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 |
System Description
SYSTEM DESCRIPTION
1. GENERAL
(a) To assist the driver with parking the vehicle by displaying an image of the
area behind the vehicle, this system has a rear television camera assembly mounted
on the back door. The system displays the image on the naviga ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Front Wiper Switch
Tester Connection
Switch ...
Rear Power Window RH Auto Up / Down Function does not Operate with Rear Power
Window Switch RH
DESCRIPTION
If the manual up/down function can be performed but the auto up/down function
cannot, the fail-safe mode may be functioning.
If the power window initialization (See page
) has not been performed, the auto up/down function
will not operate.
...