DESCRIPTION
The power steering ECU assembly receives steering angle signals from the steering angle sensor via CAN communication. The power steering ECU assembly provides appropriate assisting force in accordance with the steering angle signal.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
C15F1 |
An abnormal steering angle signal is received. |
|
PROCEDURE
1. |
CHECK OTHER DTC OUTPUT (CAN COMMUNICATION SYSTEM) |
(a) Check if DTC U0126 is output (See page ).
Result |
Proceed to |
---|---|
DTC U0126 is not output. |
A |
DTC U0126 is output. |
B |
HINT:
DTC U0126 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 related to the steering angle sensor 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) |
Replacement
REPLACEMENT
PROCEDURE
1. REMOVE REAR PROPELLER SHAFT ASSEMBLY
(a) for 2WD:
Remove the rear propeller shaft assembly (See page
).
(b) for 4WD:
Remove the rear propeller shaft assembly (See page
).
2. REMOVE REAR DRIVE PINION NUT
(a) Using SST and ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of ...