| Detection condition |
- Electric AT oil pump feedback signal is not notified.
Precondition
- Electric AT oil pump relay is ON.
- Electric AT oil pump is operating
|
| Fail-safe |
- Inhibits switching from engine-only driving to EV driving. (With Mazda M Hybrid boost)
- Inhibits i-stop control. (Without Mazda M Hybrid boost)
|
| Possible cause |
- Malfunction in wiring harness (including connector/terminal) between electric At oil pump and TCM (See CIRCUIT INSPECTION
.) (See CONNECTOR INSPECTION
.)
- Electric AT oil pump malfunction (Refer to [ELECTRIC AT OIL PUMP REMOVAL/INSTALLATION
] in service information).
- Control valve body malfunction (TCM malfunction) (Refer to [CONTROL VALVE BODY REMOVAL/INSTALLATION
] in service information).
|
| Repeatability verification procedure |
- Clear the DTC recorded in the memory. (See CLEARING DTC
.)
- Perform the following procedure to ensure that the DTC has been resolved:
- Drive the vehicle under the following condition:
- Vehicle speed: 30 km/h {19 mph} or more
|
 Courtesy of MAZDA MOTORS CORP.
|
| 1 |
TCM |
| 2 |
Electric AT oil pump |