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6.CHECKING THE MOTOR-DRIVEN VACUUM PUMP CIRCUIT <Vehicles built from November, 1993>

Description of operation
HOLD MODE
When driving at 40 km/h (25 mph) and the main
switch is pressed to ON and the control switch is
turnedtotheSETposition,thecontrolunit
receives'setsignal_Thecontrolunit stops
current from flowing to the motor-driven vacuum
pump, andmakes current flowtothe solenoid
coils in the control valve and the release valve to
close both valves together_
Also, after reaching the desired speed, the motor-
driven vacuum pump and the control valve turn
ON and OFF repeatedly according to the driving
conditions
