2011-2013 Jeep WK2 Grand Cherokee Exterior Lighting Overview

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Description

The exterior lighting system for the 2011-2013 Grand Cherokee contains the next exterior lamp items:

 

• Center High Mounted Stop Lamp – An ordinary tools Center High Mounted Stop Lamp (CHMSL) is centered on the liftgate spoiler simply above the flip-up glass opening on the rear of the car.
• Daytime Running Lamps – SRT automobiles have a novel high-intensity Daytime Running Lamp (DRL) mounted close to every outboard finish of the entrance fascia, beneath every entrance lamp unit. These lamps are illuminated by a number of Light Emitting Diode (LED) items. For SRT automobiles manufactured on the market in home markets, the DRL items even have a low-intensity mode that serves as accent lighting when the park lamps or head lamps are turned ON. Each DRL unit additionally has a novel, modular projector-type fog lamp and mounting bracket secured to the outboard finish of the lamp. In non-SRT automobiles the DRL parts are integral to the entrance lamp items.
• Front Fog Lamps – Non-SRT automobiles geared up with this selection have a separate fog lamp unit mounted close to every outboard finish of the entrance fascia, beneath every entrance lamp unit. For SRT automobiles, a novel, modular projector-type fog lamp and mounting bracket is secured to the outboard finish of every entrance DRL unit mounted close to every outboard finish of the entrance fascia, beneath every entrance lamp unit.
• Front Lamp Units – A halogen entrance lamp unit is normal tools on automobiles manufactured for home markets. A High Intensity Discharge (HID) entrance lamp unit is normal tools in automobiles manufactured for export markets and non-obligatory for home market automobiles. The entrance lamp items are mounted to the entrance of every entrance fender panel on both aspect of the grille opening.
• License Plate Lamps – Two normal tools rear license plate lamp items are mounted to the underside of the sunshine bar and deal with unit, simply above the license plate tub formation on the outer liftgate panel.
• Outside Mirror Signal Lamps – Vehicles geared up with this selection have a sign lamp unit integral to the decrease ahead going through floor of every outdoors rear view mirror. These sign lamps are serviced solely as a unit with the surface rear view mirror meeting.
• Rear Lamp Units – An ordinary tools two-piece rear lamp unit is mounted on all sides on the rear of the car. One piece of the rear lamp is secured to the top of every quarter panel on both aspect of the liftgate opening and the second piece is secured to every aspect of the liftgate outer panel, adjoining to the primary piece of the rear lamp when the liftgate is closed.
• Rear Fog Lamps – In sure export markets the place they’re required, two rectangular fog lamps with purple lenses and reflectors are situated within the rear bumper fascia, one simply inboard and beneath every rear lamp unit. In home market automobiles, a purple reflector is put in within the rear fascia rather than a rear fog lamp.
• Repeater Lamps – A repeater lamp is mounted to every entrance fender simply behind the entrance wheel opening on automobiles manufactured for sure export markets the place they’re required.

These exterior lighting lamp items and their controls are mixed to supply the next exterior lighting options:

 

