DTC P0A46-171: Drive Motor "B" 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 boost converter.
Refer to DESCRIPTION
If a malfunction occurs in the boost converter, the MG ECU detects it and transmits this information to the hybrid vehicle control ECU assembly.
HINT:
The term "drive motor B" indicates the rear motor (MGR).
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P0A46-171 | Drive Motor "B" Position Sensor Circuit Range / Performance | Boost converter fail signal detected (overcurrent due to rear traction motor malfunction)* (1 trip detection logic) |
|
Comes on | Master Warning Light: Comes on |
*: The rear traction motor with transaxle assembly may be suspected as a main cause of the malfunction.