DTC P0AAC-11: Hybrid/EV Battery Air Temperature Sensor "A" Circuit Short to Ground; DTC P0AAC-15: Hybrid/EV Battery Air Temperature Sensor "A" Circuit Short to Auxiliary Battery or Open [12/2019 - 11/2023]: Description
WARNING: This page is about a different variant/trim than selected.
The inlet air temperature sensor (HV battery) is mounted on the No. 2 hybrid battery intake duct. The resistance of the sensor varies in accordance with changes in the intake air temperature. The characteristics of the inlet air temperature sensor are the same as those of the battery temperature sensors (Refer to DESCRIPTION ). The battery voltage sensor uses signals from the inlet air temperature sensor to control the air volume of the battery cooling blower assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P0AAC-11 | Hybrid/EV Battery Air Temperature Sensor "A" Circuit Short to Ground | The inlet air temperature sensor output voltage is lower than the specified value (short circuit) and the detected temperature is higher than the specified value. (1 trip detection logic) |
|
Does not come on | Master Warning: Comes on |
| P0AAC-15 | Hybrid/EV Battery Air Temperature Sensor "A" Circuit Short to Auxiliary Battery or Open | The inlet air temperature sensor output voltage is higher than the standard value (short to +B or open) and the detected temperature is lower than the specified value. (1 trip detection logic) |
|
Does not come on | Master Warning: Comes on |
HINT:
After checking for the above DTCs, check the hybrid system Data List item "Hybrid Battery Cooling Fan Intake Air Temperature 1" using the GTS.
| Displayed Temperature | Malfunction |
|---|---|
| -45°C (-49°F) or less | Open or +B short circuit |
| 95°C (203°F) or more | GND short |
RELATED DATA LIST
| DTC No. | Data List |
|---|---|
| P0AAC-11 | Hybrid Battery Cooling Fan Intake Air Temperature 1 |
| P0AAC-15 |