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Car Forum / Chevrolet / Chevrolet Malibu / November 20052005 Malibu Radio/DIC Display Brightness Problem.....
Just purchased 2005 Malibu LT. Very happy with car and it's performance, with the exception of the radio display / Driver Information Console brightness in daylight. I have the "standard" single disc CD player, AM/FM 6 speaker stereo and the integrated Driver Information Console. Regardless of DRL/Headlight/Dashboard brightness knob settings, the clock/radio/outside temp display is just too dim to read in the daylight. Has anyone else encountered this problem? Is my situation an exception and should I seek a replacement from the dealer and hope greater brighness? Any and all ideas are appreciated! Thanks! Tim It's still under warranty take it back to the dealer. > It's still under warranty take it back to the dealer. This is the answer. It should be readable in the daylight. Get the dealer to fix it. Below is a description of the '04 Malibu DIC brightness control. Probably the same for your '05. As another poster has said the dealer is likely your best hope. Radio Data Link Communication The radio communicates with other modules via the GMLAN data bus which is a CAN based protocol. This vehicle uses 2 variants of the GMLAN data bus. The variants are a low speed and high speed vehicle bus. The radio connects to the low speed vehicle bus which runs between 12.5-40 kbps. Radio Head Unit Dimming Dimming and backlighting levels are determined by the GMLAN signal data the radio receives. The radio sets the backlight and Vacuum Fluorescent display dimming to the value indicated by the interior dimming level and interior dimming display level signals in the GMLAN dimming information frame. The radio provides faceplate and control/graphics backlighting in the OFF (RAP inactive) when the exterior lighting Virtual Network is activated. The radio display is consistent then with the surrounding devices that use analog PWM dimming to backlight their control/graphics when the power mode is OFF and the park lights are ON. > Just purchased 2005 Malibu LT. Very happy with car and it's > performance, with the exception of the radio display / Driver [quoted text clipped - 16 lines] > > Tim Yes, I know......In bright daylight it is virtually impossible to read the Console on my 2004 Malibu, but as I believe that this is not easily improved upon and the car otherwise runs just fine, I haven't bothered bringing it up when visiting the dealer for routine maintenance..... Hans in Canada > Just purchased 2005 Malibu LT. Very happy with car and it's > performance, with the exception of the radio display / Driver [quoted text clipped - 16 lines] > > Tim |
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