RIGHT MATE GET A MULTI
best thing to do is to take engine temp sensor out and put in the fridge with a thermometer get as close to 0 deg as pos same with i a t but only to 15-25 deg
readings as follows
coolant temp sensor
c/t/s
0deg= aprox 6000 ohms
40deg=1200 ohms
100deg=180 ohms
i/a/t
intake air temp
between 15+25 deg = aprox3800 ohms
t/p/s
throttle position sensor 2 differ types
type 1
on pins 1+3 with throttle closed =3000 ohms aprox
on pins 1+3 with throttle open fully =1000 ohms aprox
type 2
on pins 1+2 with throttle closed=3000 ohms aprox
on pins 1+2 with throttle open fully 1000 ohms aprox
hope this helps need any more just ask
tommy