Question about 2000 Chevrolet Cavalier
Posted by Anonymous on
All these functions are controlled by the BCM - body computer ! The door ajar switch is an input to the BCM . Your problem could very well be a door switch , does the light work when you open other doors ? possibly BCM problem !
Interior, Courtesy Lamps Circuit Description
The MIRROR (Pontiac) or RDO/INT (Chevrolet) fuse in the IP junction block supplies battery positive voltage to the body control module (BCM). The inadvertent power control circuit of the BCM supplies battery positive voltage to the IP junction block. The IP junction block supplies battery positive voltage to the left and right hand courtesy lamps and the dome lamp. When any door is opened, the door jam switch contacts close and the door open input to the BCM is grounded. The BCM provides a pulse width modulated ground to the left and right hand courtesy lamps and the dome lamp for the theater dimming feature.
The IP junction block also supplies battery positive voltage to each reading lamp and the rear compartment (trunk) lamp. When their switches are closed to provide ground, the lamps will illuminate.
The dome lamp switch has three positions, DOOR, OFF and ON. When in the DOOR position, the dome lamp operation is controlled by the BCM. The ON position provides a ground for continuous operation. The OFF position turns off any dome lamp operation.
If the driver inadvertently leaves any interior lamp on, the BCM will turn it off in 18-22 minutes.
All chimes are activated by the Body Control module (BCM) by class 2 messages. Via the radio according to messages it receives on the class 2 serial data line. The radio sends the required chime signals to the radio amplifier, which sounds the chime through the Drivers door speaker. The chime will sound with the radio turned off or on
Posted on May 03, 2015
The chime actually is done with the radio. the front drivers door speaker. so if the radio works and the front left speaker works. then more then likely you have a defective door switch. located in the door jam that controls the dome light
Posted on May 03, 2015
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Posted on Jan 02, 2017
Look closely at the cover. You will see a small slot. Insert a small flat blade screwdriver, and pry it off. Very easy..
Posted on Nov 10, 2008
I have a 97, and my fuse for that is behind the glovebox. Open the box, slide the end of the strap to disconnect it, then remove the box. The fuse is marked. Something like "Dome lt. elim." I think it's located one up from the bottom right. This can actually be done without removing the glove box. For a more permanent fix, quadratec.com has a switch that plugs into the fuse location and mounts under the dash, so you can just flip the switch. Hope this helps.
Posted on Jul 14, 2009
Thank you so much for your follow up about the loose connection under the glove box..
I had exactly the same problem and the local ford dealer could not fix it. Was going to take it to the Jag dealer but did a search and your question and follow-up saved me a trip and $
Posted on Dec 23, 2009
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