Doors, Hood and Trunk: Description and Operation
Handles, Locks, Latches and Entry Systems
NOTE: The Smart Junction Box (SJB) is also known as the Generic Electronic Module (GEM).
Hood Latch
The hood latch components consist of the following:
- Hood latch release handle and cable
- Hood latch
Front Doors
The front door components consist of the following:
- Door ajar switch (part of the front door latch)
- Door lock control switch
- Door lock cylinder (driver door only)
- Exterior front door handle bezel
- Exterior front door handle reinforcement
- Exterior front door handle strap
- Front door latch
- Front door lock actuator (part of the front door latch)
- Interior front door handle actuating cable
- Interior front door handle
- Keyless entry keypad (if equipped)
Rear Doors
The rear door components consist of the following:
- Door ajar switch (part of the rear door latch)
- Exterior rear door handle bezel
- Exterior rear door handle reinforcement
- Exterior rear door handle strap
- Interior rear door handle actuating cable
- Interior rear door handle
- Rear door latch
- Rear door lock actuator (part of the rear door latch)
Manual Liftgate
The manual liftgate consists of the following components:
- Liftgate ajar switch (part of the liftgate latch)
- Liftgate release switch (located on the exterior of the liftgate)
- Liftgate latch
Power Liftgate
The power liftgate consists of the following components:
- Liftgate ajar switch (part of the liftgate latch)
- Liftgate release switch (located on the exterior of the liftgate)
- Liftgate latch
Power Lock/Unlock
The power lock/unlock feature requests all of the vehicle doors locked or unlocked upon a customer request from either door lock control switch in the vehicle. The power door locking system functions independently of ignition status or vehicle speed.
Autolock
The autolock feature will lock all the doors when:
- all the doors are closed,
- the ignition is in the RUN position,
- the vehicle is shifted into any gear putting the vehicle in motion, and
- the vehicle attains a speed greater than 20 km/h (12 mph).
The autolock feature repeats when:
- any door is opened then closed while the ignition is in the RUN position and the vehicle speed is 15 km/h (9 mph) or lower, and
- the vehicle attains a speed greater than 20 km/h (12 mph).
The autolock feature can be enabled/disabled. Refer to Autolock and Auto-Unlock Programming Autolock and Auto-Unlock Programming for programming information.
Auto-Unlock
NOTE: The doors will not auto-unlock if the vehicle has been electronically locked before the driver door is opened while the ignition is in the OFF or ACC position.
The auto-unlock feature will unlock all the doors when:
- the ignition is in the RUN position, all the doors are closed and the vehicle has been in motion at a speed greater than 20 km/h (12 mph),
- the vehicle has come to a stop and the ignition is turned to the OFF or ACC position, and
- the driver door is opened within 10 minutes of the ignition being transitioned to the OFF or ACC position.
The auto-unlock feature can be enabled/disabled. Refer to Autolock and Auto-Unlock Programming Autolock and Auto-Unlock Programming for programming information.
Smart Unlock
The smart unlock feature prevents the doors from locking with the key in the ignition lock cylinder. When the SJB receives a lock command from a door lock control switch only, and the key is in the ignition lock cylinder with one of the front doors open, the SJB commands the doors to lock, then unlock.
The vehicle can still be locked by locking the doors with the push button rods, the door lock cylinder or an RKE command from an integrated key or the keyless entry keypad.
Remote Keyless Entry (RKE)
The Remote Keyless Entry (RKE) system uses an Integrated Keyhead Transmitter (IKT). The IKT incorporates both the Passive Anti-Theft System (PATS) functions and the RKE transmitter functions in a single device.
The RKE transmitter is programmed automatically during PATS programming. During PATS programming, the Instrument Cluster (IC) obtains the Transmitter Identification Code (TIC) from the IKT and sends the TIC data over the Medium Speed Controller Area Network (MS-CAN) to the SJB.
The SJB accepts programming of up to 4 IKTs. In addition to the IKTs, 4 conventional keyfobs can also be programmed to the vehicle if requested by the customer. For information on programming the IKTs, refer to Key Programming Using Two Programmed Keys or Integrated Keyhead Transmitter (IKT) Key Programming Using Diagnostic Equipment in Antitheft and Alarm Systems. For information on programming the conventional keyfobs, refer to Remote Keyless Entry (RKE) Transmitter Programming Transmitter.
With Power Liftgate
Without Power Liftgate
The IKT initiates the following electronic system functions:
- Unlocks the driver door
- Unlocks all doors
- Locks all doors
- Opens the power liftgate (if equipped)
- Arms/disarms the perimeter alarm (if equipped)
- Activates/deactivates the panic alarm
- Commands the interior lamps on (when unlocking) and off (when locking)
- Recalls the memory seat position associated with a particular remote entry device (when enabled)
- Sounds the horn once when LOCK is pressed twice within 3 seconds, and the doors are closed
- Sounds the horn twice when LOCK is pressed twice within 3 seconds, and any door is ajar
The IKT has a normal operating range of 20 m (66 ft).
