SYSTEM DIAGRAM

Precaution
System DescriptionToyota CH-R Service Manual > Safety Connect System: Backup Battery Failure (B15CC)
DESCRIPTION
This DTC is set when the DCM (Telematics Transceiver) detects one of the following:
The BUB (Back-Up Battery) voltage drops or the BUB (Back-Up Battery)
malfunctions.
The BUB (Back-Up Battery) temperature is (temporarily) high.
DTC No.
Detect ...
Toyota CH-R Service Manual > Lin Communication System: No Response from ID BOX (B2789)
DESCRIPTION
This DTC is stored when LIN communication between the certification ECU (smart
key ECU assembly) and ID code box (immobiliser code ECU) stops for 10 seconds or
more.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
...