SYSTEM DIAGRAM
HEADLIGHT ASSEMBLY (for LED Headlight)

Parts Location
How To Proceed With TroubleshootingToyota CH-R Service Manual > Smart Key System(for Start Function): Engine/Power Switch Malfunction (B2278)
DESCRIPTION
This DTC is stored when the SSW1 contact signal and SSW2 contact signal, which
are detected when the engine switch is operated, do not match.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B2278 ...
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 ...