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Home >> Toyota >> 2016 >> Highlander Hybrid Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (Hybrid Control System (2GR-FXS) - Diagnostic Codes (6 Of 6)) >> Hybrid Control System >> DTC P0A32-666: Drive Motor "B" Temperature Sensor Circuit Low; DTC P0A33-665: Drive Motor "B" Temperature Sensor Circuit High [11/2016 - ] >> Description

DTC P0A32-666: Drive Motor "B" Temperature Sensor Circuit Low; DTC P0A33-665: Drive Motor "B" Temperature Sensor Circuit High [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.

Refer to the description for DTC P0A2B-250.

Refer to DESCRIPTION

HINT: 

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

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0A32-666 Drive Motor "B" Temperature Sensor Circuit Low Line short or short to ground in rear motor temperature sensor circuit
(1 trip detection logic)
  • Wire harness or connector
  • Hybrid vehicle control ECU assembly
  • Rear traction motor with transaxle assembly (Rear motor temperature sensor)
Does not come on Master Warning Light:
Comes on
P0A33-665 Drive Motor "B" Temperature Sensor Circuit High Open or short to +B in rear motor temperature sensor circuit
(1 trip detection logic)
  • Wire harness or connector
  • Hybrid vehicle control ECU assembly
  • Rear traction motor with transaxle assembly (Rear motor temperature sensor)
Does not come on Master Warning Light:
Comes on

HINT: 

After confirming that DTC P0A32-666 or P0A33-665 is output, use the Techstream to check "Rear Motor Temp" in the Data List.

Displayed Temperature Malfunction
-40°C (-40°F) Open circuit or short to +B
215°C (419°F) Short circuit or short to ground