Mechanics

NISSAN SUNNY ENGINE PROBLEM

2002 Nissan Sunny

Electrical problem
2002 Nissan Sunny Automatic 123000 miles

One fine morning I have found that my Car's A/C and radiator fans (both one for A/C and one for engine cooling) was not working. I have checked all the fuses but found ok. Any help or hint will be highly appreciated. Thanks in advance : -)
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Faizan
March 22, 2009.



Does the engine overheat?
If not it should come on as needed
if its running hot
check coolant sensor

BMRFIXIT
Mar 22, 2009.
Thanks BMRFIXIT for a prompt reply.
Yes, the engine is getting overheat. Also the A/C has stop working and its cooling fan located at the radiator.

Tiny
Faizan
Mar 22, 2009.
Check for power and ground at the coolant fan motor
check for power at the relay


http://www.2carpros.com/forum/automotive_pictures/99387_Graphic1_267.jpg


BMRFIXIT
Mar 22, 2009.
These relays are located with in the fuses box or in a separate box (may be a relay box)

Tiny
Faizan
Mar 22, 2009.
BMRFIXIT,

I checked the relay box and found that after removing the radiator fan relay and shorting the first set of contacts found that engine fan works fine and if shorting the second set of contacts found that only A/C fan works fine but not the A/C.

Tiny
Faizan
Mar 22, 2009.
A/C check its fuses again
check if full of gas (134)
fan not coming ON the test you did conform that the motor and wiring from relay to motor good
check coolant sensor and fan switch

BMRFIXIT
Mar 22, 2009.