Diagnostic Procedure
WARNING: This page is about a different car, the 2024 Mazda CX-90. However, it is still accessible from the selected car via links, so may be relevant.
OPERATION USING COMMANDER SWITCH NOT POSSIBLE (ENTERTAINMENT SYSTEM) DIAGNOSTIC PROCEDURE
| Step | Inspection | Results | Action |
|---|---|---|---|
| 1 | VERIFY ALL SYSTEM DTCs
|
Yes | Repair or replace the malfunctioning location according to the applicable DTC troubleshooting. |
| No | Go to the next step. | ||
| 2 | INSPECT WIRING HARNESS (INCLUDING CONNECTOR/TERMINAL) BETWEEN CONNECTIVITY MASTER UNIT (CMU) AND COMMANDER SWITCH FOR MALFUNCTION
|
Yes | Go to the next step. |
| No | Repair or replace the malfunctioning location and perform the repair completion verification 1. | ||
| 3 | INSPECT COMMANDER SWITCH FOR MALFUNCTION
|
Yes | Go to the next step. |
| No | Repair or replace the malfunctioning location and perform the repair completion verification 1. (Refer to [COMMANDER SWITCH REMOVAL/INSTALLATION ] ). |
||
| Repair completion verification 1 | VERIFY THAT VEHICLE IS REPAIRED
|
Yes | Complete the symptom troubleshooting. (Explain contents of repair to customer) |
| No | Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (See MALFUNCTION DIAGNOSIS FLOW [CONTROLLER AREA NETWORK (CAN)] .) If the CAN communication is normal, perform the diagnosis from Step 1.
|