| Detection condition |
- The TCM detects a parking position sensor circuit malfunction.
Precondition
- Battery voltage is the standard or more.
|
| Fail-safe |
- Inhibits i-stop control. (Without Mazda M Hybrid boost)
- Inhibits AAS.
|
| Possible cause |
- DTC is stored in the TCM. (Sensor power supply No. 1 low or high voltage malfunction) (See P0642-00: ). (See P0643-00: [TCM (NJ8A (X)- EC/NN8A (X)-EC/MM8A (X)-EC)] .)
- Control valve body malfunction (TCM malfunction) (Refer to [CONTROL VALVE BODY REMOVAL/INSTALLATION
] in service information).
- Malfunction in the following automatic transmission component parts (Refer to [AUTOMATIC TRANSMISSION REMOVAL/INSTALLATION
] in service information).
- Parking position sensor
- Parking position sensor circuit (including connector/terminal) (open or short circuit)
- Parking position sensor power supply circuit (including connector/terminal) (open circuit)
|
| 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:
- Switch the ignition ON (engine off or on).
|
| System wiring diagram |
|