Diagnosis System [05/2018 - 08/2020]

WARNING: This page is about a different car, the 2020 Toyota C-HR, 2019 Toyota C-HR, and 2018 Toyota C-HR. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DLC3
1. Check the DLC3.
  Refer to GENERAL INFORMATION [02/2017 - ]

FUNCTION OF WARNING INDICATOR AND MESSAGE

If the lane departure alert system (w/ Steering Control) is not functioning properly, the driver is warned by the lane departure alert indicator and multi-information display warning message on the combination meter assembly.

Warning Message	Detail	DTC	Lane Departure Alert Indicator
Lane Departure Alert Malfunction Visit Your Dealer	Lane departure alert system (w/ Steering Control) is malfunctioning	Stored	Illuminates (amber)
Front Camera Unavailable	Forward recognition camera temporarily malfunctioning Abnormal forward recognition camera voltage Forward recognition camera temperature outside of operational range Other forward recognition camera malfunction	Not stored	Illuminates (amber)
Front Camera Vision Blocked Clean and Demist Windshield	Forward recognition camera view is unclear	Not stored	Illuminates (amber)
LDA Unavailable	Sensor other than forward recognition camera sensor is temporarily disabled	Not stored	Illuminates (amber)

LANE DEPARTURE ALERT INDICATOR STATUS

Lane Departure Alert Indicator	Status
Illuminates (amber)	The lane departure alert system (w/ Steering Control) system is malfunctioning or temporarily disabled
Blinks (amber)	Lane departure warning function is operating
Illuminates (green)	LDA steering control function is operating*
Illuminates (white)	Monitoring lane departure
Not illuminated	Lane departure alert system (w/ Steering Control) are not operating

HINT:

*If the LDA steering control function operates while the lane departure warning function is operating, the lane departure alert indicator blinks (amber).