• Automatic Headlamps – Automatic headlamps are normal tools on this car. The headlamp change contains an A (Automatic) place and an computerized headlamp sensor senses ambient gentle ranges. The computerized headlamp sensor is integral to the solar load sensor situated on the highest of the instrument panel. When the A place of the headlamp change is chosen, the headlamps are turned ON and OFF robotically as ambient gentle ranges dictate.
• Backup Lamps – In home market automobiles, the backup (or reverse) lamps embrace a transparent bulb, reflector and clear lens which might be integral to every interior and outer rear lamp unit. In export market automobiles, backup lamps are present in solely the 2 interior rear lamp items.
• Brake Lamps – The brake (or cease) lamps embrace a transparent bulb, reflector and a purple lens which might be integral to every outer rear lamp unit, and the purple lens and a number of Light-Emitting Diode (LED) items of the CHMSL.
• Daytime Running Lamps – Non-SRT automobiles manufactured on the market in Canada and geared up with halogen entrance lamp items illuminate the low beam headlamp bulb in every entrance lamp unit at a diminished depth to function the Daytime Running Lamps (DRL). United States fleet automobiles, geared up with halogen entrance lamp items illuminate the excessive beam head lamp bulb in every entrance lamp unit at a diminished depth to function DRL. Domestic market automobiles with HID entrance lamp items and DRL illuminate a devoted DRL bulb within the entrance lamp unit, whereas export market automobiles illuminate a mix DRL/place lamp bulb in every entrance lamp unit. For SRT automobiles, the a number of LED items in each entrance DRL items present the DRL function, whereas the incandescent DRL bulbs within the entrance lamp items are used just for the place lamp operate in automobiles manufactured on the market in export markets.
• Exterior Lamp Fail-Safe Operation – The ElectroMechanical Instrument Cluster (EMIC) (also called the Cab Compartment Node/CCN) and the Totally Integrated Power Module (TIPM) present a fail-safe function which can robotically flip ON the low beam headlamps and all park lamps when the ignition change is within the ON place and there’s no detected enter from the headlamp change, or when there isn’t any communication over the Controller Area Network (CAN) knowledge bus.
• Exterior Lamp Load Shedding – The TIPM offers a battery saver function which can robotically flip OFF all exterior lamps that stay ON with the ignition change within the LOCK place after a timed interval of about eight minutes.
• Front Fog Lamps – The non-obligatory entrance fog lamps embrace the bulb, reflector and lens of every adjustable entrance fog lamp unit.
• Hazard Warning Lamps – The hazard warning lamps embrace the bulbs, reflectors and lenses of every lamp in the precise and left, entrance and rear flip sign circuits.
• Headlamp Delay – The low or excessive beam headlamps stay illuminated for 90 seconds after the ignition change has been turned to the OFF place. If the car is provided with the non-obligatory Electronic Vehicle Information Center (EVIC), the delay interval is customer-programmable for 0, 30, 60 or 90 seconds.
• Headlamps – Two headlamp methods can be found on this car for home markets. The normal halogen headlamp system contains two single filament halogen bulbs in every entrance lamp unit, one low beam and one excessive beam. The non-obligatory HID headlamp system features a single HID lighting ingredient/igniter unit for low or excessive beam headlamps. An electrical motor and mechanism inner to the HID lamp unit closes a shutter for low beams and opens the shutter for prime beams. HID headlamps are normal tools for all automobiles manufactured for export markets. The HID entrance lamp items every embrace an digital ballast module, whereas an Automatic Headlamp Leveling Module (AHLM) that serves each entrance lamp items is mounted to the underside of the precise entrance lamp unit solely. Both headlamp methods additionally embrace an adjustable reflector and clear lens integral to every entrance lamp unit.
• Headlamp Leveling – On all automobiles geared up with non-obligatory HID headlamps, an Automatic Headlamp Leveling Module (AHLM) on the precise entrance lamp unit controls a headlamp leveling actuator motor on every entrance lamp unit to robotically carry out headlamp changes utilizing inputs from entrance and rear axle sensors to observe adjustments within the car suspension peak.
• Optical Horn – Also generally known as flash-to-pass, the beam choice operate of the multi-function change management stalk has a momentary intermediate place that permits the headlamp excessive beams to be flashed momentarily, with out altering the headlamp beam choice.
• Park Lamps – The entrance park lamps embrace both the amber bulbs, the reflectors and the clear lenses of the park lamp compartment in each entrance lamp items or the clear place lamp bulb throughout the headlamp compartment of each entrance lamp items. On automobiles not geared up with repeater lamp items, the entrance lamps additionally embrace the entrance aspect marker lamp bulbs and amber reflectors. On automobiles geared up with repeater lamp items, solely the amber aspect marker reflectors are retained within the entrance lamp items. The rear park lamps embrace a transparent bulb, a reflector and a purple lens integral to every interior and outer rear lamp unit in addition to the clear bulbs and lenses of the 2 license plate lamp items.
• Rear Fog Lamps – Rear fog lamps can be found solely in sure export markets the place they’re required tools. The rear fog lamps embrace a transparent bulb and a purple lens and reflector which might be integral to every rear fog lamp unit situated beneath the outer taillights within the rear fascia. On home market automobiles, solely the purple reflector is retained within the rear fascia.
• SmartBeam® Automatic Headlamps – Vehicles geared up with the non-obligatory SmartBeam® computerized headlamps embrace a novel digital light-sensing imager digicam integral to the electrochromic inside rear view mirror and programming that permits it to detect gentle ranges, their shade and their supply throughout the path forward of the car. When SmartBeam® is enabled, the excessive beam place of the headlamp dimmer change is chosen and the ambient gentle situations are acceptable, the headlamp excessive beams are turned ON and OFF robotically as wanted.
• Turn Signal Lamps – The entrance flip sign lamps embrace an amber bulb, a reflector, and a transparent lens which might be integral to every entrance lamp unit. On automobiles geared up with the non-obligatory outdoors mirror sign lamps, there are a number of amber LED items integral to every mirror sign lamp unit which might be additionally activated by the flip sign circuits for a similar aspect of the car. Depending upon market necessities, both the entrance aspect marker lamps or the repeater lamps on every entrance fender will even be included within the entrance flip sign circuits. Depending upon market necessities, the rear flip sign lamps embrace both a transparent bulb and a purple lens or an amber lens and a reflector which might be integral to every outer rear lamp unit.

