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Re: Temperature Display
Posted by Joe Dille (more from Joe Dille) on Sun, 2 Apr 2000 23:33:48
In Reply to: , Kok Chen, Sat, 17 Dec 1988 12:00:00 

I would guess the problem is in the sensor end of the system.  I do 
not know the details of the system, so I am speeking generically.  
Temperature sensors are generally resistance devices.  That is the 
resistance changes with temperature.  The temperature 'gage' in 
the dash is just a glorified ohm meter.  

Your manual or mechanic should be able to tell you where the 
sensor is and what the normal resistance is.  You can also learn 
what the resistance is at different temperatures.  I would focus on 
the connections between the gage and the sensor.  The gage will 
count all resistance in the circuit (sensor, wiring,and connections) 
in its temperature calculation.

Drive Safe,

Joe

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