Installation
ComponentsToyota CH-R Service Manual > Air Conditioning System(for Automatic Air Conditioning System With Side-mounted
Air Conditioner Pressure Sensor): System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Communication Line
Air conditioning amplifier assembly
ECM
Magnet Clutch request signal
CAN
A/C Idleup request signal
...
Toyota CH-R Service Manual > Can Communication System: Check Bus 3 Line for Short to GND
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and GND when there
is no resistance between terminal 6 (CA3H) of the central gateway ECU (network gateway
ECU) and terminal 4 (CG) of the DLC3, or terminal 21 (CA3L) of the central gateway
ECU (network gateway ECU) and ...