Diagnostic procedure

DIAGNOSTIC PROCEDURE

STEP

INSPECTION

ACTION

VERIFY WHETHER MALFUNCTION IS PAST OR PRESENT

Switch the ignition ON (engine off or on).
Are the TCS/DSC indicator light and the master warning light * illuminated?

Yes

Perform DTC inspection and go to the applicable DTC troubleshooting procedure.
(See DTC TABLE [DYNAMIC STABILITY CONTROL (DSC)] .)
After completing the applicable DTC troubleshooting, go to the next step.

Clear the DTC from the memory and go to the Step 3.
(See CLEARING DTC [DYNAMIC STABILITY CONTROL (DSC)] .)

PERFORM EPS CM DTC INSPECTION

Perform the EPS CM DTC inspection. (See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS [ELECTRIC POWER STEERING (EPS)] .)
Are any DTCs present?

Yes

Go to the applicable DTC inspection.
(See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS [ELECTRIC POWER STEERING (EPS)] .)

Go to the next step.

VERIFY THAT THE SAME DTC IS NOT PRESENT

Clear the DTCs from the memory. (See CLEARING DTC [DYNAMIC STABILITY CONTROL (DSC)] .)
Start the engine and drive the vehicle at 20 km/h {12 mph} or more.
Are the same DTCs present?

Yes

Repeat the inspection from Step 1.
If the malfunction recurs, replace the DSC HU/CM, then go to the next step.
(See DSC HU/CM REMOVAL/INSTALLATION .)

Go to the next step.

VERIFY THAT NO OTHER DTCS ARE PRESENT

Are any other DTCs output?

Yes

Go to the applicable DTC inspection.
(See DTC TABLE [DYNAMIC STABILITY CONTROL (DSC)] .)

DTC troubleshooting completed.

⁽¹⁾	*:With smart city brake support (SCBS)