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 > Charging System: Noise Occurs from V-ribbed Belt or Generator Assembly
PROCEDURE
1.
CONFIRM PROBLEM SYMPTOM
(a) Confirm the problem symptom.
Symptom
Proceed to
Noise occurs from V-ribbed belt.
A
Noise occurs from generator assembly.
B
B
...
Toyota CH-R Service Manual > Can Communication System: Check Bus 3 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Symptom
Trouble Area
Resistance b ...