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 > Pre-collision System: System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Millimeter Wave Radar Sensor Assembly
Skid Control ECU (Brake Actuator Assembly)
Brake assist standby signal
Pre-collision brake ope ...
Toyota CH-R Service Manual > Steering Lock System: Unable to Unlock Steering Wheel (Engine cannot Start)
DESCRIPTION
The steering lock actuator or upper bracket assembly activates the steering lock
motor and moves the lock bar into the steering column to lock the steering.
The steering may not unlock when the lock bar gets stuck in the lock hole of
the steering column. In this case, if the engine ...