Toyota Yaris: Stop And Start System / System Diagram
SYSTEM DIAGRAM

PARTS LOCATION ILLUSTRATION
*A w/ Toyota Safety Sense *B w/ Active Noise Control System *1 ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) *2 VACUUM SENSOR ASSEMBLY *3 INNER REAR VIEW MIRROR ASSEMBLY *4 ECM *5 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) *6 EXTERNAL BACKUP BOOST CONVERTER (ECO RUN VEHICLE CONVERTER ASSEMBLY) *7 MILLIMETER WAVE RADAR SENSOR ASSEMBLY *8 FORWARD RECOGNITION CAMERA *9 ENGINE ROOM RELAY BLOCK - EFI-MAIN NO...
SYSTEM DESCRIPTION STOP AND START CONTROL The stop and start system operates according to the following conditions, achieving appropriate engine stop and start control together with safe and smooth driving characteristics...
Other information:
MONITOR DESCRIPTION While the engine is cranked, current flows from terminal STA2 of the engine stop and start ECU to terminal STA of the ECM (STA signal). If the ECM detects the starter control (STA) signal while the vehicle is being driven, it determines that there is a malfunction in the STA circuit...
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the knock sensor removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/Replaced Replacement Part or Procedure Necessary Procedure Effect/Inoperative when not Performed Link
Replacement of throttle body with motor assembly
Cleaning the deposits from the throttle body with motor assembly
Air leaks from intake system
Replacement of knock control sensor
Inspection after repair
Poor idle, etc...
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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