HYBRID CONTROL SYSTEM, Diagnostic DTC:P0A32-666, P0A33-665

DTC Code DTC Name
P0A32-666 Drive Motor "B" Temperature Sensor Circuit Low
P0A33-665 Drive Motor "B" Temperature Sensor Circuit High

DESCRIPTION

Refer to the description for DTC P0A31-668 Click here.

Tech Tips

The term "drive motor B" indicates MGR.

DTC No. INF Code DTC Detection Condition Trouble Area
P0A32 666 Short or GND short in rear motor temperature sensor circuit

  • Wire harness or connector

  • Power management control ECU

  • Rear traction motor with transaxle assembly (Rear motor temperature sensor)
P0A33 665 Open or +B short in rear motor temperature sensor circuit

Tech Tips

After confirming that DTC P0A32-666 or P0A33-665 is output, use the intelligent tester to check "Rear Motor Temp" in the power management control ECU Data List.

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

WIRING DIAGRAM

A01NEO0E04

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR)


    1. Check the connections of the power management control ECU connectors.

      A01NF3IE01
      Text in Illustration
      *1 for LHD *2 for RHD
      OK
      The connectors are connected securely and there are no contact problems.

    NG

    CONNECT SECURELY

    OK

  2. READ VALUE USING INTELLIGENT TESTER (REAR MOTOR TEMP)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Data List / Rear Motor Temp.

    4. Read the Data List.

      Result
      Result Proceed to
      -40°C (-40°F) A
      215°C (419°F) B
      Same as actual temperature C

    5. Turn the power switch off.


    B

    READ VALUE USING INTELLIGENT TESTER (CHECK FOR SHORT) Click here

    C

    CHECK FOR INTERMITTENT PROBLEMS Click here

    A

  3. READ VALUE USING INTELLIGENT TESTER (CHECK FOR OPEN)


    1. A01NFMD

      Disconnect the rear motor temperature sensor connector.

    2. A01NFQSE01

      Connect terminals 1 (RMT) and 3 (RMTG) of the vehicle side connector of the rear motor temperature sensor.

    3. Connect the intelligent tester to the DLC3.

    4. Turn the power switch on (IG).

    5. Enter the following menus: Powertrain / Hybrid Control / Data List / Rear Motor Temp.

    6. Read the Data List.

      OK
      Tester Display Condition Specified Condition
      Rear Motor Temp

      Terminals RMT and RMTG connected.

      Power switch on (IG)

      		 215°C (419°F)
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Rear Motor Temperature Sensor)

      Tech Tips

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

    7. Turn the power switch off.

    8. Connect the rear motor temperature sensor connector.


    NG

    CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - REAR MOTOR TEMPERATURE SENSOR) Click here

    OK

    REPLACE REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY Click here

  4. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - REAR MOTOR TEMPERATURE SENSOR)


    1. A01NERPE12
      Text in Illustration
      *1

      Component with harness connected

      (Power Management Control ECU)

      Connect terminals 22 (RMT) and 23 (RMTG) of the connector A80 of the power management control ECU.

    2. Connect the intelligent tester to the DLC3.

    3. Turn the power switch on (IG).

    4. Enter the following menus: Powertrain / Hybrid Control / Data List / Rear Motor Temp.

    5. Read the Data List.

      OK
      Tester Display Condition Specified Condition
      Rear Motor Temp

      Terminals RMT and RMTG connected.

      Power switch on (IG)

      		 215°C (419°F)
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    6. Turn the power switch off.


    B

    REPLACE POWER MANAGEMENT CONTROL ECU (for LHD) Click here

    C

    REPLACE POWER MANAGEMENT CONTROL ECU (for RHD) Click here

    A

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  5. READ VALUE USING INTELLIGENT TESTER (CHECK FOR SHORT)


    1. A01NFMD

      Disconnect the rear motor temperature sensor connector.

    2. Connect the intelligent tester to the DLC3.

    3. Turn the power switch on (IG).

    4. Enter the following menus: Powertrain / Hybrid Control / Data List / Rear Motor Temp.

    5. Read the Data List.

      OK
      Tester Display Condition Specified Condition
      Rear Motor Temp Power switch on (IG) -40°C (-40°F)

      Tech Tips

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

    6. Turn the power switch off.

    7. Connect the rear motor temperature sensor connector.


    NG

    CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - REAR MOTOR TEMPERATURE SENSOR) Click here

    OK

    REPLACE REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY Click here

  6. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - REAR MOTOR TEMPERATURE SENSOR)


    1. Disconnect the rear motor temperature sensor connector.

    2. Disconnect connector A80 from the power management control ECU.

    3. A01NF0XE01
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Rear Motor Temperature Sensor)
      *2

      Rear view of wire harness connector

      (to Power Management Control ECU)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance (Check for Open)
      Tester Connection Switch Condition Specified Condition
      g10-1 (RMT) - A80-22 (RMT) Power switch off Below 1 Ω
      g10-3 (RMTG) - A80-23 (RMTG) Power switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Switch Condition Specified Condition
      g10-1 (RMT) or A80-22 (RMT) - Body ground and other terminals Power switch off 10 kΩ or higher
      g10-3 (RMTG) or A80-23 (RMTG) - Body ground and other terminals Power switch off 10 kΩ or higher
      Result
      Result Proceed to
      OK (for LHD) A
      OK (for RHD) B
      NG C

    4. Connect the power management control ECU connector.

    5. Connect the rear motor temperature sensor connector.


    B

    REPLACE POWER MANAGEMENT CONTROL ECU (for RHD) Click here

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    A

    REPLACE POWER MANAGEMENT CONTROL ECU (for LHD) Click here