Toyota CH-R Service Manual > Air Conditioning System(for Automatic Air Conditioning System With Side-mounted
Air Conditioner Pressure Sensor): Back-up Power Source Circuit
DESCRIPTION
The back-up power source circuit for the air conditioning amplifier assembly
is shown below. Power is supplied even when the ignition switch is off. This power
is used for diagnostic trouble code memory, etc.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for ...
Toyota CH-R Service Manual > Can Communication System: Check Bus 2 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 18 (CA4H) of the central gateway ECU (network
gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 17 (CA4L) of the central
gateway ECU (network gateway ECU) and ...