| Detection condition |
- Any one of the following conditions is met:
- When the accelerator pedal is depressed, the engine or motor revs and the vehicle cannot drive in reverse.
- While the vehicle is driven in any of the following gears, a gear ratio malfunction is determined.
- 4th gear
- 5th gear
- 6th gear
- 7th gear
- 8th gear
|
| Fail-safe |
- Inhibits malfunctioning gear.
- Limits engine torque.
- Inhibits learning control.
- Inhibits manual mode.
- Inhibits switching from engine-only driving to EV driving. (With Mazda M Hybrid boost)
- Inhibits i-stop control. (Without Mazda M Hybrid boost)
- Inhibits AAS.
|
| Possible cause |
- ATF is less than Specified value. (Refer to [AUTOMATIC TRANSMISSION FLUID (ATF) INSPECTION
] in service information).
- Control valve body malfunction (Shift solenoid No. 5 malfunction) (Refer to [CONTROL VALVE BODY REMOVAL/INSTALLATION
] in service information).
- Automatic transmission malfunction (ATF leakage from clutch hydraulic circuit in automatic transmission) (Refer to [AUTOMATIC TRANSMISSION 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. (Use all gears from 3th to 4th gear)
|
| System wiring diagram |
|