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Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 28 (Hybrid Control System (Lithium-Ion Battery) - Diagnostic Codes (1 Of 6)) >> HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY) >> DTC P0A30-2A: Drive Motor "B" Temperature Sensor Signal Stuck In Range [06/2020 - ] >> Procedure

DTC P0A30-2A: Drive Motor "B" Temperature Sensor Signal Stuck In Range [06/2020 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) 
    1. Check for DTCs.

      Powertrain > Hybrid Control > Trouble Codes 

      Result

      Result Proceed to
      No DTCs are output, or DTCs except the ones in the table below are also output. A
      Any of the following DTCs are also output. B
      Relevant DTC
      P0A30-11 Drive Motor "B" Temperature Sensor Circuit Short to Ground
      P0A30-15 Drive Motor "B" Temperature Sensor Circuit Short to Battery or Open
    2. Turn the ignition switch off.

    Result: 

    B 

    GO TO DTC CHART (HYBRID CONTROL SYSTEM) 

    Refer to DIAGNOSTIC TROUBLE CODE CHART [06/2020 - 12/2021] , or refer to DIAGNOSTIC TROUBLE CODE CHART [12/2021 - 11/2024] , or refer to DIAGNOSTIC TROUBLE CODE CHART [11/2024 - ]

    Result: 

    A 

    See step  2

  2. CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONTROL ECU ASSEMBLY CONNECTOR) 

    See step  1

    Result

    Result Proceed to
    OK A
    NG (The connector is not connected securely.) B
    NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in the connector.) C

    Result: 

    B 

    CONNECT SECURELY 

    Result: 

    C 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    A 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (REAR MOTOR TEMPERATURE SENSOR - HYBRID VEHICLE CONTROL ECU ASSEMBLY) 
    1. Disconnect the A29 hybrid vehicle control ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1115660Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Hybrid Vehicle Control ECU Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A29-42 (RMT) - A29-43 (RMTG) Ignition switch off 0.3443 to 1446 kΩ
    3. Reconnect the A29 hybrid vehicle control ECU assembly connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  10

    Result: 

    OK 

    See step  4

  4. CHECK CONNECTOR CONNECTION CONDITION (NO. 2 FLOOR WIRE CONNECTOR) 
    1. Check the connection condition of the rear motor temperature sensor connector (No. 2 floor wire connector) and the contact pressure of each terminal. Check the terminal for deformation, and check the connector for water ingress and foreign matter.

      Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE [11/2018 - ]

      OK

      - The connector is connected securely.

      - The terminals are not deformed and are connected securely.

      - No water or foreign matter in the connectors.

      GTY842390Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Result

      Result Proceed to
      OK A
      NG (The connector is not connected securely.) B
      NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in the connector.) C

    Result: 

    B 

    CONNECT SECURELY 

    Result: 

    C 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    A 

    See step  5

  5. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - NO. 2 FLOOR WIRE) 
    1. Disconnect the AN3 and AN1 No. 2 floor wire connector.
    2. Disconnect the A29 hybrid vehicle control ECU assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      HINT: 

      When performing the measurement, lightly jiggle the wire harness up and down and left and right and confirm that the resistance does not fluctuate.

      Standard Resistance (Check for Open)

      Tester Connection Condition Specified Condition
      AN3-3 (RMT) - A29-42 (RMT) Ignition switch off Below 1 Ω
      AN1-15 (RMTG) - A29-43 (RMTG) Ignition switch off Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection Condition Specified Condition
      AN3-3 (RMT) or A29-42 (RMT) - Body ground and other terminals Ignition switch off 10 kΩ or higher
      AN1-15 (RMTG) or A29-43 (RMTG) - Body ground and other terminals Ignition switch off 10 kΩ or higher
    4. Reconnect the A29 hybrid vehicle control ECU assembly connector.
    5. Reconnect the AN3 and AN1 No. 2 floor wire connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  6

  6. CHECK CONNECTOR CONNECTION CONDITION (FRAME WIRE CONNECTOR) 
    1. Check the connection condition of the rear motor temperature sensor connector (frame wire connector) and the contact pressure of each terminal. Check the terminals for deformation, and check the connector for water ingress and foreign matter.

      Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE [11/2018 - ]

      OK

      - The connector is connected securely.

      - The terminals are not deformed and are connected securely.

