Standard resistance 

If the result is not as specified, replace the switch assembly.
Removal
InstallationDynamic radar cruise control
with full-speed range
In vehicle-to-vehicle distance
control mode, the
vehicle automatically accelerates,
decelerates and
stops to match the speed
changes of the preceding
vehicle even if the accelerator
pedal is not depressed.
In constant speed control
mode, the vehicle runs at a
fixed speed.
Use the dynamic radar
cru ...
If a warning light turns
on or a warning buzzer
sounds
Calmly perform the following actions if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then
goes off, this does not necessarily indicate a malfunction in the
system. However, if this continues to occur, have the vehicle
inspected by your toyota dealer.
Stop t ...
Operation check
Inspect driver side seat belt warning light
Turn the ignition switch on.
When the driver seat belt is not fastened, check that
the driver seat belt warning light on the combination
meter blinks.
When the driver seat belt is fastened, check that the
driver seat belt warning light o ...