Other elements of the outside lighting system for this car embrace:

 

• Automatic Headlamp Leveling Module – Vehicles geared up with HID headlamps have an AHLM situated on the underside of the precise entrance lamp unit housing. The AHLM displays the car trip peak by the entrance and rear axle sensors, then offers inputs to the headlamp leveling motor on every entrance lamp unit as acceptable.
• Axle Sensors – Vehicles geared up with HID headlamps have an axle sensor for each the entrance and the rear axles, which monitor the suspension peak of the car.
• Backup Lamp Switch – A Transmission Range Sensor (TRS) integral to the solenoid pack on the valve physique of the digital computerized transmission performs the backup lamp change operate for this car.
• Brake Lamp Switch – A plunger-type brake lamp change is situated on the steering column assist bracket beneath the instrument panel and is actuated by the brake pedal arm when the brake pedal is depressed.
• Daytime Running Lamp Relays – All non-SRT automobiles geared up with non-obligatory HID headlamps have two DRL relays situated within the Power Distribution Center (PDC).
• Electronic Ballast Module – Vehicles geared up with the HID headlamps have an digital ballast module secured to the underside of every entrance lamp unit. Each module controls the HID lighting ingredient/igniter throughout the entrance lamp unit to which it’s mounted.
• Hazard Switch – A latching push button-actuated hazard change is integral to the change pod situated slightly below the heater and air conditioner controls within the middle stack space of the instrument panel.
• Headlamp Leveling Motor – A headlamp leveling actuator motor is situated on the again of every entrance lamp unit housing of automobiles manufactured with HID headlamps.
• Headlamp Switch – A headlamp change is situated on the left aspect of the instrument panel, beneath the left instrument panel vent outboard of the steering column. The headlamp change features a rotary knob to show the park lamps and headlamps ON or OFF and is pushed inward for choosing the non-obligatory entrance fog lamps on automobiles so geared up. The headlamp change additionally contains a vertical thumbwheel for choosing the panel lamps dimming stage, a PARADE mode to light up all Vacuum Fluorescent Display (VFD) items at full brightness for visibility when driving in daylight with the outside lighting turned ON, and for inside lighting management.
• Instrument Cluster – The ElectroMechanical Instrument Cluster (EMIC) is also called the Cab Compartment Node (CCN) on this car. The EMIC/CCN is situated within the instrument panel above the steering column opening, straight in entrance of the driving force.
• Instrument Panel Switch Pod – A latching push button-actuated hazard change is integral to the instrument panel change financial institution situated slightly below the air-con and heater controls within the middle stack space of the instrument panel.
• Multi-Function Switch – The multi-function change is integral to the Steering Column Control Module (SCCM) situated on the steering column, slightly below the steering wheel. A management stalk that extends from the left aspect of the SCM is used to pick the flip sign lamps (proper or left) and to pick the headlamp beam (low, excessive or optical horn).
• Park Brake Switch – A park brake change is situated on the park brake lever mechanism on the cowl aspect interior panel (Left-Hand Drive/LHD) or the precise aspect of the ground panel transmission tunnel (Right-Hand Drive/RHD) to the left of the steering column.
• SmartBeam® Module – The SmartBeam® computerized excessive beam digital imaging digicam and system logic circuitry is integral to the electrochromic inside rear view mirror on the within of the windshield.
• Steering Control Module – The Steering Control Module (SCM) is situated inside and integral to the Steering Column Control Module (SCCM) situated on the highest of the steering column, slightly below the steering wheel.
• Totally Integrated Power Module – The Totally Integrated Power Module (TIPM) is situated within the engine compartment.
• Trailer Tow Wiring – Domestic market automobiles with a factory-installed trailer towing package deal have a trailer tow wire harness with a mix 4-way and heavy obligation 7-way trailer tow connector put in within the rear bumper fascia close to the trailer hitch receiver. This package deal additionally contains an electrical trailer brake wiring provision that terminates at a connector situated on prime of the big physique harness connection bracket beneath the instrument panel to the left of the steering column. An electrical trailer brake pigtail harness and an instruction card can be found by MOPAR® to ease set up of most aftermarket electrical trailer brake controllers.
• Trailer Tow Relays – Domestic market automobiles with a factory-installed trailer towing package deal have two trailer tow relays put in within the TIPM within the engine compartment. One relay is for the trailer proper flip and brake lamps, and the opposite is for the trailer left flip and brake lamps.

