wjeff60 on . User Info. Refrigerator Defrost Heater Assembly. No. Q: the drivers side mirror defogger is not working the rear windows works and passenger side works what could be the problem this is a 2013 Honda civic This is a common problem with heated mirrors and window defrosters. Average failure mileage is 15,000 miles. it's back firing losing power them picks back up weird smell coming from exhaust that it was cat so I took it off but stil doing same thing . Then I tried to turn the defroster on again and it didn t work. This was a real problem this morning when we had freezing rain. It used to work! I did two things that could have fixed it. which could be in the lines to the actuator or the actuator itself . Rear Defroster. If the defrost heater does not have continuity, replace it. … I get home and I looked for leaves and cleaned all that I saw. My passenger side mirror defrost stopped working and is getting pretty annoying with all the snow/ice that's been happening recently. … If the blower motor is malfunctioning, the defroster will not work. Driver's side mirror defroster is not working. Dampers behind glove box are moving properly. So if your checking for voltage one probe to the tab on each side . Have you checked for a leak in the radiator? When i turn on my rear defroster, the rear cargo light on the tail gate door turns on and rear defroster does not work. One or more of these are not functioning properly. Grid Power Test: Check whether power is getting to your defroster grid. 1995 GMC 5 Answers. When I turn the dial, it sounds like the air is being re-directed but its not working. If the defrost heater assembly is defective, the defrost system will not work, and frost will continue to accumulate on the evaporator coils. If it is not clogged, then you should have heat as well as airflow. This big snow/ice storm that just came thru NC is probably the first time I have tried to use the rear window and mirror defrost . Defrost doesn't work on passenger side. But, when I start the car in the morning it's cold obviously. The manufacturer was not made aware of the failure. If its electric you may simply have a blown fuse or it could be a bad actuator, if its vacuum you would need to look for leaks in the system. Hey guys. GMC C/K 2500 Series-Maintenance & Repair. Sign in to reply. Just bought with 66000K miles. Failure is indicated by an inability to choose between defrost and floor. I have a 2013 KR F150 SC 4x4 and have owned it since new. Usually the hvac fan will stay off until the car warms up enough and then it will start blowing heat. If your checking for continuity then disconnect the wire connector from the tab on both sides and place a probe on each tab on the window & set your meter to continuity . I have a 1998 Cadillac Deville Base and the driver side defroster does not work. What's happening now though is that the car starts blowing as soon as I start the car. To determine if the defrost heater is defective, use a multimeter to test it for continuity. I would try the Alternate Method shown, even if it's just taking the fuse out and putting it back in. It became very apparent to me as to why the vehicle does not offer the passenger the control for the upper setting ***8211;because both sides of the defroster work as one ***8211; all or nothing. So, my first thought is that it's the motor (actuator) that opens and closes the flap for the heat. W. WolfPack Well-known member. The driver side heat on my 2014 Ford Edge was not working. Issues can range from a blown fuse to a bad blower speed controller. The passenger side works fine though. The contact owns a 2010 Ford F-150. Just no defrost on passenger side only. Swindlethis on . 97 850. Nov 28 2017, 6:34pm. Broken Grid: The most common issue with a rear defroster is physical damage to the heating grid running through the rear window. Sign in to reply. Yours is definitely a blender problem. Disconnect the wire closest to the passenger side of the car and attach the test lamp clip to the wire (not the little metal tab attached to the glass). Mode Door 2: When mode door 1 is set to divert air away from the vents and into the second stage of the system, door #2 chooses whether air goes to the defrost vents to the windshield or out through the floor vents in the passenger and driver’s side footwells. Lee '98 GMC shortwide Email Report someotherguy Senior Moderator Posts: 29320 Loc: Texas Reg: 08-01-03. Looking at the diagram in the SM for the air distribution part of the HVAC system. One button controls both side mirrors and the rear window defrosters so I can't imagine that it could be a fuse issue. Is that just a fuse problem or is … I drove home and it wasn t easy. The default for the HVAC control module is Defrost, so if yours was bad, I would think the defrost should work properly. In addition, the Mrg (Steve J) and I also experienced and noted that at times there was absolutely NO air blowing out at all on the driver's side while the passenger side seemed to be working … 2 Answers. I have a bulb tool and when i ground it and touch the defroster tab on the passenger side it lights up green but when i touch any of the grids nothing happens. The vehicle was not diagnosed or repaired. Air was coming out the vent on the bottom toward the floorboard. The turn signal indicator on the passenger side mirror is not working (front and rear indicators work). User27287 is right, flushing the coolant system will not help as you do not have an issue with your coolant system as evidenced by heat production on one side of the car. The 2015 Ford F-150 has 1 problems reported for rear defroster not working. This is under the dash on the passenger side . So I put the deforster on for 30 minutes and only the passenger side clears up. Re: Rear defroster not working. The defrost and driver side does not work at all. Refrigerator Defrost Heater Assembly. It blows out of the vents and at my feet. After investigating for a minute , playing with the selector switch , that the only thing not working was the front defroster? The failure mileage was 25,000. So the other day I noticed my passenger side mirror's defroster stopped working while my driver side still worked. I had problems with the defroster not working and no heat. Ford F-150 (2009-2014) :: 2013 - Mirror And Rear Window Defrost Not Working Jan 8, 2017. Heated air only exits the driver's side windshield and driver's side dash vents. It does not work nor will the light come on the sync display. It is a 2002 Lexus ES 300 Clicking this will make more experts see the question and we will remind you when it gets answered. Required Part . I have tried and tried everything i know how to fix this issue besides tearing the dash apart. Mirror defrost driver side is not working. Posted by Naila Deskins on Feb 28, 2013. If the defrost heater does not have continuity, replace it. When the switch selector is in the defrost position it blows at my feet? When I turn the selector dial on the dash to defrost, little to no air comes out of the vents on top. The electronic mode actuators move doors inside the HVAC ducts to channel hot or cold air to the desired location. Ideas? It is all one piece. The driver needs to have control over the defroster and therefor the driver side has the additional combinations that include the defroster. If the defrost heater assembly is defective, the defrost system will not work, and frost will continue to accumulate on the evaporator coils. Send Private Topic View Profile. Mechanic's Assistant: Have you checked the coolant level? I had defrosters WITH heat this morning. 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