900 S Coupe L4-1985cc 2.0L DOHC Turbo EFI (1998)
because a lower temperature has to be achieved. Fan speed is changed immediately when solar radiation changes. Owing to the fact that the solar
sensor chiefly measures heat radiation, it cannot be tested with light from a fluorescent lamp and incandescent lamps must be used for this.
If no solar sensor signal is obtainable, a default value of 0 V (night) is set.