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.
Terminals Of Ecu
Dtc Check / ClearToyota CH-R Service Manual > Vehicle Stability Control System: Acceleration Sensor Malfunction (C1420)
DESCRIPTION
This DTC is stored when the skid control ECU (brake actuator assembly) detects
an abnormality in the difference between the acceleration sensor value and the control
value estimated based on the yaw rate sensor, steering angle sensor and speed sensor
signals.
DTC No.
...
Toyota CH-R Service Manual > Vehicle Stability Control System: TRAC does not Operate
DESCRIPTION
When ABS, TRAC or VSC is operating, the skid control ECU (brake actuator assembly)
blinks the slip indicator light to inform the driver that slippage occurred.
When in VSC off mode, or TRAC and VSC are disabled, the multi-information display
in the combination meter assembly displa ...