DTC P0A40-504: Drive Motor "A" Position Sensor Circuit Range / Performance [11/2016 - ]: Description
WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
For a description of the inverter.
Refer to DESCRIPTION
If a malfunction occurs in the motor inverter or generator inverter, the MG ECU detects it and transmits this information to the hybrid vehicle control ECU assembly.
HINT:
The term "drive motor A" indicates the motor (MG2).
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P0A40-504 | Drive Motor "A" Position Sensor Circuit Range / Performance | Motor inverter overvoltage signal detected (overvoltage due to hybrid vehicle transaxle assembly malfunction): Overvoltage is detected after boosting.* (1 trip detection logic) |
|
Comes on | Master Warning Light: Comes on |
*: The hybrid vehicle transaxle assembly is suspected to be the main cause of the malfunction.
RELATED DATA LIST
| DTC No. | Data List |
|---|---|
| P0A40-504 | VH-Voltage after Boosting |