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) |
Speedometer Malfunction
DESCRIPTION
The combination meter receives vehicle speed signals from the skid control ECU
via the CAN communication line. The wheel speed sensors output voltages that vary
according to the vehicle speed. The skid control ECU supplies power to the wheel
...
Lost Communication with Door Side Airbag Sensor RH (B1692/81,B1697/82)
DESCRIPTION
The circuit for the side collision sensor LH or RH (to determine deployment of
the front seat side airbag LH or RH and curtain shield airbag LH or RH) is composed
of the center airbag sensor, rear airbag sensor LH or RH and side airbag sensor ...