Hard wired circuitry connects the outside lighting system elements to {the electrical} system of the car. These arduous wired circuits are integral to a number of wire harnesses, that are routed all through the car and retained by many various strategies. These circuits could also be linked to one another, to the car electrical system and to the outside lighting elements by the usage of a mix of soldered splices, splice block connectors, and lots of several types of wire harness terminal connectors and insulators.

Operation

Following are paragraphs that briefly describe the operation of every of the key exterior lighting methods. The lamps and the arduous wired circuits between elements associated to the outside lighting system could also be identified utilizing standard diagnostic instruments and procedures. Refer to the suitable wiring data. The wiring data contains wiring diagrams, correct wire and connector restore procedures, particulars of wire harness routing and retention, connector pin-out data and placement views for the assorted wire harness connectors, splices and grounds.

However, standard diagnostic strategies won’t show conclusive within the analysis of the outside lighting system or the digital controls or communication between modules and different gadgets that present some options of the outside lighting system. The most dependable, environment friendly, and correct means to diagnose the outside lighting system or the digital controls and communication associated to exterior lighting system operation requires the usage of a diagnostic scan software. Refer to the suitable diagnostic data.

AUTOMATIC HEADLAMPS

The computerized headlamp system contains the headlamp change, the ElectroMechanical Instrument Cluster (EMIC) (also called the Cab Compartment Node/CCN), the Totally Integrated Power Module (TIPM), the ignition change (also called the Wireless Ignition Node/WIN), the air conditioner – heater management unit and the solar load sensor on the highest of the instrument panel.

The TIPM energizes the solar load sensor to supply an ambient gentle stage enter to the air conditioner – heater management each time the digital ignition change standing messages acquired from the WIN over the Controller Area Network (CAN) knowledge bus point out the ignition change ON place is chosen. The air conditioner – heater management responds to the solar sensor enter by sending the suitable digital gentle stage messages again to the TIPM over the CAN knowledge bus. When the A (Automatic) place is chosen with the headlamp change, the EMIC responds to this enter by sending an digital lighting request message to the TIPM over the CAN knowledge bus.

With the engine operating, the TIPM responds to those messages by robotically controlling a pulse width modulated voltage output to the chosen headlamp bulb filaments or digital ballast items by the precise and left low or excessive beam driver circuits to light up the headlamps. The TIPM additionally remembers which beams (low or excessive) had been chosen when the headlamps had been final turned OFF, and energizes these beams and lamps once more the subsequent time it turns the headlamps ON.

BACKUP LAMPS

The backup (or reverse) lamps have a path to floor always by a takeout and eyelet terminal of the physique wire harness that’s secured by a floor screw to the physique sheet metallic. The Powertrain Control Module (PCM) regularly displays a tough wired multiplex enter from the Transmission Range Sensor (TRS), then sends the correct digital transmission gear selector standing messages to different digital modules over the CAN knowledge bus. Whenever the ignition change is within the ON place and the TIPM receives an electronic mail indicating the standing of the transmission gear selector is REVERSE, it offers a battery voltage output to the backup lamps on the backup lamp feed circuit.

