Toyota Yaris: Front Radar Sensor System / Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Front Radar Sensor System| DTC No. | Detection Item | Link |
|---|---|---|
| C1A1100 | Front Radar Sensor Optical Axis Misalignment Malfunction |
|
| C1A8749 | Microwave Integrated Circuit (VCO Circuit) in Front Radar Sensor Internal Electronic Failure |
|
| C1A8887 | Microwave Integrated Circuit to Antenna in Front Radar Sensor Missing Message |
|
| C1A8987 | Antenna to Microwave Integrated Circuit in Front Radar Sensor Missing Message |
|
| C1A8C08 | Main Microcomputer in Front Radar Sensor Bus Signal / Message Failure |
|
| U030051 | Internal Control Module Software Incompatibility Not Programmed |
|
| U030057 | Internal Control Module Software Incompatibility Invalid/Incompatible Software Component |
|
| U032251 | Software Incompatibility with Body Control Module Not Programmed |
|
| U032257 | Software Incompatibility with Body Control Module Invalid/Incompatible Software Component |
|
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not...
Front Radar Sensor Optical Axis Misalignment Malfunction (C1A1100)
DESCRIPTION The millimeter wave radar sensor assembly performs self-diagnosis to check for misalignment of its beam axis. If misalignment is detected, the millimeter wave radar sensor assembly stores DTC C1A1100...
Other information:
Toyota Yaris XP210 (2020-2025) Owner's Manual: Rocking the Vehicle
If you must rock the vehicle to free it from snow, sand or mud, depress the accelerator slightly and slowly move the shift lever from 1 (D) to R position. WARNING Do not spin the wheels at more than 35 mph (56 km/h), and do not allow anyone to stand behind a wheel when pushing the vehicle When the vehicle is stuck, spinning the wheels at high speed is dangerous...
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Driver Side Door Entry Lock Function does not Operate
DESCRIPTION If the entry lock function does not operate for the driver door only, but the entry unlock function operates, the request code is being transmitted properly from the driver door. In this case, there may be a problem related to the lock sensor (connection between the certification ECU (smart key ECU assembly) and front door outside handle assembly LH)...
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Break-In Period
No special break-in is necessary, but a few precautions in the first 600 miles (1,000 km) may add to the performance, economy, and life of the vehicle.
Do not race the engine. Do not maintain one constant speed, either slow or fast, for a long period of time. Do not drive constantly at full-throttle or high engine rpm for extended periods of time. Avoid unnecessary hard stops. Avoid full-throttle starts.