Summary of functions
When driving on highways and freeways with white (yellow) lines, this function alerts the driver when the vehicle might depart from its lane and provides assistance by operating the steering wheel to keep the vehicle in its lane.
The LDA system recognizes visible white (yellow) lines with the camera sensor on the upper portion of the windshield.

PCS (Pre-Collision System)
Functions included in LDA systemToyota CH-R Service Manual > Continuously Variable Transaxle System: Transmission Fluid Pressure Sensor/Switch "A" Circuit Range/Performance (P0841,P2829)
DESCRIPTION
The ECM controls the secondary oil pressure based on the secondary oil pressure
signal output by the oil pressure sensor.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
MIL
Memory
P0841
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Toyota CH-R Service Manual > Windshield Deicer System: Operation Check
OPERATION CHECK
CHECK WINDSHIELD DEICER SYSTEM
NOTICE:
If the battery voltage becomes low, windshield deicer operation is canceled to
prioritize supplying power to the power steering system.
Click here
(a) Turn the ignition switch to ON.
(b) Check that the windshield deicer becomes warm ...