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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 C1A31: Driver Monitor Camera [09/2015 - ] >> Description

DTC C1A31: Driver Monitor Camera [09/2015 - ]: Description

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

When the driving support ECU assembly receives information that there is a malfunction in the driver monitor camera, DTC C1A31 is output.

DTC Code DTC Detection Condition Trouble Area
C1A31 While engine switch is on (IG), driving support ECU assembly receives information that there is malfunction in driver monitor camera for 1 sec. (6 trip detection logic)
  • Driver monitor camera
  • Driving support ECU assembly