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) |
Relay(for Magnet Clutch Control)
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. REMOVE MAGNET CLUTCH RELAY
(a) Remove the magnet clutch relay from the engine room relay block.
Text in Illustration
*1
Magnet Clutch Relay
...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE NO. 1 ROOF SILENCER PAD (w/o Sliding Roof)
(a) Remove the No. 1 roof silencer pad.
2. REMOVE NO. 2 ROOF SILENCER PAD
(a) w/o Sliding Roof:
Remove the 2 No. 2 roof silencer pads.
(b) w/ Sliding Roof:
Remo ...