DTC P0A2C-247: Drive Motor "A" Temperature Sensor Circuit Low; DTC P0A2D-249: Drive Motor "A" Temperature Sensor Circuit High: Description
The resistance of the thermistor built into the motor temperature sensor changes in accordance with changes in MG2 temperature. The lower the MG2 temperature, the higher the thermistor resistance. Conversely, the higher the temperature, the lower the resistance.
HINT:
The term "drive motor A" indicates MG2.
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0A2C | 247 | Short to GND in the motor temperature sensor circuit |
|
| P0A2D | 249 | Open or short to +B in the motor temperature sensor circuit |
HINT:
After confirming that DTC P0A2C-247 or P0A2D-249 is output, use the Techstream to check "Motor Temp No1" in the HV ECU data list.
| Displayed Temperature | Malfunction |
|---|---|
| -58°F (-50°C) | Open circuit or short to +B |
| 401°F (205°C) | Short to GND |