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not sure where the fuse is for sure either under hood or drivers side under dash,but if the refrigerant gets low as it will over time or if theres a leak the ac clutch will not kick in. even with heat on defrost the ac clutch should kick in and out if ts working proper
This just happened to me yesterday. First, push the AC button to turn the AC off. Then, find the fuse pannel on the driver's side under the dash. Mine is behind the ash tray. Replace the 10 amp fuse (marked fuse #18 on my 1995 Camry manual) and the windows, spedo, tach, etc will come back on. My problem is the bearings on my AC clutch heated up a plastic piece between the AC clutch and AC compressor and the plastic piece blew up and sprayed hot plastic all around the AC compressor. The car runs, but no AC and if I push the AC button, the fuse blows again. I am planning to unbolt the compressor from the engine block, and replace the clutch assembly and pully without disconnecting the hoses. Disconnecting the hoses will vent coolant to the atmosphere and require professional equipment to clean the oil from the system, pull a vaccuum and recharge the system. The AC compressor clutch assembly is available at Advanced Auto for $98. The whole compressor is $247 but requires a lot of work to recharge. You could also take the clutch assembly or whole compressor off and just leave it off and get a shorter (40" in my case) belt to go just to the alternator.
CHECK HEATER AND AC IGNITION 10 AMP FUSE UNDER HOOD JUNCTION BOX.IF ALL IS GOOD CHECK BLOWER MOTOR FUSE AND RELAY.IF ALL LOOKS GOOD. TURN ON CONTROL SWITCH TO CHECK TO SEE IF POWER GOING TO BLOWER MOTOR IF YES BLOWER MOTOR BAD.IF NO POWER GOING TO BLOWER MOTOR FUSE AND RELAY GOOD.YOU HAVE BROKE WIRE BETWEEN SWITCH AND BLOWER MOTOR OR CONTROL SWITCH FAULTY. TO GET TO BLOWER MOTOR ITS LOCATED UNDER THE DASH ON PASSENGER BEHIND GLOVE COMPARTMONT YOU DONT HAVE TO REMOVE GLOVE BOX ITS JUST BELOW IT FAR BACK.YOU NEED TURN OFF RADIO FIRST THEN DISCONNECT NEGATIVE BATTERY CABLE WAIT 20 MINUTES THIS DISABLE AIRBAGS AND THE BCM.REMOVE BLOWER MOTOR HOTWIRE IT TO SEE IF ITS WORKS. IF NO BLOWER MOTOR NO GOOD.IF BLOWER MOTOR GOOD THE AC AND HTR CONTROL SWITCH IS BAD DEALERSHIP FIX.
check for bad fuse under hood. also check for ac relay issue. also under hood . you will find a power dis. center under the hood. (just like a fuse panel)the system does use pressure switches, but check the fuse and relay first. if you have power and ground at the compressor and it does not engage, then the ac clutch is bad. you can check that at the two wires at ac compressor w/ a test light.
2003 nissian sentra wont start .I worked on it putting on valvs and gaskets put back together and now wont start . 2 rows of fuses are blown under hood and inside but could by pass relay under hood and would start . please help
check the wire terminals from the fan motor, its possible that they are loose. Also check the relays if they are good. Just swap out the other relays to test if it will work. These relays can be found in the fuse box under the dash or under the hood.
Ok, first off, check the fuses under the dash. If they're all good, does the blower work only on high speed? If yes, then you have a bad blower motor resistor, which is located under the hood, near the blower motor itself. If the motor doesnt work at all at any fan speed, make sure the wiring harness that plugs into the motor under the hood is clean and tightly installed. If it still doesnt operate, sometimes tapping on the blower motor housing will kick it on, but if that doesnt work, you may have to replace the blower motor. They are available aftermarket, and arent usually too expensive.