SYSTEM DESCRIPTION
UNLOCK OPERATION CONDITIONS FOR STEERING LOCK
(a) When the following condition is met, the unlock operation is performed.
HINT:
When the engine switch is turned on (ACC) or on (IG) and the key and certification ECU (smart key ECU assembly) are verified, the steering is unlocked.
(b) When any of the following conditions are met, key verification is performed.
HINT:
LOCK OPERATION CONDITIONS FOR STEERING LOCK
(a) When all of the following conditions are met and the certification ECU (smart key ECU assembly) has been verified, the lock operation is performed.
HINT:
*: This is the lock/unlock operation with the mechanical key.
WARNING FUNCTION
(a) A check smart key system message is displayed on the multi-information display in the combination meter assembly when one of the following occurs: 1) A vehicle speed signal malfunction is detected, 2) a malfunction that interferes with steering lock ECU (steering lock actuator or upper bracket assembly) operation is detected.
If a malfunction occurs which results in the message being displayed, the engine cannot be started once it is turned off.
HINT:
DTCs are stored in all cases listed above.
STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY) DESCRIPTION
(a) The steering lock ECU and steering lock motor are built into the steering lock actuator or upper bracket assembly of the steering column assembly.
(b) The steering lock ECU (steering lock actuator or upper bracket assembly) is not connected to the CAN communication system. However, the steering lock ECU (steering lock actuator or upper bracket assembly) is connected to the certification ECU (smart key ECU assembly) via LIN communication and communicates with other components via CAN communication through the certification ECU (smart key ECU assembly).
Toyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)
DESCRIPTION
This DTC is stored when items controlled by the certification ECU (smart key
ECU assembly) cannot be customized via the audio and visual system vehicle customization
screen.
HINT:
The certification ECU (smart key ECU assembly) controls the smart key system
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Toyota CH-R Service Manual > Power Window Control System: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Power window control system data and Diagnostic Trouble Codes (DTCs) can
be read through the vehicle Data Link Connector 3 (DLC3). When the system seems
to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
CHECK DLC3
(a) Che ...