owners handbook should tell you how to reset the temp sender
The outside temperature sensor on a 2003 Altima is located just behind the front bumper. it is on the passenger side of the vehicle in the undercarriage.
The computer monitors the outside temperature through the sensor and will not activate the a/c when the temperature reading is too cold. It is not an expensive part but shop labour can be expensive. With the sensor replaced and reading proper the a/c function should return to normal. Hope this helps. "G"
Replace it.
OC : open circuit. The sensor or its wiring is bad for the overhead console outside temp reading.
I doubt if it can be reset. Probably a sensor fault if it is reading incorrectly.
Replace the outside temp sensor. Problem could also be the climate control head. Read other posts about the notorious AC hot/cold problems affecting Intrigues, which has no certain solution. Before spending the money on a new outside temp sensor, if your temp is just reading low, try cleaning your battery terminals where they contact. Remember to remove the Negative first, and reattach it last. The sensor is really sensitive to voltage changes.
the greater the distance the lower the reading
It appears that all that you can test is the resistance across the sensor. Testing across terminals +b and HT at 20 degrees centigrade (68 degrees Fahrenheit) the front sensor (Bank 1 sensor 1) should give a a reading of 5~7 ohms, the rear sensor (bank 1 sensor 2) should return a reading of 11~16 ohms. Readings outside this range suggest replacing the sensor.
No. Try tapping on the fan relay in the fuse & relay panel under the hood. If the sensor is only reading 35 degrees however, despite the actual outside temp, that will prevent the A/C from coming on.
Ambient temp. For outside temp readings.
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