DESCRIPTION
The power steering ECU assembly receives engine speed signals from the ECM via CAN communication. The power steering ECU assembly provides appropriate assisting force in accordance with the engine speed signal.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1544 |
An abnormal engine speed signal is received. |
|
PROCEDURE
1. |
CHECK OTHER DTC OUTPUT (CAN COMMUNICATION SYSTEM) |
(a) Check if DTC U0100 is output (See page ).
Result |
Proceed to |
---|---|
DTC U0100 is not output |
A |
DTC U0100 is output |
B |
HINT:
DTC U0100 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 (SFI SYSTEM) |
(a) Using the Techstream, check for DTCs and confirm that there are no problems
in the SFI system (See page ).
Result |
Proceed to |
---|---|
DTC is not output |
A |
DTC is output |
B |
A | ![]() |
REPLACE POWER STEERING ECU ASSEMBLY |
B | ![]() |
GO TO SFI SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) |
Installation
INSTALLATION
PROCEDURE
1. INSTALL NO. 1 WINDSHIELD GLASS STOPPER
(a) Install 2 new No. 1 windshield glass stoppers to the vehicle body
as shown in the illustration.
Text in Illustration
*1
No. 1 Windshi ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE REAR PROPELLER SHAFT UNIVERSAL JOINT SPIDER BEARING
HINT:
Use the same procedure for all rear propeller shaft universal joint spider bearing.
(a) Place matchmarks on the flange yoke and sleeve yoke.
Text in Il ...