BRAKE LAMPS

The brake (or cease) lamps and the Center High Mounted Stop Lamp (CHMSL) every have a path to floor always by a takeout and eyelet terminal of the physique wire harness that’s secured by a floor screw to the physique sheet metallic throughout the passenger compartment. The brake lamps and CHMSL obtain battery voltage on the brake lamp change feed circuit when the brake lamp change is closed by the brake pedal arm. On home market automobiles, the TIPM displays an enter from the brake lamp change, then offers the correct outputs to the brake lamps, whereas the CHMSL is managed by a tough wired output from the brake lamp change. On export market automobiles, the CHMSL and brake lamps are linked to a tough wired output from the brake lamp change. On automobiles so geared up, the brake lamp operate of the trailer tow cease/flip relays is managed by an output from the TIPM based mostly upon the arduous wired enter from the brake lamp change.

DAYTIME RUNNING LAMPS – EXCEPT SRT

Non-SRT automobiles manufactured on the market in Canada and geared up with halogen headlamps illuminate each low beam headlamp bulbs at a diminished depth when the engine is operating, the parking brake is launched, the automated transmission gear selector isn’t within the PARK place and the outside lamps are turned OFF. Under the identical situations, automobiles manufactured for U.S. fleet gross sales and geared up with halogen headlamps illuminate each excessive beam headlamp bulbs at a diminished depth.

On non-SRT automobiles geared up with High Intensity Discharge (HID) headlamps whatever the market, the TIPM operates a devoted DRL bulb (home markets) or a mixed place/DRL bulb (export markets) by proper and left DRL relays to function the DRL. On SRT automobiles whatever the market vacation spot, a separate DRL lamp unit illuminates a number of Light Emitting Diode (LED) items at a excessive depth to function the DRL.

The TIPM have to be programmed appropriately for this function to be enabled. Once enabled, anytime the TIPM receives digital messages over the CAN knowledge bus from the Powertrain Control Module (PCM) indicating the engine is operating, from the EMIC indicating the standing of the headlamp exterior lighting enter is OFF or A (Automatic) and indicating that the parking brake is launched, it energizes the suitable bulbs or LED items. On automobiles with halogen headlamps, the TIPM offers a Pulse Width Modulated (PWM) voltage output to light up the suitable headlamp bulbs on the correct depth. On automobiles with HID headlamps, the TIPM offers a path to floor for the DRL relays to provide DRL illumination on the correct depth.

DAYTIME RUNNING LAMPS – SRT ONLY

SRT automobiles whatever the market vacation spot are geared up with devoted Daytime Running Lamps (DRL) containing a number of Light Emitting Diode (LED) items. In SRT automobiles manufactured on the market in home markets these DRL items additionally function in a low depth mode together with the park lamps and head lamps to function accent lighting. The DRL items in SRT automobiles manufactured on the market in export markets function solely at excessive depth to function the DRL, and are turned OFF when the entrance fog lamps are illuminated. The TIPM controls SRT DRL unit illumination on the correct depth for all markets.

FRONT FOG LAMPS

Vehicles geared up with non-obligatory entrance fog lamps embrace a entrance fog lamp change integral to the headlamp change on the instrument panel. The entrance fog lamps have a path to floor always by their connection to the Front End Module (FEM) wire harness. The FEM wire harness has takeouts with eyelet terminals which might be secured by floor screws to the physique sheet metallic throughout the engine compartment. The EMIC displays a tough wired multiplex enter from the headlamp change to find out whether or not the fog lamps are chosen, then sends digital fog lamp change request messages to the TIPM over the CAN knowledge bus.

When the TIPM receives a fog lamp change request message it then controls entrance fog lamp operation by offering a battery voltage output to the fog lamps by the precise and left entrance fog lamp management circuits. The TIPM additionally sends the suitable electronic mail again to the EMIC to light up or extinguish the entrance fog lamp indicator. The TIPM will robotically de-energize the entrance fog lamps any time the headlamp excessive beams are chosen.

The TIPM additionally offers a battery saver (load shedding) function for the entrance fog lamps, which can flip these lamps OFF if they’re left ON for greater than about eight minutes after the digital ignition change standing messages from the WIN transition to LOCK, if there’s a charging system failure or if {the electrical} system voltage falls beneath about 11.75 volts for greater than about 30 seconds. Each entrance fog lamp contains an integral adjustment thumbwheel for use for static aiming of the fog lamp beams.

