When does the blower fan go into afterblow?
Go to the GM online service manual. 45 minutes is what it is. If the A/C compressor has been on for at least 2 minutes, the HVAC control module (IPM) will go into afterblow to remove moisture from the HVAC module. The blower motor will be activated at medium speed 45 minutes after the ignition has been turned off.
When does the blower fan turn on in a car?
The blower motor will be activated at medium speed 45 minutes after the ignition has been turned off. The battery must have 12 volts minimum and outside temperatures must be 21°C (70°F) for higher. Afterblow air will be delivered through the last mode setting made by the vehicle operator or automatic system.
When is the auxiliary blower motor not available?
The only time the auxiliary blower motor is not available is when the HVAC control module (IPM) is in FRONT DEFROST. The auxiliary blower motor icon will flash to indicate that the blower is not available. Power is provided to the auxiliary blower motor from the rear fuse block.
What happens to the lead in the blower when the car is off?
The three prong connection that attaches to the regulator should always have power from the red lead, the brown lead is ground, and the white/pink strip lead is controlled by the fan switch. With the car off, and the fan switch in the “off” position, there should be no power to the white/pink lead.
Why does the blower motor stay on when ignition is off?
OH #2: The engine cooling fan has conditions where it stays on when you turn off the ignition. Conditions being: 1. engine temp is above 215F +/- 2. the car was run above a certain power level in the prior 6 minutes before ignition is off 3. Faulty or missing signal from engine coolant temp sensor.
How to turn off the blower motor on a Volvo?
– Select 30782577 (or 30782664 to deactivate if needed). Enter part number if not listed – After – run passenger control status (wording may change in future VIDA updates.) gone into the sleep mode. The fan will blow for 15 minutes at half speed with the air directed to the dashboard air outlets.
When did the Volvo blower motor replace 87-53?
This TNN superseded the previous 87-53, dated November 21, 2005. The changes include: updates to the 1999 – 2004 method and added new method for 2005 and later. Please update your files.
Why does my car fan stay on when I Turn Off the ignition?
The climate system awakening and doing temp measurements allows it to have a had start on it mode and fan speed. If it is very quiet and you enter car close doors and listen you can hear the fan usually. OH #2: The engine cooling fan has conditions where it stays on when you turn off the ignition.