This 2003 Cadillac Deville DTS came in with the complaint that the blower motor does not work most of the time. Sometimes it will blow but it seems to blow slower than it should. Using a test light and a jumper wire, I connected one end of my test setup to the purple wire. Then … Continue reading “2003 Cadillac Deville, Blower Does Not Work”
This 2003 Toyota Camry came in with the complaint that sometimes the a/c would stop blowing cold air. Just before it stops blowing cold air the green light under the a/c button will start flashing. I hate to say it but I do not even bother diagnosing this problem anymore. I just go to my … Continue reading “2003 Toyota Camry, A/C Stops Blowing Cold Air”
This 1993 Honda Civic came in with the complaint that the blower motor does not work on any speed. The blower motor is located under the passenger side of the dash. I depressed the thumb latch and pulled the connector from the blower motor. I checked power on both wires and nothing was there. key … Continue reading “1993 Honda Civic, Blower Does Not Work”
Although the vehicle I am working on is a 2005 Cadillac Escalade, this information is relevant to many OBD2 vehicles. The Tech 2 makes it simple because the tool does not have it’s own battery supply. therefore if the scan tool will not power up there is a basic problem with power or ground to … Continue reading “Scan Tool Will Not Communicate / Power Up”
This 2005 Cadillac Escalade came in with the complaint that the driver’s side vents have switched to blowing only hot air with the a/c on. The passenger side air is cold. The telltale B0408 code for a faulty driver’s side blend/ temperature door actuator. Granted most people do not have a dealer level scan tool … Continue reading “2005 Cadillac Escalade, Driver’s Side Vents Blow Hot Air, A/C On”
This 1997 GMC Savana van has a problem with the blower speed dropping without the switch being moved. The resistor as you can see in the picture below is quite easy to get to. It is under the hood on the passenger side of the vehicle. If you would click on the picture below to … Continue reading “1997 GMC Savana Van, Changing The Blower Resistor”
This 2005 GMC Sierra came in with the complaint that the air will only flow from the defroster vents, regardless of where it is commanded to. This Sierra has auto a/c controls and no floor mounted center console. Of course the customer brought the truck in, knowing that I had to lay under the driver’s … Continue reading “2005 GMC Sierra, Air Blows Only From Defroster Vents”
This 2003 Ford Expedition came in because of an annoying clicking sound from the back of the vehicle. The customer stated that if he would constantly adjust the rear temperature setting the noise would go away for a little while. He was planning on taking a thousand mile trip soon and did not think he … Continue reading “2003 Ford Expedition, Clicking From Rear A/C Actuator”
This 2000 Oldsmobile Intrigue has warm air blowing from the driver’s side vents and cool air blowing. Notice I did not use the words hot or cold when describing this problem. That would have made for a different cause and repair. The driver’s side temperature reading after about five minutes with the a/c on and … Continue reading “2000 Oldsmobile Intrigue, Drivers Air Not As Cold As Passenger Side Air”
This 2000 Oldsmobile Intrigue came in with hot air blowing from the driver’s side vents with the a/c on. Using scan data on my Tech 2, I had determined that there were issues with the blend door actuators on this Olds. I had already removed the lower dash panels on the driver’s side to replace the … Continue reading “2000 Oldsmobile Intrigue, Driver’s Vent Blows Hot Air”