HAZARD WARNING LAMPS

The hazard warning system contains the EMIC, the TIPM and the hazard change within the change pod situated within the middle stack space of the instrument panel, beneath the air conditioner – heater controls. The TIPM displays a tough wired enter from the hazard change by an inner pull-up to find out the standing of the hazard change.

When the TIPM receives an enter from the hazard change it controls hazard warning system operation and flash charge by controlling a battery voltage outputs by excessive aspect drivers on the precise and left flip sign feed circuits. The TIPM additionally sends the suitable digital messages again to the EMIC over the CAN knowledge bus to regulate the illumination and flash charge of the precise and left flip sign indicators, in addition to to regulate the press charge of an electromechanical relay soldered onto the EMIC digital circuit board that emulates the sound emitted by a standard hazard warning flasher. The EMIC then sends an electronic mail to the instrument panel change pod over the Local Interface Network (LIN) knowledge bus to regulate the illumination of the hazard change push button.

HEADLAMPS

The headlamp system contains the Steering Control Module (SCM), the EMIC and the TIPM, the headlamp change on the instrument panel and the multi-function change on the steering column. On automobiles with the non-obligatory High Intensity Discharge (HID) headlamps, the HID digital ballast module of every entrance lamp unit can be a part of the headlamp system. Each halogen headlamp bulb and the HID digital ballast module has a path to floor always by their connection to the FEM wire harness. The FEM wire harness has takeouts with eyelet terminals which might be secured by floor screws to the entrance finish sheet metallic throughout the engine compartment. The TIPM will retailer a Diagnostic Trouble Code (DTC) for any shorts or opens within the headlamp circuits.

The EMIC displays a tough wired multiplex enter from the headlamp change to find out the standing of the headlamp change. The SCM displays a tough wired multiplex enter to find out the standing of the multi-function change and whether or not the headlamp excessive or low beams are chosen. The SCM then sends the suitable digital headlamp beam choose change standing messages to the TIPM over the CAN knowledge bus. The EMIC then sends the suitable digital headlamp request messages to the TIPM over the CAN knowledge bus. The TIPM responds to those messages by offering a Pulse Width Modulated (PWM) voltage output to the correct halogen headlamp bulbs or a management voltage to the HID digital ballast modules by excessive aspect drivers on the precise and left high and low beam feed circuits to light up the chosen headlamp beams. The TIPM additionally sends the suitable digital messages to the EMIC to regulate the illumination of the excessive beam indicator.

On automobiles with the non-obligatory HID headlamps, the HID digital ballast module makes use of a excessive voltage Alternating Current (AC) output to activate the HID igniter integral to the lighting ingredient to supply a excessive voltage surge, which creates a lightweight arc between the lighting ingredient electrodes. Once the digital ballast module detects a suitably steady gentle arc, it switches over to a power-limiting mode to maintain the sunshine arc. Also an electrical motor drives a shutter inside every HID lamp unit and the place of the shutter controls whether or not the low beams (shutter closed) or excessive beams (shutter open) are illuminated.

When the optical horn function is chosen, the low beams will shut OFF about 200 milliseconds after the excessive beams are activated. The TIPM additionally remembers which beams (LOW or HIGH) had been chosen when the headlamps had been final turned OFF, and energizes these beams once more the subsequent time the headlamps are turned ON.

The TIPM offers a battery saver (load shedding) function for the headlamps, which can flip these lamps OFF if they’re left ON for greater than about eight minutes after the digital ignition change standing messages from the WIN transition to LOCK. The EMIC and the TIPM every present a fail-safe function for the headlamps, which can trigger the TIPM to show the low beam headlamps ON robotically if there isn’t any enter obtainable from the headlamp change. The TIPM additionally offers a fail-safe function for the headlamps that may flip the headlamps ON robotically each time a lack of CAN bus communication is detected whereas the digital ignition change standing messages from the WIN point out the ignition ON place is chosen. Each headlamp contains an integral reflector adjustment screw for use for static aiming of the headlamps.

