Toyota Yaris: Theft Deterrent / Keyless Entry / Smart Key System (for Start Function)
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Key System (for Start Function)
- Precaution
- Parts Location
- System Diagram
- How To Proceed With Troubleshooting
- Check For Intermittent Problems
- Operation Check
- Registration
- Customize Parameters
- Problem Symptoms Table
- Terminals Of Ecu
- Dtc Check / Clear
- Data List / Active Test
- Diagnostic Trouble Code Chart
- IG Circuit Short to Ground (B227111)
- ACC Circuit Short to Ground (B227411)
- Engine/Power Switch Signal Compare Failure (B227862)
- Vehicle Speed Signal Circuit Open (B228231,B228262)
- Steering Lock Position Signal Compare Failure (B228562)
- Battery Circuit or Ground Circuit Energization Malfunction (B228B00)
- Wireless Starter Component Internal Failure (B277A96)
- Steering Lock System Component Internal Failure (B278196)
- Power Source Control System Circuit Short to Ground (B278211)
- Power Source Control System Circuit Short to Battery or Open (B278215)
- Antenna Coil Circuit Voltage Out of Range (B27841C)
- ID-BOX Component Internal Failure (B278D96)
- Immobiliser Amp Missing Message (B278E87)
- ID-BOX Calibration / Parameter Memory Failure (B279046)
- Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid (B279986)
- Engine Immobiliser System Circuit Short to Battery (B279A12)
- Engine Immobiliser System Incorrect Assembly (B279C95)
- Steering Lock Confirmation Signal Circuit Voltage Out of Range (B279F1C)
- Front Floor Electrical Key Oscillator Circuit Open (B27A513)
- Crankshaft Position Sensor "A" Signal Compare Failure (P033562)
- Lost Communication with ECM/PCM "A" Missing Message (U010087,U012987,U014087,U015587,U110387,U111787)
- Engine does not Start
- Power Source Mode does not Change to ON (IG and ACC)
- Power Source Mode does not Change to ON (IG)
- Power Source Mode does not Change to ON (ACC)
- New Key cannot be Registered
- Additional Key cannot be Registered
- New Key Registration Warning Message is not Displayed
- System Malfunction Message is Displayed on the Multi-information Display
- Steering Lock does not Lock
- Security Indicator Light Does not Blink
- Immobiliser System does not Operate Properly
- Unable to Unlock Steering Wheel (Engine cannot Start)
Back Door Entry Lock Function does not Operate
DESCRIPTION If the entry lock function does not operate for the back door only, but the entry unlock function operates, the request code is being transmitted properly from the back door...
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...
Other information:
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST HINT: Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed...
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Auto Down Operation does not Fully Open Power Window (Catch Protection Function is Activated)
DESCRIPTION If a door glass does not slide smoothly or a power window regulator motor assembly or door window regulator sub-assembly does not operate smoothly, the catch protection function may be triggered automatically, resulting in the auto down operation being unable to fully open the power window...
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Front Seat Belt Pretensioners
The front seat belt pretensioners are designed to deploy in moderate or severe frontal, near frontal collisions.
In addition, the pretensioners operate when a side collision or a rollover accident is detected. The pretensioners operate differently depending on what types of air bags are equipped. For more details about the seat belt pretensioner operation, refer to the SRS Air Bag Deployment Criteria.
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