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 | INSPECT BODY CONTROL MODULE (BCM) FOR MALFUNCTION
|
Yes | Repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [BODY CONTROL MODULE (BCM) (US)] .) |
| No | Go to the next step. | ||
| 2 | INSPECT TCS OFF SWITCH (WITHOUT OFF-ROAD TRACTION ASSIST)/OFF-ROAD TRACTION ASSIST SWITCH (WITH OFF-ROAD TRACTION ASSIST) (CLUSTER SWITCH NO. 1) LIN COMMUNICATION LINE FOR SHORT TO GROUND
|
Yes | Go to the next step. |
| No | Repair or replace the malfunctioning location and perform the repair completion verification. | ||
| 3 | INSPECT TCS OFF SWITCH (WITHOUT OFF-ROAD TRACTION ASSIST)/OFF-ROAD TRACTION ASSIST SWITCH (WITH OFF-ROAD TRACTION ASSIST) FOR MALFUNCTION
|
Yes | Go to the next step. |
| No | Repair or replace the malfunctioning location and perform the repair completion verification. (See CLUSTER SWITCH REMOVAL/INSTALLATION .) |
||
| 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.
|
| No | Go to the next step. | ||
| Repair completion verification 2 | VERIFY IF OTHER DTCs DISPLAYED
|
Yes | Repair the malfunctioning location according to the applicable DTC troubleshooting. |
| No | DTC troubleshooting completed. |