Toyota Yaris: Front Radar Sensor System / System Diagram
SYSTEM DIAGRAM

CAUTION / NOTICE / HINT HINT:
Before performing troubleshooting for the front radar sensor system, perform troubleshooting for the pre-collision system...
Other information:
Your vehicle is equipped with head restraints on all outboard
seats and the rear center seat. The head restraints are intended
to help protect you and the passengers from neck injury.
WARNING
Always drive with the head restraints installed when seats are being
used and make sure they are properly adjusted...
PROBLEM SYMPTOMS TABLE HINT:
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table...
Categories
No special break-in is necessary, but a few precautions in the first 600
miles (1,000 km) may add to the performance, economy, and life of
the vehicle.
Do not race the engine.
Do not maintain one constant speed, either slow or fast, for a long
period of time.
Do not drive constantly at full-throttle or high engine rpm for
extended periods of time.
Avoid unnecessary hard stops.
Avoid full-throttle starts.
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