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DTC P0A7A-324: Generator Inverter Performance [10/2015 - ]: Procedure

  1. CHECK DTC OUTPUT (HYBRID CONTROL) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
    4. Check for DTCs.

      Result

      Result Proceed to
      P0A7A-203 is not output. A
      P0A7A-203 is also output. B
      NOTE:
      • If P0A7A-203 is output, troubleshoot it first. After completing the troubleshooting for P0A7A-203, perform troubleshooting for this DTC.
      • Parts repaired or replaced during troubleshooting for P0A7A-203 do not need to be re-inspected in this diagnosis procedure.
    5. Turn the power switch off.

    Result: 

    B 

    GO TO DTC CHART (P0A7A-203) 

    (Refer to DTC P0A7A-203: Generator Inverter Performance [10/2015 - ] )

    Result: 

    A 

    See step  2

  2. CHECK DTC OUTPUT (HYBRID CONTROL) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
    4. Check for DTCs.

      HINT: 

      • If P0A7A-203 was not output in step 1 of this diagnosis procedure, check Table 1 below.
      • If P0A7A-203 was output in step 1 of this diagnosis procedure, diagnose that DTC first, then check Table 2 below.

      Result

      Result Proceed to
      P0A7A-324 only is output, or DTCs except the ones in the tables below are also output. A
      Any of the following DTCs are also output. B
      TABLE 1

      DTC No. Relevant Diagnosis
      P06B0-163 Sensor Power Supply "A" Circuit/Open
      P06D6-511 Sensor Reference Voltage "F" Circuit/Open
      P06E6-164 Sensor Power Supply "C" Circuit/Open
      P0A1A-151, 166, 517, 658, 791, 809 Generator Control Module
      P0A1B-198, 503, 505, 547, 554, 786, 794, 806 Drive Motor "A" Control Module
      P0A1D (all INF codes)*1 Hybrid Powertrain Control Module
      P0A3F-243 Drive Motor "A" Position Sensor Circuit
      P0A40-500, 504, 506, 549, 556, 808 Drive Motor "A" Position Sensor Circuit Range/Performance
      P0A41-245 Drive Motor "A" Position Sensor Circuit Low
      P0A4B-253 Generator Position Sensor Circuit
      P0A4C-513, 518, 811 Generator Position Sensor Circuit Range/Performance
      P0A4D-255 Generator Position Sensor Circuit Low
      P0A78-113, 128, 279, 284, 287, 548, 555, 807 Drive Motor "A" Inverter Performance
      P0A7A-122, 130, 322, 325, 810 Generator Inverter Performance
      P0A90-509 Drive Motor "A" Performance
      P0A92-521 Hybrid Generator Performance
      P0BEA-290 Drive Motor "A" Phase V Current Sensor Circuit Range/Performance
      P0BEE-298 Drive Motor "A" Phase W Current Sensor Circuit Range/Performance
      P0C19-306 Drive Motor "A" Torque Delivered Performance
      P0C73-776 Motor Electronics Coolant Pump "A" Control Performance
      P0C76-523 Hybrid Battery System Discharge Time Too Long
      P0CA3-442 DC/DC Converter Step Up Voltage Performance
      P0D2E-586 Drive Motor "A" Inverter Voltage Sensor Circuit Range/Performance
      P0D2F-266 Drive Motor "A" Inverter Voltage Sensor Circuit Low
      P0D30-267 Drive Motor "A" Inverter Voltage Sensor Circuit High
      P0E05-328 Generator Phase V Current Sensor Circuit Range/Performance
      P0E09-336 Generator Phase W Current Sensor Circuit Range/Performance
      P0E32-585 DC/DC Converter Voltage Sensor "A" Range/Performance
      P0E33-589 DC/DC Converter Voltage Sensor "A" Low
      P0E34-590 DC/DC Converter Voltage Sensor "A" High
      P0E71-344 Generator Torque Delivered Performance
      P1C2A-155 Generator A/D Converter Circuit
      P1C2B-192 Drive Motor "A" A/D Converter Circuit
      P1C2D-587 Hybrid Battery Voltage / DC/DC Converter Voltage Correlation
      P1C3C-294 Drive Motor "A" Phase V Current Sensor Correlation
      P1C3D-302 Drive Motor "A" Phase W Current Sensor Correlation
      P1C3E-333 Generator Phase V Current Sensor Correlation
      P1C3F-341 Generator Phase W Current Sensor Correlation
      P1C4A-288 Drive Motor "A" Phase V Current Sensor Sub Circuit Range/Performance
      P1C4F-296 Drive Motor "A" Phase W Current Sensor Sub Circuit Range/Performance
      P1C54-326 Generator Phase V Current Sensor Sub Circuit Range/Performance
      P1C59-334 Generator Phase W Current Sensor Sub Circuit Range/Performance
      P1C6D-501 Drive Motor "A" Phase V Current Sensor Offset Range/Performance
      P1C6E-502 Drive Motor "A" Phase W Current Sensor Offset Range/Performance
      P1C71-515 Generator Phase V Current Sensor Offset Range/Performance
      P1C72-516 Generator Phase W Current Sensor Offset Range/Performance
      P1C73-512 Sensor Standard Voltage "F" Circuit/Open
      P1CA6-156 Generator Control Module Malfunction
      P1CA7-193 Drive Motor Control Module Malfunction
      P1CAC-200 Generator Position Sensor Angle Malfunction
      P1CAD-168 Drive Motor "A" Position Sensor Angle Malfunction
      P1CAF-792 Generator Position Sensor REF Signal Cycle Malfunction
      P1CB0-795 Drive Motor "A" Position Sensor REF Signal Cycle Malfunction
      P1CB2-793 Generator Position Sensor REF Signal Stop Malfunction
      P1CB3-796 Drive Motor "A" Position Sensor REF Signal Stop Malfunction
      P3133-659 Communication Error from Generator to Drive Motor "A"
      P3134-661 Communication Error from Drive Motor "A" to Generator
      P314A-828 Inverter Coolant Pump Speed Signal
      TABLE 2

