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 1-6
- Perform an inspection of the connectors and wiring harnesses between the revolution sensor and the PCM.
- Step 7
- Verify the revolution sensor installation condition.
- Step 8
- Perform a unit inspection of the revolution sensor.
- Step 9
- Inspect the manual transaxle for a malfunction depending on repeatability.
- 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: INSPECT REVOLUTION SENSOR CONNECTOR FOR MALFUNCTION
|
Yes | Go to the next step. |
| No | Repair or replace the malfunctioning location and perform the repair completion verification 1. | ||
| 2 | PURPOSE: INSPECT REVOLUTION SENSOR POWER SUPPLY CIRCUITS, SIGNAL CIRCUITS, AND GROUND CIRCUITS FOR SHORT TO GROUND
|
Yes | Go to the next step. |
| No | Repair or replace the malfunctioning location and perform the repair completion verification 1. | ||
| 3 | PURPOSE: INSPECT PCM CONNECTOR FOR MALFUNCTION
|
Yes | Go to the next step. |
| No | Repair or replace the malfunctioning location and perform the repair completion verification 1. | ||
| 4 | PURPOSE: INSPECT REVOLUTION SENSOR POWER SUPPLY CIRCUITS, SIGNAL CIRCUITS, AND GROUND CIRCUITS FOR SHORT TO POWER SUPPLY
|
Yes | Go to the next step. |
| No | Repair or replace the malfunctioning location and perform the repair completion verification 1. | ||
| 5 | PURPOSE: INSPECT REVOLUTION SENSOR POWER SUPPLY CIRCUITS, SIGNAL CIRCUITS, AND GROUND CIRCUITS FOR SHORT CIRCUIT
|
Yes | Go to the next step. |
| No | Repair or replace the malfunctioning location and perform the repair completion verification 1. | ||
| 6 | PURPOSE: INSPECT REVOLUTION SENSOR POWER SUPPLY CIRCUITS, SIGNAL CIRCUITS, AND GROUND CIRCUITS FOR OPEN CIRCUIT
|
Yes | Go to the next step. |
| No | Repair or replace the malfunctioning location and perform the repair completion verification 1. | ||
| 7 | PURPOSE: VERIFY IF REVOLUTION SENSOR IS INSTALLED CORRECTLY
|
Yes | Go to the next step. |
| No | Correctly install the revolution sensor and perform the repair completion verification 1. (See REVOLUTION SENSOR INSPECTION [C66M-R].) |
||
| 8 | PURPOSE: INSPECT REVOLUTION SENSOR FOR MALFUNCTION
|
Yes | Go to the next step. |
| No | Repair or replace the malfunctioning location and perform the repair completion verification 1. (See REVOLUTION SENSOR INSPECTION [C66M-R].) |
||
| 9 | PURPOSE: INSPECT MANUAL TRANSAXLE FOR MALFUNCTION DEPENDING ON REPEATABILITY
|
Yes | Replace the manual transaxle and perform the repair completion verification 1. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION (ET6A-EL) (US) , AUTOMATIC TRANSAXLE SYSTEM (SERVICE INFORMATION) (EV6A-EL, EV6AX-EL) , AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION (ET6AX-EL) (US) .) |
| No | Go to repair completion verification 2. | ||
| 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, perform the diagnosis from Step 1.
|
| 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. |