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) |
Vehicle Speed Signal (C1541)
Power Steering Warning Light CircuitNo Response from Steering Lock ECU (B2786)
DESCRIPTION
This DTC is stored when LIN communication between the certification ECU and steering
lock actuator assembly (steering lock ECU) stops for 10 seconds or more.
DTC Code
DTC Detection Condition
Trouble Area
...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
HINT:
When DTC B1650/32 is stored as a result of troubleshooting for the airbag system,
perform troubleshooting for the occupant classification system.
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch t ...