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). |
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" column of ...
Control Module Communication Bus OFF (U0073/86,U0100/85,U0129/83)
DESCRIPTION
The AWD control ECU inputs the signals sent from the ECM and skid control
ECU via the CAN communication system.
When DTCs indicating a CAN communication system malfunction are output,
repair the CAN communication system before r ...
Replacement
REPLACEMENT
PROCEDURE
1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM
(a) Start up the engine.
(b) Turn the A/C switch on.
(c) Operate the cooler compressor at an engine speed of approximately 1000 rpm
for 5 to 6 minutes to circulate the refrigerant. T ...