I found the answer here: http://www.civinfo.com/wiki/index.php?title=Outside_air_temperature_display_logic
The 2006 Honda Civic coolant temperature sensor is located on the front of the engine. The coolant temperature sensor will be in the vicinity of the thermostat housing.
where is temp sensor located for 2003 Hondaaccord lx
under the distributor!
no where
There is a sensor right where the upper radiator hose goes into the engine.
In the crankcase
The 1988 Honda Accord coolant temperature sensor can be found on the front of the engine. The coolant temperature sensor will be a few inches above the thermostat housing.
The water temperature sensor on your 1991 Honda accord, is located on the front of the engine. The sensor is above the water thermostat housing.
According to the manual the outside temperature sensor is located behind the front bumper. Roughly in the location of the driver side fog lamps would be placed. Unless the car came equipped with an outside temperature gauge getting it to display correctly though the instrument package may be a little iffy.
The coolant temperature sensor on a 1998 Honda Accord is located next to the thermostat housing. The sensor has a blue clip located on the right side of the engine compartment.
Only the 1996 and newer Honda's have a i.a.t sensor. It is located in the air intake tube that runs to the throttle body/intake manifold.
one is located at the thermostat housing. the other is in the bottom of the radiator.