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Home >> Lexus >> 2016 >> GX 460 Base >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Pre-Collision System (Diagnostic Codes & Circuit Tests) >> Pre-Collision System >> DTC C1AA8: Front Camera Module Incorrect Axial Gap; DTC C1AA9: Front Camera Module Beam Axis Not Adjusted [08/2019 - ] >> Description
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DTC C1AA8: Front Camera Module Incorrect Axial Gap; DTC C1AA9: Front Camera Module Beam Axis Not Adjusted [08/2019 - ]: Description

If the millimeter wave radar sensor assembly detects that the forward recognition camera beam has an axis misalignment, DTC C1AA8 is output.

Also if Forward Recognition Axis Adjustment has not been performed or did not complete normally after the forward recognition camera was replaced with a new one, DTC C1AA9 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AA8 Front Camera Module Incorrect Axial Gap When the pre-collision system is operating, the driving support ECU assembly receives a signal indicating that the beam axis of the forward recognition camera is misaligned for 0.3 second or more.
  • Forward recognition camera system
  • Driving support ECU assembly
C1AA9 Front Camera Module Beam Axis Not Adjusted When the pre-collision system is operating, the driving support ECU assembly detects that Forward Recognition Axis Adjustment has not been completed for 0.3 second or more.
  • Forward recognition camera system
  • Driving support ECU assembly