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). |
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CONNECT TECHSTREAM
(a) Connect the Techstream to the DLC3.
(b) Start the engine and run it at idle.
(c) Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test.
HINT:
Refer to the Techstream operator's manu ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
LVDS Signal Malfunction (from Extension Module) (B1532)
DESCRIPTION
The stereo component tuner assembly and the navigation receiver assembly are
connected by the LVDS communication line.
This DTC is stored when an LVDS communication error occurs between the stereo
component tuner assembly and the navigation r ...