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Ask Chad Farhat Your Own Question
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Nissan
Satisfied Customers: 1605
Experience:  Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic vehicles
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I have a 97 Nissan Maxima the ac works intermittently I have

Customer Question

I have a 97 Nissan Maxima the ac works intermittently I have checked the Freon when it is working it is ok fans are all working when ac is working it just stops cooling when it does the interior fan continues to run the condenser fan stops
Submitted: 6 months ago.
Category: Nissan
Expert:  Chad Farhat replied 6 months ago.

Hi , my name is ***** ***** I will be assisting you today

Customer: replied 6 months ago.
Ok any ideas
Expert:  Chad Farhat replied 6 months ago.

yes i will be right with you , i'm looking up your system now give me few minutes and i will send you what you need to check '

Expert:  Chad Farhat replied 6 months ago.

is your a/c running now ?

Expert:  Chad Farhat replied 6 months ago.

when it does quit running to a/c compressor stops turning or engaged ?

and does the blower motor inside the cab stays running and just a/c compressor shuts off ? or both ?

Customer: replied 6 months ago.
Compressed clutch disengages and indoor motor continues to blow air
Customer: replied 6 months ago.
It acts like cabin temp has been reached but it never restarts
Expert:  Chad Farhat replied 6 months ago.
Ok you see the a/c relay in the diagrams I sent you the one inside the fuse box of the engine compartment .
Customer: replied 6 months ago.
I saw that
Expert:  Chad Farhat replied 6 months ago.

start car , turn a/c switch on and go pull this relay out , see if pulling it in out or wiggling will cause the a/c compressor to come on and let me know .Thanks

Customer: replied 6 months ago.
The ac is operating now wiggling relay did not make it stop
Customer: replied 6 months ago.
It was tight
Expert:  Chad Farhat replied 6 months ago.

ok give me few minutes i m checking on few things

Expert:  Chad Farhat replied 6 months ago.

do you see this switch

Expert:  Chad Farhat replied 6 months ago.

do you have a test light ?

Expert:  Chad Farhat replied 6 months ago.

I want you to test that switch for power with key on a/c switch on ?

Customer: replied 6 months ago.
I had to leave the car give instructions on what to test and where to test I have a multimeter
Expert:  Chad Farhat replied 6 months ago.

I want you to test that switch for power with key on and a/c switch on ?

I want you to pull the connector and test for power on the connector ,check all pins ?

if you found power i want you to jump the terminals with ( paper clip bend it and make it like a U shape and stick each end in the harness connector , the a/c should come on ,if it does let me know, and if it doesnt let me know .

Customer: replied 6 months ago.
Again the ac is working so the power is obviously there and again everything is working when the AC is working the problem is sometimes it stops working and won't come back on
Expert:  Chad Farhat replied 6 months ago.

yes i know it is working now , you have an intermittent problem with power to a/c ,, to find it ,, testing needs done on a/c components

i can list 8 or more different components that cause this , do you want me to just list them for you and you try them , there is no one answer fix for this problem you having without proper diagnostic or you can just throw part at it.

-

Customer: replied 6 months ago.
Ok what pi s do I jump
Expert:  Chad Farhat replied 6 months ago.

how many wires you see on the connector 2 wire or 3 wires

Customer: replied 6 months ago.
I had to leave
Expert:  Chad Farhat replied 6 months ago.

ok no problem when you get back to it or have time , just reply back on her and we can continue , i'm here till 12 pm tonight and then back on around 9 am tomorrow all week

so just let me know be happy to help you with it

Expert:  Chad Farhat replied 6 months ago.

Hey how are you , yiu still need help with this A / C Issue

Thank You
Chad ( aka -Customer )

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