Diagnostic Procedure

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC PROCEDURE

Step	Inspection		Action
1	INSPECT FOR DSC HU/CM MALFUNCTION Using the M-MDS, perform the DTC inspection for the DSC HU/CM. (See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .) Are any DTCs detected?	Yes	Go to applicable DTC inspection. (See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .) DTC troubleshooting completed, then go to the next step.
1		No	Go to the next step.
2	VERIFY DTC TROUBLESHOOTING COMPLETED Clear the DTC from the memory. (See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS .) Is the same DTC present? (See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS .)	Yes	Replace the DSC HU/CM. (See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS .)
2		No	DTC troubleshooting completed.