Toyota CH-R Service Manual > Can Communication System: Open in Bus 1 Main Bus Line
DESCRIPTION
There may be an open circuit in one of the CAN main bus lines when the resistance
between terminals 23 (CA1H) and 8 (CA1L) of the central gateway ECU (network gateway
ECU) is 70 Ω or higher.
Symptom
Trouble Area
Resistance between terminals 2 ...
Toyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
When replacing the radio and display receiver assembly or navigation
ECU, always replace it with a new one. If a radio and display receiver assembly
or navigation ECU which was installed to another vehicle is used, the following
may occur:
...