      - No water or foreign matter in the connector.

      GTY842135Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Result

      Result Proceed to
      OK A
      NG (The connector is not connected securely.) B
      NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in the connector.) C

    Result: 

    B 

    CONNECT SECURELY 

    Result: 

    C 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    A 

    See step  7

  7. CHECK HARNESS AND CONNECTOR (FRAME WIRE - NO. 2 FLOOR WIRE) 
    1. Disconnect the ON1 frame wire connector.
    2. Disconnect the AN3 and AN1 No. 2 floor wire connector.
    3. Measure the resistance according to the value(s) in the table below.

      HINT: 

      When performing the measurement, lightly jiggle the wire harness up and down and left and right and confirm that the resistance does not fluctuate.

      Standard Resistance (Check for Open)

      Tester Connection Condition Specified Condition
      ON1-2 (RMT) - AN3-3 (RMT) Ignition switch off Below 1 Ω
      ON1-1 (RMTG) - AN1-15 (RMTG) Ignition switch off Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection Condition Specified Condition
      ON1-2 (RMT) or AN3-3 (RMT) - Body ground and other terminals Ignition switch off 10 kΩ or higher
      ON1-1 (RMTG) or AN1-15 (RMTG) - Body ground and other terminals Ignition switch off 10 kΩ or higher
    4. Reconnect the AN3 and AN1 No. 2 floor wire connector.
    5. Reconnect the ON1 frame wire connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  8

  8. CHECK CONNECTOR CONNECTION CONDITION (REAR MOTOR TEMPERATURE SENSOR CONNECTOR) 
    1. Remove the rear suspension member sub-assembly.

      Refer to REMOVAL [06/2020 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

    2. Check the connection condition of the rear motor temperature sensor connector and the contact pressure of each terminal. Check the terminals for deformation, and check the connector for water ingress and foreign matter.
      GTY842391Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE [11/2018 - ]

      OK

      - The connector is connected securely.

      - The terminals are not deformed and are connected securely.

      - No water or foreign matter in the connector.

      Result

      Result Proceed to
      OK A
      NG (The connector is not connected securely.) B
      NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in the connector.) C
    3. Install the rear suspension member sub-assembly.

    Result: 

    B 

    CONNECT SECURELY 

    Result: 

    C 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    A 

    See step  9

  9. CHECK HARNESS AND CONNECTOR (REAR MOTOR TEMPERATURE SENSOR - FRAME WIRE) 
    1. Disconnect the ON1 frame wire connector.
    2. Remove the rear suspension member sub-assembly.

      Refer to REMOVAL [06/2020 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

    3. Disconnect the O2 rear motor temperature sensor connector.
    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance (Check for Open)

      Tester Connection Condition Specified Condition
      O2-2 (RMT) - ON1-2 (RMT) Ignition switch off Below 1 Ω
      O2-1 (RMTG) - ON1-1 (RMTG) Ignition switch off Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection Condition Specified Condition
      O2-2 (RMT) or ON1-2 (RMT) - Body ground and other terminals Ignition switch off 10 kΩ or higher
      O2-1 (RMTG) or ON1-1 (RMTG) - Body ground and other terminals Ignition switch off 10 kΩ or higher
    5. Reconnect the O2 rear motor temperature sensor connector.
    6. Reinstall the rear suspension member sub-assembly.
    7. Reconnect the ON1 frame wire connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY 

    Refer to REMOVAL [06/2020 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  10. INSPECT REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY (REAR MOTOR TEMPERATURE SENSOR) 
    1. Disconnect the AN3 and AN1 No. 2 floor wire connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      AN3-3 (RMT) - AN1-15 (RMTG) Ignition switch off 0.3443 to 1446 kΩ
    3. Reconnect the AN3 and AN1 No. 2 floor wire connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (NO. 2 FLOOR WIRE - HYBRID VEHICLE CONTROL ECU ASSEMBLY) 

    Result: 

    NG 

    See step  11

  11. INSPECT REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY (REAR MOTOR TEMPERATURE SENSOR) 

    See step  7

    Result

    Proceed to
    OK
    NG

    Result: 

    OK 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (REAR MOTOR TEMPERATURE SENSOR - FRAME WIRE) 

    Result: 

    NG 

    REPLACE REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY 

    Refer to REMOVAL [06/2020 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

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