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Unread 01-01-2014, 05:08 PM   #1
AstateWK
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2005 WK 
 
Join Date: Dec 2013
Location: jonesboro, arkansas
Posts: 18
Brights randomly turn on

Okay so I just bought an 06 grand cherokee a week ago. And I have noticed two problems already, 1.) I have the annoying back glass pops open almost every time I start up my jeep, and 2.) my brights will randomly just turn on by themselves. I noticed a lot of people had the back glass popping issue, but never found a remedy for it, but searched around and couldn't find the reason for my brights randomly turning on. Any thoughts? Im sure its an electrical issue, but wondering what issues it may be.

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Unread 01-01-2014, 05:25 PM   #2
colinzj
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2006 WK 
 
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Location: Chandler, AZ
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Assuming you don't have the SmartBeam system (which will turn on the brights automatically when there's no traffic around and dim them when there is), it's probably the stalk. It's just a big dumb electrical switch and it does fail.

If you don't know what you have, it's pretty easy to find out:
If there's a giant box directly behind the rearview, you probably have SmartBeam.
If there are also settings for the SmartBeam system in the EVIC menu, you definitely have SmartBeam.
You can then turn it off if you do have SmartBeam and don't want to use it.
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Unread 01-01-2014, 05:36 PM   #3
AstateWK
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Quote:
Originally Posted by colinzj View Post
Assuming you don't have the SmartBeam system (which will turn on the brights automatically when there's no traffic around and dim them when there is), it's probably the stalk. It's just a big dumb electrical switch and it does fail.

If you don't know what you have, it's pretty easy to find out:
If there's a giant box directly behind the rearview, you probably have SmartBeam.
If there are also settings for the SmartBeam system in the EVIC menu, you definitely have SmartBeam.
You can then turn it off if you do have SmartBeam and don't want to use it.
Its an 06 grand cherokee limited 5.7. I'm almost certain I know what you are talking about and I think it might be on. Thank you!
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Unread 01-01-2014, 08:15 PM   #4
Jeepforthewin
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I turned my SmartBeam system off it had to much of a delay for my liking. Always felt like I was blinding on coming traffic.
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Unread 01-01-2014, 10:51 PM   #5
94jeepman
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Quote:
Originally Posted by Jeepforthewin View Post
I turned my SmartBeam system off it had to much of a delay for my liking. Always felt like I was blinding on coming traffic.
I feel the same way but I still have mine on
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Unread 01-02-2014, 10:33 AM   #6
illin
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I do wish that DC would have put some type of digital adjustment on it. I DO like it but feel as if it waits too long to kick down. I get frequently flashed when using it and never when rolling old school. For now, mine is off.
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Unread 01-02-2014, 01:48 PM   #7
DVB
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Mine are on for now, I had to turn them off the other day, I think it was a combination of the expressway lights and the winding curves, my beams were going bonkers. Hey astate, don't forget about your rainsense too, in case your wipers start acting weird. No clue about the lift gate glass. The glass pops when you start it with the key or remote start?
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Unread 01-02-2014, 02:15 PM   #8
JeepCares
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SmartBeam® automatic high beam headlamp control

from the 2006 WK service manual - this is info about SmartBeam®:

DESCRIPTION

SmartBeam® automatic high beam headlamp control is an available option on this vehicle when it is also equipped with the automatic low beam headlamps, automatic wipers and the electrochromic inside rear view mirror. SmartBeam® enhances the headlamp system of the vehicle by assisting the driver with the task of turning the headlamp high beams ON and OFF according to surrounding traffic conditions. The only visible component of SmartBeam® is the molded black plastic camera pod housing and the rectangular forward-facing clear lens (4). Because the SmartBeam® camera looks through the windshield, the system may not function properly if this area is covered with ice, dirt, haze or any other obstruction.


The camera pod is secured to an extension integral to the mounting bracket of the electrochromic inside rear view mirror (2). The top of the pod has a tray-like recess that conceals the Rain Sensor Module (RSM) (1) just below the rear view mirror mounting button on the inside of the windshield glass. The RSM has a pigtail wire that connects it to the vehicle electrical system through a dedicated take out and connector of the overhead wire harness. The pod and lens houses and protects a digital imager camera that is aimed so as to view a predetermined area in the path directly ahead of the vehicle. Also within the housing is the circuitry of the camera, the mounting screws and a set of mechanical shims that secure the pod, camera and camera circuit board to the mirror mounting bracket.

The camera shims allow mechanical adjustment of the camera aim when the camera position is skewed beyond the ability of the camera electronics to adapt. For optimal system performance, the SmartBeam® camera must be calibrated (aimed) by the dealer to insure that the camera is properly centered on the road ahead of the vehicle whenever the inside rear view mirror, the windshield glass, or the mirror mounting button are replaced or reinstalled. If the camera is not properly aimed the system performance may be diminished or altered.

