Diagnostic Procedure
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
| Step | Inspection | Results | Action |
|---|---|---|---|
| 1 | VERIFY OTHER DSC HU/CM DTCs
|
Yes | If a procedure which verifies other DTCs is included in the diagnostic procedure of the displayed DTC:
If a procedure which verifies other DTCs is not included in the diagnostic procedure of the displayed DTC:
|
| No | Go to the next step. | ||
| Repair completion verification 1 | VERIFY THAT VEHICLE IS REPAIRED
|
Yes | Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW (US) .) If the CAN communication is normal, perform the diagnosis from Step 1.
(See DSC HU/CM REMOVAL/INSTALLATION [L.H.D. (US)] .) |
| No | System is normal. (Explain to the customer that a DTC is displayed by disconnecting the negative battery terminal during electric parking brake operation.) | ||
| Repair completion verification 2 | VERIFY IF OTHER DTCs DISPLAYED
|
Yes | Repair the malfunctioning location according to the applicable DTC troubleshooting. |
| No | DTC troubleshooting completed. |