Intention of troubleshooting 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 1
- Replace the high pressure fuel system parts.
- Repair completion verification
- Verify that the primary malfunction is resolved and there are no other malfunctions.
TROUBLESHOOTING DIAGNOSTIC PROCEDURE
| Step | Inspection | Results | Action |
|---|---|---|---|
| 1 | PURPOSE: REPLACE HIGH PRESSURE FUEL SYSTEM RELATED PARTS DUE TO MALFUNCTION IN HIGH PRESSURE FUEL SYSTEM PARTS
|
- | Go to the next step. |
| Repair completion verification 1 | PURPOSE: 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, replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION (VIN M) .) (See PCM REMOVAL/INSTALLATION (VIN L) .) |
| No | Go to the next step. | ||
| Repair completion verification 2 | PURPOSE: VERIFY IF OTHER DTCs DISPLAYED
|
Yes | Repair the malfunctioning location according to the applicable DTC troubleshooting. |
| No | DTC troubleshooting completed. |