20
PERIPHERAL DEVICES OF STEERING COLUMN
Idle control knob
(Except MT643 auto T/M)
Turning the knob clockwise after cold
starting of the engine will increase
idling speed and thus facilitate quick
normalization of the engine coolant
temperature.
Always drive with the knob turned
back home.
Idle control valve
(For MT643 auto T/M)
Valve position
• FAST IDLE (UP) : 900~1000rpm.
• IDLE (DOWN) : 550~650rpm.
Battery switch
It controls the entire electrical cir-
cuits with the exception of parking
lamps, hazard warning flashers. The
electrical circuits are energized when
the battery main switch is pressed.