Climate control problems

Nissan 300ZX technical discussion forum: Maintenance, performance, installations, modifications, how-to's and troubleshooting.
BuilderTom
Posts: 4
Joined: Sat Jan 10, 2015 8:54 pm
Car: 300 zx.

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Hi guys,
I just bought a 91 300zx NA a month ago. I use to own a NSX, love it. Awesome car, but it got stolen and still the police can't find it. I can't afford another NSX right now, but i have always liked the 300zx. So i just bought one. When i bought it, i didn't pay attention to the climate control. It wasn't lighting up or working. So i just assume it was broken. So i bought a new climate control and installed it. Yet it doesn't work. Nothing lights up nor does the blower blow anything. I was wondering if anybody can help me. I am gonna swap the motor to a tt when it dies. I wanted to gut the whole car. this car has 200k miles but the motor drives very well. I started reading about tt after i bought the car....should have done homework first...lol...oh well i love the color and the fact it it is a 2+2. So it is longer then the regular tt. I am about 6-7k into this car so far. No regrets cause after i'm done it's gonna be a completely new car. Can you guys help me with this controller problem. It been cold lately and it be nice to be able to use the heater.


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Ace2cool
Posts: 11650
Joined: Sun Apr 20, 2008 5:21 pm
Car: 1991 Nissan 300ZX TT
1966 Datsun Fairlady 1600
2005 Suzuki GSX-R 600
1974 Honda CB550 Four
2009 Ford F150 Lariat
Location: Murfreesboro, TN

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Climate control is a hard one to troubleshoot, ESPECIALLY if the unit won't light up/display. Have you checked fuses?

BuilderTom
Posts: 4
Joined: Sat Jan 10, 2015 8:54 pm
Car: 300 zx.

Post

Yeah i've checker it looks like all fuses are ok, but i haven't test the power is there or not. I don't know what it's called on the fuse. I am a not good on cars, i know bits and parts. I am a contractor. So i can do some trouble shooting but i am not the brights tools in the shed....lol. Pls help me.

User avatar
Ace2cool
Posts: 11650
Joined: Sun Apr 20, 2008 5:21 pm
Car: 1991 Nissan 300ZX TT
1966 Datsun Fairlady 1600
2005 Suzuki GSX-R 600
1974 Honda CB550 Four
2009 Ford F150 Lariat
Location: Murfreesboro, TN

Post

Have you checked both the kick panel and the box in the hood?

BuilderTom
Posts: 4
Joined: Sat Jan 10, 2015 8:54 pm
Car: 300 zx.

Post

yeah. It makes beeping noise when i push buttons, but the screen is blank and nothing happens to the blowers.

User avatar
Ace2cool
Posts: 11650
Joined: Sun Apr 20, 2008 5:21 pm
Car: 1991 Nissan 300ZX TT
1966 Datsun Fairlady 1600
2005 Suzuki GSX-R 600
1974 Honda CB550 Four
2009 Ford F150 Lariat
Location: Murfreesboro, TN

Post

Good palce to start: http://www.nicoclub.com/FSM/300zx/1994/ha.pdf

Page 113.


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