate Unlocking - Depressing the Liftgate button of the FOBIK once while within transmitter range will unlock the liftgate of the vehicle.
- Remote Locking - Depressing the Lock button of the FOBIK while within transmitter range will lock all of the vehicle doors and the liftgate.
- Remote Engine Start - On vehicles equipped with the optional Remote Starting System, depressing the Remote Start button of the FOBIK twice while within transmitter range will start the engine of the vehicle.
- Remote Unlocking - Depressing the Unlock button of the FOBIK while within transmitter range will unlock the vehicle and activate the Illuminated Entry System. The specific locks operated and the number of FOBIK button presses required varies depending upon the Customer Programmable settings chosen by the vehicle operator.
- Remote Unlock Sequence - This is a Customer Programmable feature of the RKE system. There are two options available. The first option allows only the driver side front door to unlock when the FOBIK Unlock button is depressed one time, and the remaining doors unlock when the button is depressed a second time within 5 seconds of the first press. The second option allows all doors and the liftgate to unlock upon a single press of the FOBIK Unlock button.
- Sound Horn On Lock? - This is a Customer Programmable feature of the RKE system. There are two options available. The first option has the signal horn of the vehicle sound a short chirp as an audible verification that the RKE system received a valid Lock request from the FOBIK. The second option disables the audible verification feature.
- Vehicle Theft Security System Arming - If the vehicle is equipped with the optional Vehicle Theft Security System (VTSS), depressing the Lock button of the FOBIK while within transmitter range will arm the VTSS in addition to activating the remote locking feature.Vehicle Theft Security System - Description.
- Vehicle Theft Security System Disarming - If the vehicle is equipped with the optional Vehicle Theft Security System (VTSS), depressing the Unlock button of the FOBIK while within transmitter range will disarm the VTSS in addition to activating the remote unlocking feature.Vehicle Theft Security System - Description.

Hard wired circuitry connects many of the RKE system components to the electrical system of the vehicle. These hard wired circuits are integral to several wire harnesses, which are routed throughout the vehicle and retained by many different methods. These circuits may be connected to each other, to the vehicle electrical system and to the RKE system components through the use of a combination of soldered splices, splice block connectors, and many different types of wire harness terminal connectors and insulators. Refer to the appropriate wiring information. The wiring information includes wiring diagrams, proper wire and connector repair procedures, further details on wire harness routing and retention, as well as pin-out and location views for the various wire harness connectors, splices and grounds.

PASSIVE ENTRY SYSTEM

An optional Passive Entry (PE) system is available factory-installed equipment for this vehicle. The PE system allows the vehicle to be unlocked without the use of a key, as long as an authorized FOB with Integrated Key (FOBIK) is in the possession of, or in close proximity to the individual and the aperture of the vehicle that is to be unlocked. All other features and Customer Programmable feature settings of the power lock system and the Remote Keyless Entry (RKE) system function the same as they would on vehicles without the PE system option.

The PE system includes the following major components, which are described in further detail elsewhere in this service information:

- Door Handle Switches - Each PE front door outside handle (also known as a Smart handle) is equipped with three switches and an Integrated Circuit (IC). A tactile Lock switch is located on the outer vertical surface of each front door handle grip, a capacitive Unlock switch membrane is located on the inner vertical surface of the handle grip, while a Hall effect switch and an IC are concealed within the handle grip.
- Liftgate Lock And Unlock Switch - A tactile liftgate Lock and Unlock switch is located to the left of center on the lower horizontal surface of the liftgate light bar and handle unit on vehicles equipped with the optional PE system. Only the oval resilient black membrane of the switch push button is visible on the outside of the light bar and handle unit.
- Low Frequency Antennas - The PE system includes four Low Frequency (LF) antennas, one mounted on the instrument panel support structure below the air conditioning and heater control, one on each rear door hardware module carrier concealed behind the inside trim panel and one at the rearward edge of the cargo area frame beneath the cargo load floor panel at the rear of the vehicle.
- Radio Frequency Hub - The Radio Frequency Hub (also known as the RF Hub) is the Passive Entry Keyless Go (PEKG) system control module and RF receiver located on the upper liftgate opening header inner reinforcement. Radio Frequency Module (RF Hub) - Description.

Hard wired circuitry connects many of the PE system components to the electrical system of the vehicle. These hard wired circuits are integral to several wire harnesses, which are routed throughout the vehicle and retained by many different methods. These circuits may be connected to each other, to the vehicle electrical system and to the PE system components through the use of a combination of soldered splices, splice block connectors, and many different types of wire harness terminal connectors and insulators. Refer to the appropriate wiring information. The wiring information includes wiring diagrams, proper wire and connector repair procedures, further details on wire harness routing and retention, as well as pin-out and location views for the various wire harness connectors, splices and grounds.