Recircukate Switch

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03-13-2019, 09:38 AM

flaco

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Recircukate Switch

Can anybody please explain how the recirculate switch works on my 89...Does it control a motor that closes / opens a door? The hot/cold lever works and all the buttons work fine...any suggestions? help..Thanks,Jeff

03-13-2019, 12:29 PM

DanNY

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i believe it controls a motor that opens/closes a door.

03-13-2019, 12:46 PM

flaco

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Thanks, Danny...That's what i thought but the lever Hot / Cold also opens a door? there are 2 doors?

03-25-2019, 11:00 PM

DennisMik

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the hot/cold lever operates a water valve to allow or shut off hot engine coolant into the heater core. No doors or air duct changes are made by this lever.

There are 2 doors, though. The recirculate/fresh air door and the door that selects the air outlets, i.e., floor, dash, defroster.

see pages 117 & 118 in the link below for the recirculate and mode door motors.

http://boredmder.com/FSMs/Nissan/Maxima/1994/HA.pdf