SYSTEM DIAGRAM
HEADLIGHT ASSEMBLY (for LED Headlight)

Parts Location
How To Proceed With TroubleshootingToyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): Theft Deterrent System Presence Detection (B279C)
DESCRIPTION
If an ECM that is incompatible with the immobiliser system is installed, the
ECM will store this DTC.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B279C
Theft Deterrent System Prese ...
Toyota CH-R Service Manual > Key Reminder Warning System: Key Reminder Buzzer does not Sound
DESCRIPTION
The key reminder warning buzzer sounds when the driver door is opened while the
ignition switch is off or ACC. The key reminder warning buzzer is activated when
the main body ECU (multiplex network body ECU) sends an unlock warning switch signal
and driver door courtesy light swit ...