LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2012 >> Prius Three >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Pre-Collision System (Except Plug-In) (Diagnostic Codes & Circuit Tests) >> Pre-Collision System >> DTC C1A22: Object Recognition Camera Incorrect Axial Gap; DTC C1A23: Object Recognition Camera Initialization Incomplete >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC C1A22: Object Recognition Camera Incorrect Axial Gap; DTC C1A23: Object Recognition Camera Initialization Incomplete: Description

for Lane keeping Assist System

If the driving support ECU determines that the lane recognition camera sensor assembly axis is deviated, DTC C1A22 is stored. Also, if the lane recognition camera sensor assembly beam axis adjustment is not performed after installing the lane recognition camera sensor assembly, DTC C1A23 is stored.

DTC No. DTC Detection Condition Trouble Area
C1A22 When the vehicle speed is 50 km/h (30 mph) or more with the lane keeping assist switch on, the driving support ECU detects lane recognition camera sensor assembly beam axis deviation for 1 second or more.
  • Lane recognition camera sensor assembly
  • Driving support ECU
C1A23 When the vehicle speed is 50 km/h (30 mph) or more with the lane keeping assist switch on, the driving support ECU detects that lane recognition camera sensor assembly adjustment has not been completed for 1 second or more.
  • Lane recognition camera sensor assembly
  • Driving support ECU