HEADLAMP DELAY

The headlamp delay function contains the headlamp change, the EMIC, the WIN and the TIPM. This function has buyer programmable delay intervals of 0 seconds (disabled), 30 seconds, 60 seconds and 90 seconds. If the headlamp change stays within the headlamp ON place till the digital ignition change standing messages from the WIN point out the ignition OFF place is chosen, then the headlamps will stay illuminated till after the chosen delay interval has elapsed. The park lamps won’t keep ON in the course of the headlamp delay interval. The default delay interval is 90 seconds, however could be reprogrammed by the client utilizing the client programmable options operate of the Electronic Vehicle Information Center (EVIC).

HEADLAMP LEVELING

On automobiles with the HID headlamps, an computerized leveling system is used that features entrance and rear axle sensors and an Automatic Headlamp Leveling Module (AHLM) situated on the underside of the precise entrance lamp unit housing. A headlamp leveling motor situated on the again of every HID lamp unit is mechanically linked by an integral pushrod to the adjustable headlamp reflector.

The computerized headlamp leveling system robotically adjusts the headlamp beam reflectors to compensate for adjustments in car suspension peak no matter whether or not brought on by the loading of the car suspension or car pitch adjustments brought on by acceleration and deceleration. The actuator motors are robotically adjusted by the AHLM, which reads the entrance and the rear axle sensors to find out the suspension peak adjustments. The circuitry of the AHLM offers a voltage sign to the digital circuitry of each leveling actuator motors and the digital circuitry of those stepper motors responds to the voltage inputs acquired from the AHLM to maneuver the headlamp reflectors to the chosen place.

The headlamp leveling motors have a path to floor always. The computerized headlamp leveling elements function on battery present acquired solely when the outside lighting and the ignition change are turned ON.

PARK LAMPS

The park lamps system contains the EMIC, the TIPM and the headlamp change on the instrument panel. The entrance park lamp and aspect marker or place lamp bulbs every have a path to floor always by their connection to the FEM wire harness. The FEM wire harness has takeouts with eyelet terminals which might be secured by floor screws to the entrance finish sheet metallic throughout the engine compartment. The rear park lamp, aspect marker lamp and license plate lamp bulbs have a path to floor always by a takeout and eyelet terminal of the physique wire harness that’s secured by a floor screw to the physique sheet metallic throughout the passenger compartment.

The EMIC displays a tough wired multiplex enter from the headlamp change, then sends the suitable digital headlamp change standing messages to the TIPM over the CAN knowledge bus. The TIPM responds to those messages by offering a battery voltage output to the suitable lamp bulbs by excessive aspect drivers on the entrance and rear, proper and left park lamp feed circuits.

For home market automobiles, the TIPM offers a battery saver (load shedding) function for the park lamps, which can flip these lamps OFF if they’re left ON for greater than about eight minutes after the digital ignition change standing messages from the WIN point out the ignition LOCK place is chosen. The EMIC offers a failsafe function for the park lamps, which can ship an electronic mail to the TIPM to show these lamps ON robotically if it detects no enter from the headlamp change. The TIPM additionally offers a fail-safe function for the park lamps that may flip the headlamps and park lamps ON robotically each time a lack of CAN bus communication is detected when the digital ignition change standing messages from the WIN point out the ignition ON place is chosen.

REAR FOG LAMPS

Rear fog lamps are put in on automobiles manufactured for all export markets. The rear fog lamp system contains the headlamp change, the EMIC and the TIPM. The rear fog lamps have a path to floor always by their connection to the rear fascia wire harness.

The EMIC displays a tough wired multiplex enter from the headlamp change to find out whether or not the rear fog lamps are chosen, then sends digital rear fog lamp change standing messages to the TIPM over the CAN knowledge bus. The TIPM responds to this message by offering a voltage output to the rear fog lamps. The TIPM additionally sends the suitable digital messages to the EMIC to light up or extinguish the rear fog lamp indicator.

The TIPM will robotically de-energize the rear fog lamps any time the entrance fog lamps are deselected or when the automated headlamps function turns the headlamps OFF. However, the rear fog lamps should at all times be turned ON manually, even after they’ve been turned OFF robotically. The TIPM additionally offers a battery saver (load shedding) function for the rear fog lamps, which can flip these lamps OFF if they’re left ON for greater than about eight minutes after the digital ignition change standing messages from the WIN point out the ignition LOCK place is chosen.

