DESCRIPTION
The power steering ECU assembly receives vehicle speed signals from the master cylinder solenoid (skid control ECU) via CAN communication. The power steering ECU assembly provides appropriate assisting force in accordance with the vehicle speed signal.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1541 |
An abnormal vehicle speed signal is received. |
|
PROCEDURE
1. |
CHECK OTHER DTC OUTPUT (CAN COMMUNICATION SYSTEM) |
(a) Check if DTC U0129 is output (See page ).
Result |
Proceed to |
---|---|
DTC U0129 is not output. |
A |
DTC U0129 is output. |
B |
HINT:
DTC U0129 indicates a CAN communication malfunction in the power steering system.
B | ![]() |
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
|
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 ASSEMBLY |
B | ![]() |
GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) |
Suspension Control System(w/ Reas)
Precaution
PRECAUTION
1. HANDLING PRECAUTIONS FOR CENTER UNIT AND SHOCK ABSORBER
(a) Replacement of each unit is allowed if there is no fluid leakage. However,
in the case of fluid leakage from the system, replace both the absorber and center
unit as ...
Operation Check
OPERATION CHECK
1. INSPECT INDICATOR/WARNING LIGHT
(a) Check the following indicators and warning lights.
Indicator/Warning Light
Switch Condition
Specified Condition
Tire pressure warning light
I ...