Toyota CH-R Service Manual > Lighting System: Dtc Check / Clear
DTC CHECK / CLEAR
CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main body / Trouble Codes.
Body Electrical > Main Body > Trouble Codes
(e) Check for DTCs.
CLEAR DTC
(a) ...
Toyota CH-R Service Manual > Lighting System: Lost Communication With Headlamp Control Module "B" (U0242)
DESCRIPTION
The headlight ECU sub-assembly LH stores this DTC when the headlight ECU sub-assembly
RH detects an internal malfunction or if a communication malfunction occurs between
headlight ECU sub-assembly LH and headlight ECU sub-assembly RH for 10 seconds or
more.
DTC No.
...