HYBRID CONTROL SYSTEM, Diagnostic DTC:P0A31-668 and 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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Tip:

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

Table 1. Related Data List

DTC No.

Data List

P0A31-668

Rear Motor Temp

P0A34-667

CAUTION / NOTICE / HINT

Tip:
  • 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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    Tip:

    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

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    COMPLETED