Heater/AC controls not working properly

Hi,

It sounds like the blower motor resistor is bad. When they fail, most times they will only work on high speed.

Here are directions for replacement. The attached picture correlates with the directions.

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2003 Nissan-Datsun Altima L4-2.5L (QR25DE)
Procedures
Vehicle Heating and Air Conditioning Blower Motor Resistor Service and Repair Procedures
PROCEDURES
BLOWER FAN RESISTER


pic 1

Removal and Installation
1. Disconnect blower motor resistor connector.
2. Remove blower motor resistor screws and then remove it.

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I hope this helps. Let me know if you have other questions.

Take care and God Bless,

Joe

Thanks a lot Joe for your great help and God bless you!

Carlos

You are very welcome. Let me know if you need anything. Also, please feel free to come back in the future if you need help.

By the way, did the resister take care of the problem?

Take care of yourself,

Joe

Hi Joe! Just to let you know that the resistor did take care of the problem. Thanks a lot for your help once again and take care of yourself.

Have a good day!

Hi

Thanks for the update. I'm glad to hear it took care of the problem.

Please feel free to come back anytime in the future if you need help or simply have a question. You are always welcome here.

Take care of yourself,

Joe