SYSTEM DIAGRAM
Toyota CH-R Service Manual > Smart Key System(for Entry Function): Entry Exterior Alarm does not Sound
DESCRIPTION
The smart key system (for Entry Function) uses the wireless door lock buzzer
to perform various vehicle exterior warnings. When the conditions of each warning
are met, the certification ECU (smart key ECU assembly) sends a buzzer activation
request signal to the main body ECU (mul ...
Toyota CH-R Service Manual > Smart Key System(for Start Function): ACC Monitor Malfunction (B2274)
DESCRIPTION
This DTC is stored when a malfunction in the ACC output circuit is detected.
The ACC output circuit is the circuit between terminal ACCD of the certification
ECU (smart key ECU assembly) and the ACC relay.
DTC No.
Detection Item
DTC Detection Condit ...