Toyota Yaris: Smart Key System (for Start Function) / Parts Location
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. 1 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY (FRONT FLOOR) | *2 | NO. 2 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY (REAR FLOOR) |
ILLUSTRATION
| *1 | ENGINE SWITCH | *2 | CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
| *3 | COMBINATION METER ASSEMBLY - SECURITY INDICATOR LIGHT | *4 | STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY) |
| *5 | DLC3 | *6 | MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
| *7 | POWER DISTRIBUTION BOX ASSEMBLY - STOP FUSE - STRG LOCK FUSE - AM2 FUSE - ECU-DCC NO. 2 FUSE - ECU-ACC FUSE - ECU-IGR NO. 1 FUSE - ECU-IGR NO. 2 FUSE - ECU-B NO. 1 FUSE - ACC RELAY - IGR-NO. 1 RELAY - IGR-NO. 2 RELAY | *8 | CLUTCH START SWITCH ASSEMBLY |
| *9 | ID CODE BOX (IMMOBILISER CODE ECU) | *10 | ENGINE STOP AND START ECU |
Precaution
PRECAUTION CAUTION REGARDING INTERFERENCE WITH ELECTRONIC DEVICES CAUTION: As weak radio waves are emitted from the electrical key transmitter sub-assembly, if a pacemaker is being used, be sure to read the pacemaker instruction manual and the following...
System Diagram
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Other information:
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Engine Immobiliser System Circuit Short to Battery (B279A12)
DESCRIPTION If the communication line (IMI - EFIO) between the ECM and ID code box (immobiliser code ECU) is stuck high, the ECM will store this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area Note B279A12 Engine Immobiliser System Circuit Short to Battery The communication line (IMI - EFIO) between the ECM and ID code box (immobiliser code ECU) is stuck high...
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are replaced during forward recognition camera removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/Replaced Replacement Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link Forward recognition camera Adjust forward recognition camera Dynamic Radar Cruise Control System Front Camera System Lane Tracing Assist System Pre-collision System Automatic High Beam System One Time Recognition: Sequential Recognition: Driving Adjustment: Update ECU security key Vehicle control history (RoB) are stored NOTICE: When replacing the forward recognition camera, replace it with a new one...
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Liftgate/Trunk Lid
WARNING
Never allow a person to ride in the luggage compartment/trunk
Allowing a person to ride in the luggage compartment/trunk is dangerous. The person in the luggage compartment/trunk could be seriously injured or killed during sudden braking or a collision.
Do not drive with the liftgate/trunk lid open
