HYBRID CONTROL SYSTEM, Diagnostic DTC:P0A31-668, P0A34-667

DTC Code DTC Name
P0A31-668 Drive Motor "B" Temperature Sensor Circuit Range / Performance
P0A34-667 Drive Motor "B" Temperature Sensor Circuit Intermittent

DESCRIPTION

Refer to the description for DTC P0A2B-250.

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Tech Tips

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

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0A31-668 Drive Motor "B" Temperature Sensor Circuit Range / Performance

Rear motor temperature sensor output does not increase under conditions in which the value should increase.

(1 trip detection logic)

 Rear traction motor with transaxle assembly (Rear motor temperature sensor) Does not come on

Master Warning Light:

Comes on
P0A34-667 Drive Motor "B" Temperature Sensor Circuit Intermittent

Unusual sudden change in rear motor temperature sensor output occurs and the condition continues, or unusual sudden change in motor temperature sensor output occurs repeatedly.

(1 trip detection logic)

 Rear traction motor with transaxle assembly (Rear motor temperature sensor) Does not come on

Master Warning Light:

Comes on
Related Data List
DTC No. Data List
P0A31-668 Rear Motor Temp
P0A34-667

CAUTION / NOTICE / HINT

Tech Tips


  • If DTC P0A31-668 is output, clear the DTCs, perform the following procedure, and check that the same DTC is not output after the repair.


    1. Drive the vehicle (stop and go driving) on urban roads for approximately 5 minutes. If the Data List item "Rear Motor Temp" shows both increases and decreases in temperature, suspected areas indicated by this DTC are not malfunctioning.

  • If DTC P0A34-667 is output, clear the DTCs, perform the following procedure, and check that the same DTC is not output after the repair.


    1. Turn the power switch on (READY) and wait for 30 seconds or more.

    2. Drive the vehicle for approximately 5 minutes according to the freeze frame data items "Vehicle Spd", "Rear Motor Temp".

PROCEDURE


  1. REPLACE REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY


    1. Replace the rear traction motor with transaxle assembly.

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      Tech Tips

      The rear motor temperature sensor is not available as a supply part. If it requires replacement, replace the rear traction motor with transaxle assembly.

      Result
      Proceed to
      NEXT

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    COMPLETED