Toyota Yaris: Seat Heater System / System Diagram
SYSTEM DIAGRAM

SYSTEM DESCRIPTION FRONT SEAT HEATER (a) By operating the seat heater switch, the temperature can be controlled within the range of 30 to 50°C (86 to 122°F)...
Other information:
DESCRIPTION The main body ECU (multiplex network body ECU) detects whether either the rear doors are open or closed based on the courtesy light switch condition and then sends the rear door status signal to the combination meter assembly. The power distribution box assembly detects whether either the rear seat belts are fastened or unfastened based on the rear seat belt buckle switch condition and then sends the rear seat belt buckle switch status signal to the combination meter assembly...
REMOVAL CAUTION / NOTICE / HINT CAUTION: Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing.
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HINT:
When the cable is disconnected/reconnected to the auxiliary battery terminal, systems temporarily stop operating...
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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