The microprocessor-based electronics of SmartBeam® are integral to the circuit board contained within the electrochromic mirror. A short pigtail wire connects the camera circuit board directly to the electrochromic mirror circuit board, and a second connector receptacle (3) integral to the forward-facing housing of the electrochromic mirror connects the mirror to the vehicle electrical system through a dedicated take out and connector of the overhead wire harness.

The SmartBeam® is serviced as a unit with the electrochromic inside rear view mirror. If the SmartBeam® camera, lens, circuitry or pod is damaged or ineffective, the entire electrochromic inside rear view mirror must be replaced. The RSM is available for separate service replacement.


OPERATION
The SmartBeam® automatic highbeam control system uses digital light-sensing technology to monitor the lighting and traffic conditions in front of the vehicle. It helps improve forward visibility during nighttime driving by initiating high beam usage as ambient lighting and traffic conditions warrant. SmartBeam® communicates over the Controller Area Network (CAN) data bus with the ElectroMechanical Instrument Cluster (EMIC) (also known as the Cab Compartment Node/CCN), the Front Control Module (FCM) or the diagnostic scan tool. A demonstration mode allows the SmartBeam® system functionality to be demonstrated and may also be used to confirm that the system optics are operational.

SmartBeam® may be enabled or disabled by using the customer programmable features function of the EVIC and selecting or deselecting the AUTO LOW/HIGH BEAM feature. Then, the left multi-function switch control knob, located on the left control stalk, must be in the A (Automatic) position for SmartBeam® to be operational. An AUTO HIGHBEAM ON or AUTO HIGHBEAM OFF textual message will temporarily appear in the instrument cluster reconfigurable dot matrix display to confirm the current system status.

When the SmartBeam® system is enabled, ambient light levels are low enough to require the use of high beams, the vehicle is moving over 32 kilometers-per-hour (20 miles-per-hour) and no other traffic is present; SmartBeam® will automatically turn the high beams ON. When the system detects the headlamps of an approaching vehicle or the tail lamps of a preceding vehicle, the high beams will automatically turn OFF. If the high beams are ON while decelerating and approaching a full stop, the system will turn them OFF automatically at below approximately 24 kilometers-per-hour (15 miles-per-hour).

Depending upon the driving situation, SmartBeam® may fade the high beams ON and OFF, or switch them OFF instantaneously. In either case, the high beam indicator in the instrument cluster will illuminate as soon as the high beams start to come ON, and will remain illuminated until the high beams are completely OFF. SmartBeam® will instantaneously turn the high beams OFF if the system detects the sudden presence of vehicle lights ahead. The vehicle operator can also override the SmartBeam® selection at any time manually using the beam selection function of the left (lighting) multi-function switch control stalk to select the high or low beams, and the flash-to-pass (optical horn) feature is still functional with SmartBeam®.

SmartBeam® senses lighting conditions directly ahead of the vehicle. In certain situations, such as hills or winding roads, it may be more comfortable manually overriding the system because the vehicles in front may not be in the SmartBeam® imaging camera field of view. However, it is not likely that your high beams will cause discomforting glare to other drivers in this situation.

SmartBeam® may not function properly if its field of view is obscured. Because it looks through the windshield, the system may not function properly if this area is covered with ice, dirt, haze or any other obstruction. For optimal system performance, the lens of the imager camera must be cleaned periodically, as it may haze over due to the air quality in the vehicle passenger compartment. Spray a small amount of glass cleaner onto a soft cloth and gently clean the lens. Do not spray the glass cleaner directly onto the lens.

SmartBeam® uses a green Light Emitting Diode (LED) unit to indicate certain faults it detects in the imager camera and circuitry. A slow (once-per-second) continual flashing of this LED indicates the SmartBeam® camera requires aiming. A fast (twice-per-second) continual flashing of this LED indicates that a SmartBeam® fault has been detected and a Diagnostic Trouble Code (DTC) has been stored. The LED is located to the right of the power button on ElectroChromic (EC) inside rear view mirrors without the hands-free communication option, or to the left of the AUTO button on EC mirrors with the hands-free communication option.

The SmartBeam® circuitry within the EC mirror will store a DTC for any fault that is detected. The hard wired inputs and outputs of the EC mirror may be diagnosed using conventional diagnostic tools and procedures. Refer to the appropriate wiring information. However, conventional diagnostic methods will not prove conclusive in the diagnosis of the SmartBeam® unit, the EC mirror or the electronic controls or communication between modules and other devices that provide some features of the automatic highbeam system. The most reliable, efficient, and accurate means to diagnose the SmartBeam®, the EC mirror or the electronic controls and communication related to automatic highbeam system operation requires the use of a diagnostic scan tool.
smartbeam.jpg

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Unread 01-02-2014, 02:20 PM   #9
jbarrett
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1999 TJ Wrangler 
 
Join Date: Dec 2010
Location: Philly, PA
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I have this and I had no idea. How do I turn it on? Or is it possible to have the huge-*** mirror with sensors, etc. and not have the auto light system?
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