DESCRIPTION
The power steering ECU receives vehicle speed signals from the brake actuator assembly (skid control ECU) via CAN communication. The ECU provides appropriate assisting force in accordance with the vehicle speed, based on the signals.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1541 |
This DTC is detected when vehicle speed signals via CAN communication are cut off for 3 seconds or more. |
|
CAUTION / NOTICE / HINT
NOTICE:
If the power steering ECU has been replaced with a new one, perform the rotation angle sensor initialization and torque sensor zero point calibration (See page ).
PROCEDURE
1. |
CHECK OTHER DTC OUTPUT (CAN COMMUNICATION SYSTEM) |
(a) Check if DTC U0129 is output (See page
).
Result |
Proceed to |
---|---|
No output |
A |
U0129 is output |
B |
HINT:
DTC U0129 indicates an brake actuator assembly (skid control ECU) communication malfunction in the power steering system.
B |
GO TO CAN COMMUNICATION SYSTEM |
|
2. |
CHECK OTHER DTC OUTPUT (VEHICLE STABILITY CONTROL SYSTEM) |
(a) Using the Techstream, check for DTCs and confirm that there are no problems in the vehicle stability control system (See page ).
Result |
Proceed to |
---|---|
DTC is not output. |
A |
DTC is output. |
B |
A |
REPLACE POWER STEERING ECU |
B |
REPAIR CIRCUIT INDICATED BY OUTPUT CODE |
Removal
REMOVAL
PROCEDURE
1. REMOVE YAW RATE AND ACCELERATION SENSOR
HINT:
Refer to the instructions for Removal of the yaw rate and acceleration sensor
(See page ).
2. REMOVE REAR NO. 2 AIR DUCT
3. REMOVE REAR NO. 1 AIR DUCT
4. REMOVE FRONT NO. 2 FLOO ...
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
Air conditioning filter
The air conditioning filter must be changed regularly to maintain air conditioning
efficiency.
- Removal method
Vehicles with smart key system:
Turn the “ENGINE START STOP” switch off.
Vehicles without smart key system:
Turn the engine switch ...