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

—

Step

Inspection

Action

1

• Using the M-MDS, perform the EPS control module DTC inspection.

  (See DTC INSPECTION [EPS CONTROL MODULE].)

• Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [EPS CONTROL MODULE].)

DTC troubleshooting completed, then go to the next step.

No

Go to the next step.

2

• Using the M-MDS, clear the DTC from the DSC HU/CM.

  (See CLEARING DTC [DSC HU/CM].)

• Using the M-MDS, perform the DSC HU/CM DTC inspection.

  (See DTC INSPECTION [DSC HU/CM].)

• 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

• Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [DSC HU/CM].)

No

DTC troubleshooting completed.