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 > Steering Gear: Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL NO. 2 STEERING RACK BOOT
(a) Apply lithium soap base glycol grease to the inside of the small
opening of a new No. 2 steering rack boot.
(b) Install the No. 2 steering rack boot to the groove on the ra ...
Toyota CH-R Service Manual > Continuously Variable Transaxle System: Definition Of Terms
DEFINITION OF TERMS
Term
Definition
Monitor description
Description of what the ECM monitors and how it detects malfunctions
(monitoring purpose and details).
Related DTCs
Group of diagnostic trouble codes that are ou ...