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Home >> Toyota >> 2016 >> Highlander Hybrid Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 79 (Hybrid Control System (2GR-FXS) - Diagnostic Codes (3 Of 7)) >> Hybrid Control System >> DTC P0A91-705: Drive Motor "B" Performance [11/2016 - ] >> Description

DTC P0A91-705: Drive Motor "B" 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 rear motor (MGR), refer to DESCRIPTION .

The MG ECU controls the rear motor (MGR) torque according to driving conditions.

HINT: 

The term "drive motor B" indicates the rear motor (MGR).

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0A91-705 Drive Motor "B" Performance Rear motor magnetic force deterioration or same phase short circuit:
Magnetic force of the rear motor decreases or a coil circuit in one of the 3 phases remains shorted for a certain period of time.
(1 trip detection logic)
  • No. 6 floor wire
  • Rear traction motor with transaxle assembly
  • Extension wire assembly
  • Inverter with converter assembly
  • Hybrid vehicle control ECU assembly
  • Wire harness or connector
Comes on Master Warning Light:
Comes on