SYSTEM DIAGRAM
HEADLIGHT ASSEMBLY (for LED Headlight)

Parts Location
How To Proceed With TroubleshootingToyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): Short to GND in Immobiliser System Power Source Circuit (B278A)
DESCRIPTION
When there is a short to GND in the power supply for the transponder key amplifier
of the engine switch, the certification ECU (smart key ECU assembly) stores this
DTC.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
...
Toyota CH-R Service Manual > Steering Lock System: Power Source Control ECU Malfunction (B2782)
DESCRIPTION
The certification ECU (smart key ECU assembly) has a power source mode switching
function.
This DTC is stored when the IGEI input (the steering lock motor activation permission
signal) sent directly from the certification ECU (smart key ECU assembly) to the
steering lock ECU (ste ...