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Back Door GlassToyota CH-R Service Manual > Air Conditioning System(for Automatic Air Conditioning System With Top-mounted
Air Conditioner Pressure Sensor): Lost Communication with ECM (U0100-U0142,U0155)
DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Memory
U0100
Lost Communication with ECM
No communication with ECM
CAN communication system
ECM
...
Toyota CH-R Service Manual > Can Communication System: Open in One Side of Bus 4 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
Check" screen that is indicated as not communicating or whose connection status
on the "Communication Bus Ch ...