Remote Keyless Entry (RKE) Lock/Unlock Control - Unlock
The RKE feature provides lock/unlock functions independently of key position, vehicle speed, or transmission position. The RKE feature provides a stepped (if enabled) process for unlocking the doors. Upon receipt of the first request for unlocking the doors, the RKE control feature requests the SJB to unlock the driver door only. If another unlock request is received within 3 seconds of the first, the RKE feature requests the SJB to unlock all the doors. This feature can be disabled, so that all the doors unlock on the first press of the unlock button. Refer to Stepped Unlock Programming Stepped Unlock Programming for programming information.
Remote Keyless Entry (RKE) Lock/Unlock Control - Lock
The RKE feature requests that all the doors be locked when the LOCK button is pressed. On any press of the LOCK button with all doors closed, the SJB provides one flash of the turn signals. If any door is ajar, no flash occurs. As soon as the last door is closed, the SJB provides the flash of the turn signals. If 2 presses of the LOCK button are received within 3 seconds, the horn chirps once and the turn signals flash twice to indicate that all the doors are closed and locked. If any door is ajar when the second lock request is received within 3 seconds of the first, the RKE transmitter feature requests the SJB chirp the horn twice without flashing the turn signals to indicate it locked all the doors but one or more doors are ajar. When the key is in the ON or START position, the turn signal flashes and horn chirp confirmations do not occur.
Remote Keyless Entry (RKE) Power Liftgate
The RKE feature provides a power liftgate open/close function independently of key position. The power liftgate button must be pressed twice within 3 seconds for the power liftgate to open or close.
Panic Alarm
The panic alarm feature provides audible and visual alarms which are evident from the exterior of the vehicle. The panic alarm feature requests that the turn signals are flashed and the horn sounds until deactivation. The flashing of the outputs occurs simultaneously. Activation of the panic alarm is accomplished by pressing the panic button on an Integrated Keyhead Transmitter (IKT) whenever the key is in the OFF position. At all other times this feature is disabled. Deactivation of an active panic alarm is accomplished by any of the following actions:
- a second press of the IKT panic button
- the key is switched out of the OFF position
- a period of 2 minutes and 45 seconds has elapsed since the initial activation
Keyless Entry Keypad
The keyless entry keypad carries out the following functions:
- Unlocks the driver door
- Unlocks all the doors
- Locks all doors
- Enables/disables auto-unlocking
- Enables/disables autolocking
- Arms/disarms the perimeter alarm (if equipped)
- Recalls the memory seat position associated with a particular customer key code (when enabled)
- Programs/erases the customer key code
- Illuminates the keyless entry keypad lamp and issues illuminated entry on/off requests
The keypad feature operates independently of key position status, vehicle speed, or transmission position. When a keypad button is pressed, the keypad buttons illuminate to provide better visibility. If the lock all doors command is entered or 5 seconds have elapsed since the last button press, the illumination is turned off.
Each vehicle equipped with a keypad is programmed with a 5-digit entry code. This code is provided to the customer through a wallet card in the Owner's Literature. In addition, this code is available through a scan tool and is also printed on the SJB label. When entering codes each digit must be entered within 5 seconds of the previous button press.
Locking the Doors with the Keyless Entry Keypad System
It is not necessary to enter the factory set or personal code prior to locking all doors. To lock all doors, press the 7/8 and 9/0 controls at the same time.
Unlocking the Doors with the Keyless Entry Keypad System
To unlock the driver door, enter either the factory set code or a personal code; each digit must be pressed within 5 seconds of the prior digit. The interior lamps illuminate.
To unlock all doors, enter either the factory set code or a personal code (driver door unlocks) and press the 3/4 button within 5 seconds. This feature can be changed to 1-step unlock, so that all the doors unlock on receipt of the factory set or personal code. Refer to Stepped Unlock Programming Stepped Unlock Programming for programming information.
Anti-Scan Feature
To provide added security, the keypad is disabled for 1 minute after 35 button presses without a valid entry code being entered. The keypad flashes during this 1-minute mode with all functionality disabled except for 7/8 and 9/0 still being allowed to lock the vehicle.
Anti-scan is turned off after 1 minute of keypad inactivity, the UNLOCK button is pressed on an IKT, or the ignition is switched to the RUN position.
Perimeter Lighting Feature
Vehicles equipped with perimeter lighting can have this feature activated or deactivated. Refer to Perimeter Lighting Feature Programming Perimeter Lighting Feature Programming for programming information.
NOTE: On vehicles with autolamps, the perimeter lighting feature does not activate in daylight conditions.
The headlamps, park lamps, and tail lamps illuminate when the unlock control on the IKT is pressed. The lamps turn off if:
- The ignition switch is turned to the RUN position
- The IKT lock control is pressed
- The vehicle is locked using the keyless entry keypad (if equipped)
- After 25 seconds have elapsed since the perimeter lighting was activated