Toyota Yaris: Smart Key System (for Start Function) / System Diagram
SYSTEM DIAGRAM
SMART KEY SYSTEM (for Start Function)
SMART KEY SYSTEM (for Entry Function)
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PARTS LOCATION ILLUSTRATION
*1 ECM *2 NO. 1 ENGINE ROOM RELAY BLOCK ASSEMBLY - ST NO. 1 FUSE - EFI NO. 1 FUSE - IGP RELAY - ST NO. 1 RELAY *3 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) - - ILLUSTRATION
*1 NO...
CAUTION / NOTICE / HINT HINT:
Replace parts related to the wireless door lock control system and smart key system according to the inspection procedure...
Other information:
DESCRIPTION If the ECM cannot recognize the millimeter wave radar sensor assembly. DTC U040181 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U040181 Invalid Data Received from ECM/PCM "A" Invalid Serial Data Received Approximately 17 seconds or more after the ignition switch is turned to ON, the ECM cannot recognize the millimeter wave radar sensor assembly for approximately 5 seconds or more...
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during the rear drive shaft assembly removal/installation are shown below...
Categories
Before refueling, close all the doors, windows, and the liftgate/trunk
lid, and switch the ignition OFF.
To open the fuel-filler lid, pull
the remote fuel-filler lid release.

To remove the fuel-filler cap, turn it counterclockwise.
Attach the removed cap to the
inner side of the fuel-filler lid.
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