Relay
Back Door GlassToyota CH-R Service Manual > Rear View Monitor System: Dtc Check / Clear
DTC CHECK / CLEAR
CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Navigation System / Trouble
Codes.
Body Electrical > Navigation System > Trouble Codes
(e) Check for DTC ...
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 ...