Power Source Circuit
ComponentsToyota CH-R Service Manual > Can Communication System: ECU Malfunction (B1003)
DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B1003
ECU Malfunction
A malfunction in the non-volatile storage of the central gateway ECU
(network gateway ECU) is detected ...
Toyota CH-R Service Manual > Can Communication System: Check Bus 1 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 23 (CA1H) of the central gateway ECU (network
gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 8 (CA1L) of the central
gateway ECU (network gateway ECU) and ...