SMARTBEAM® SYSTEM

The non-obligatory SmartBeam® (auto excessive beam) system contains the SmartBeam® module with digital imager digicam and digital circuitry integral to the electrochromic inside rear view mirror, the SCM, the TIPM, the EMIC, the EVIC, the headlamp change and the multi-function change. First, the Auto High Beams possibility have to be enabled utilizing the client programmable options operate of the EVIC. Then the A (Automatic) place have to be chosen utilizing the rotary knob of the headlamp change, the headlamp beam selector change have to be within the excessive beam place and the suitable ambient gentle situations have to be current. Finally, the car velocity have to be better than 32 kilometers-per-hour (20 miles-per-hour).

Once all of those stipulations have been met, the SmartBeam® digicam and its circuitry throughout the electrochromic mirror robotically sends the suitable digital headlamp beam choose change standing messages to the TIPM over the CAN knowledge bus. The TIPM then responds to those messages by offering a pulse width modulated voltage output to the correct headlamp bulbs or the headlamp ballasts by the precise and left high and low beam feed circuits to light up the headlamps. The TIPM additionally sends the suitable digital messages again to the EMIC to regulate the illumination of the excessive beam indicator.

The SCM continues to observe the multi-function change, and can ship the suitable digital messages to the EMIC, which relays these messages to the SmartBeam® circuitry within the inside rear view mirror and to the TIPM to manually invoke the beam choose change momentary optical horn (flash-to-pass) function or, when a detent change place is chosen to override SmartBeam® operation.

TRAILER TOW WIRING

In addition to the trailer tow wiring provisions, home market automobiles geared up with an non-obligatory trailer tow package deal embrace proper and left trailer tow cease/flip relays put in within the TIPM. When the TIPM receives the suitable inputs for regular flip sign, hazard warning or brake lamp operation, it responds by additionally energizing or de-energizing these trailer tow relays. When a trailer tow relay is energized, it offers battery voltage from a fused B(+) fuse to the trailer lamps by the trailer tow wiring to synchronize the illumination and flash charge of the trailer brake and switch sign lamps with these of the tow car.

TURN SIGNAL LAMPS

The flip sign lamps system contains the SCM, the EMIC, the TIPM and the multi-function change on the steering column. The entrance flip sign lamp bulbs every have a path to floor always by their connection to the Front End Module (FEM) wire harness. The FEM wire harness has takeouts with eyelet terminals which might be secured by floor screws to the physique sheet metallic throughout the engine compartment. The rear flip sign lamp bulbs have a path to floor always by a takeout and eyelet terminal of the physique wire harness that’s secured by a floor screw to the physique sheet metallic throughout the passenger compartment. On automobiles with the non-obligatory outdoors rear view mirror lamp modules, the lamp modules obtain a path to floor from their respective driver or passenger door module.

The SCM displays a tough wired multiplex enter from the multi-function change to find out the standing of the flip sign change, then sends the suitable digital flip sign change standing messages to the TIPM over the CAN knowledge bus. The TIPM responds to those messages by controlling a battery voltage output and the flash charge for both the precise or left flip sign lamps. The TIPM additionally sends the suitable digital messages again to the EMIC to regulate the illumination and flash charge of the precise or left flip sign indicators, in addition to to regulate the press charge of an electromechanical relay soldered onto the EMIC digital circuit board that emulates the sound emitted by a standard flip sign flasher. On automobiles with the non-obligatory outdoors rear view mirror lamp modules, the TIPM additionally sends the suitable digital messages over the CAN bus to the driving force and passenger door modules to regulate the illumination and flash charge of these lamps.

The EMIC additionally offers a flip sign ON warning that may generate repetitive chimes to point {that a} flip sign has been lively constantly for 1.6 kilometers (1 mile) with the car velocity better than 22 kilometersper- hour (15 miles-per hour). Vehicles constructed for markets apart from the United States and Canada have a revised distance threshold of 4 kilometers (2.49 miles) for this function. The chime will proceed till the flip sign enter turns into inactive or till the car velocity message signifies that the velocity is lower than 22 kilometers-per-hour (15 miles-per-hour), whichever happens first.