Toyota Yaris: Manual Transaxle System / System Diagram
SYSTEM DIAGRAM

CAUTION / NOTICE / HINT HINT:
The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there are no malfunctions in the CAN communication system...
Other information:
INSTALLATION CAUTION / NOTICE / HINT CAUTION:
Wear protective gloves. Sharp areas on the parts may injure your hands.
There is risk of injury.
HINT:
Use the same procedure for the driver side and front passenger side.
The procedure listed below is for the driver side...
DESCRIPTION The engine stop and start ECU communicates with the SFI system, electronically controlled brake system, power steering system, air conditioning system, airbag system and main body ECU (multiplex network body ECU) via CAN communication. If there is a communication error between the engine stop and start ECU and any of the systems, the engine stop and start ECU stores DTCs and illuminates the stop and start cancel indicator except when there is a communication error with the meter / gauge system...
Categories
If a key is left in the vehicle, the functions of the key left in the vehicle
are temporarily suspended to prevent theft of the vehicle.
To restore the functions, press the unlock button on the functions-suspended
key in the vehicle.
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