Toyota 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 2 Line for Short to +B
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and +B when no
resistance exists between terminal 18 (CA4H) of the central gateway ECU (network
gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 17 (CA4L) of the central
gateway ECU (network gateway ECU) and ...