DTC C0051:28/C0051:54/C0051:64 [DSC HU/CM]

id040262846600

DTC
C0051:28
Steering angle signal
C0051:54
C0051:64
DETECTION CONDITION
•  C0051:28
?  Steering angle signal malfunction is detected.
•  C0051:54
?  No determination of steering angle neutral position.
Note
•  Each time the ignition is switched ON, the DSC HU/CM and EPS control module individually calculates the steering angle neutral position based on the signals from each sensor and each module.
•  If the vehicle is driven as follows just after the engine is started, the DSC HU/CM may store DTC C0051:54.
?  Vehicle is accelerated rapidly while being steered left or right.
?  Vehicle is driven on a banked road.
?  Vehicle is steered left and right repeatedly.
•  If the DTC is a past malfunction during DTC inspection, it does not indicate a vehicle malfunction.
•  C0051:64
?  Difference between steering angle calculated by each sensor and steering angle received from EPS control module outside of specified value is detected.
FAIL-SAFE FUNCTION
•  Refer to “Fail-safe function table”. (See DTC TABLE [DSC HU/CM].)
POSSIBLE CAUSE
•  EPS control module malfunction
•  DSC HU/CM malfunction
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic Procedure

Step

Inspection

Action
1
VERIFY EPS CONTROL MODULE DTC
•  Using the M-MDS, perform the EPS control module DTC inspection.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [ELECTRIC POWER STEERING (EPS)].)
DTC troubleshooting completed, then go to the next step.
No
Go to the next step.
2
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Using the M-MDS, clear the DTC from the DSC HU/CM.
•  Using the M-MDS, perform the DSC HU/CM DTC inspection.
•  Is the same DTC present?
Yes
Repeat the inspection from Step1.
If the malfunction recurs, replace the DSC HU/CM, then go to the next step.
(See DSC HU/CM REMOVAL/INSTALLATION.)
No
Go to the next step.
3
VERIFY NO DTC IS PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [DSC HU/CM].)
No
DTC troubleshooting completed.