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Home >> Toyota >> 2012 >> Prius Four >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Pre-Collision System (Except Plug-In) (Diagnostic Codes & Circuit Tests) >> Pre-Collision System >> DTC C1A10: Front Radar Sensor >> Description
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DTC C1A10: Front Radar Sensor: Description

The driving support ECU uses the millimeter wave radar sensor and lane recognition camera sensor to detect obstacles in front of the vehicle.

Based on this information, the driving support ECU sends pre-collision control operation signals.

When the driving support ECU receives information that there is a malfunction in the millimeter wave radar sensor, DTC C1A10 is stored.

DTC No. DTC Detection Condition Trouble Area
C1A10 When the power switch is on (IG), the driving support ECU receives information that there is a malfunction in the millimeter wave radar sensor for approx. 1 second.
  • Millimeter wave radar sensor
  • Driving support ECU