DIAGNOSIS SYSTEM
DESCRIPTION
(a) The steering lock ECU (steering lock actuator or upper bracket assembly) stores DTCs when a malfunction occurs in the system. These DTCs can be confirmed by using the Techstream.
NOTICE:
(b) The steering lock ECU (steering lock actuator or upper bracket assembly) is not connected to the CAN communication system. Therefore, communication with the Techstream is performed via the certification ECU (smart key ECU assembly).
(c) The steering lock ECU (steering lock actuator or upper bracket assembly) only stores DTCs for currently existing malfunctions. History DTCs are not stored.
Toyota CH-R Service Manual > Seat Heater System: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Seat heater system data and Diagnostic Trouble Codes (DTCs) can be read through
the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning,
use the Techstream to check for malfunctions and perform troubleshooting.
CHECK DLC3
( ...
Toyota 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 ...