Toyota Yaris: Manual Transaxle System / Check For Intermittent Problems

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there are no malfunctions in the CAN communication system...

Road Test

ROAD TEST ROAD TEST (a) Check for DTCs. Click here Powertrain > Engine > Trouble Codes HINT: When DTCs are output, perform troubleshooting for each DTC...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Components

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Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: 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. DTC No. Detection Item DTC Detection Condition Trouble Area C1A1100 Front Radar Sensor Optical Axis Misalignment Malfunction When the ignition switch is ON, the millimeter wave radar sensor assembly detects beam axis misalignment Millimeter wave radar sensor assembly beam axis adjustment Millimeter wave radar sensor assembly CAUTION / NOTICE / HINT NOTICE: When replacing the millimeter wave radar sensor assembly, always replace it with a new one...