SYSTEM DESCRIPTION
1. DESCRIPTION
(a) The steering lock system locks/unlocks the steering when by activating the steering lock bar with a motor. The steering lock ECU (steering lock actuator assembly) activates the motor based on signals from the certification ECU (smart key ECU assembly) and power management control ECU.
2. FUNCTIONS OF COMPONENTS
(a) The steering lock ECU (steering lock actuator assembly) controls the system based on information from the following components.
Component |
Function |
---|---|
Steering lock ECU (Steering lock actuator assembly) |
|
Power management control ECU |
Permits the steering lock ECU (steering lock actuator assembly) to supply power to activate the motor. The power management control ECU and certification ECU (smart key ECU assembly) permit engine start after receiving an unlock signal from the steering lock ECU (steering lock actuator assembly). |
Certification ECU (Smart key ECU assembly) |
The power management control ECU and certification ECU (smart key ECU assembly) permit engine start after receiving an unlock signal from the steering lock ECU (steering lock actuator assembly). |
IG2 relay |
Controlled by the power management control ECU. Sends IG signals to the steering lock ECU (steering lock actuator assembly). |
Back door
The back door can be opened using the back door opener. The back door can
be locked and unlocked using the entry function (vehicles with smart key system),
wireless remote control or door lock switch.
In addition, the power back door (if equipped) can be ...
Do-it-yourself service precautions
If you perform maintenance yourself, be sure to follow the correct procedure
given in these sections.
CAUTION
The engine compartment contains many mechanisms and fluids that may move suddenly,
become hot, or become electrically energized. To avoid de ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
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