LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2017 >> LS 460 Base, AWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System (W/ Driver Monitor Camera) - Diagnostic Codes >> PRE-COLLISION SYSTEM(w/ Driver Monitor Camera) >> DTC C1A21: Object Recognition Camera [09/2015 - ] >> Description

DTC C1A21: Object Recognition Camera [09/2015 - ]: Description

The driving support ECU assembly uses the millimeter wave radar sensor assembly, driver monitor camera and object recognition camera to detect obstacles in front of and behind the vehicle, and detect the direction that the driver's head is facing. Based on this information, the driving support ECU assembly sends pre-collision control operation signals.

If the driving support ECU assembly detects a malfunction in the object recognition camera, DTC C1A21 is output.

DTC Code DTC Detection Condition Trouble Area
C1A21 While engine switch is on (IG), object recognition camera sensor malfunction signal is sent to driving support ECU assembly for 1 sec.
  • Object recognition camera
  • Driving support ECU assembly