DTC C1786/86: Height Control Switch Circuit: Description

By controlling the height control switch, the vehicle height can be set 30 mm (1.18 in.) higher in "HI mode" and 15 mm (0.59 in.) lower in "LO mode" than normal vehicle height.

Even though the vehicle is operated in normal mode, the vehicle height is set approx. 7.5 mm (0.295 in.) lower than normal vehicle height while driving at high speed.

HINT: 

Driving in the "HI mode" is only possible when the vehicle's speed is less than 30 km/h (19 mph).