      DTC No. Relevant Diagnosis
      P06B0-163 Sensor Power Supply "A" Circuit/Open
      P06D6-511 Sensor Reference Voltage "F" Circuit/Open
      P06E6-164 Sensor Power Supply "C" Circuit/Open
      P0A1A-151, 166, 517, 658, 791, 809 Generator Control Module
      P0A1B-198, 503, 505, 547, 554, 786, 794, 806 Drive Motor "A" Control Module
      P0A1D (all INF codes)*1 Hybrid Powertrain Control Module
      P0A3F-243 Drive Motor "A" Position Sensor Circuit
      P0A40-500, 504, 506, 549, 556, 808 Drive Motor "A" Position Sensor Circuit Range/Performance
      P0A41-245 Drive Motor "A" Position Sensor Circuit Low
      P0A4B-253 Generator Position Sensor Circuit
      P0A4C-513, 518, 811 Generator Position Sensor Circuit Range/Performance
      P0A4D-255 Generator Position Sensor Circuit Low
      P0A78-113, 128, 279, 284, 287, 548, 555, 807 Drive Motor "A" Inverter Performance
      P0A7A-122, 130, 322, 325, 810 Generator Inverter Performance
      P0A90-509 Drive Motor "A" Performance
      P0BEA-290 Drive Motor "A" Phase V Current Sensor Circuit Range/Performance
      P0BEE-298 Drive Motor "A" Phase W Current Sensor Circuit Range/Performance
      P0C19-306 Drive Motor "A" Torque Delivered Performance
      P0C73-776 Motor Electronics Coolant Pump "A" Control Performance
      P0C76-523 Hybrid Battery System Discharge Time Too Long
      P0CA3-442 DC/DC Converter Step Up Voltage Performance
      P0D2E-586 Drive Motor "A" Inverter Voltage Sensor Circuit Range/Performance
      P0D2F-266 Drive Motor "A" Inverter Voltage Sensor Circuit Low
      P0D30-267 Drive Motor "A" Inverter Voltage Sensor Circuit High
      P0E32-585 DC/DC Converter Voltage Sensor "A" Range/Performance
      P0E33-589 DC/DC Converter Voltage Sensor "A" Low
      P0E34-590 DC/DC Converter Voltage Sensor "A" High
      P1C2A-155 Generator A/D Converter Circuit
      P1C2B-192 Drive Motor "A" A/D Converter Circuit
      P1C2D-587 Hybrid Battery Voltage / DC/DC Converter Voltage Correlation
      P1C3C-294 Drive Motor "A" Phase V Current Sensor Correlation
      P1C3D-302 Drive Motor "A" Phase W Current Sensor Correlation
      P1C3E-333 Generator Phase V Current Sensor Correlation
      P1C3F-341 Generator Phase W Current Sensor Correlation
      P1C4A-288 Drive Motor "A" Phase V Current Sensor Sub Circuit Range/Performance
      P1C4F-296 Drive Motor "A" Phase W Current Sensor Sub Circuit Range/Performance
      P1C6D-501 Drive Motor "A" Phase V Current Sensor Offset Range/Performance
      P1C6E-502 Drive Motor "A" Phase W Current Sensor Offset Range/Performance
      P1C73-512 Sensor Standard Voltage "F" Circuit/Open
      P1CA6-156 Generator Control Module Malfunction
      P1CA7-193 Drive Motor Control Module Malfunction
      P1CAC-200 Generator Position Sensor Angle Malfunction
      P1CAD-168 Drive Motor "A" Position Sensor Angle Malfunction
      P1CAF-792 Generator Position Sensor REF Signal Cycle Malfunction
      P1CB0-795 Drive Motor "A" Position Sensor REF Signal Cycle Malfunction
      P1CB2-793 Generator Position Sensor REF Signal Stop Malfunction
      P1CB3-796 Drive Motor "A" Position Sensor REF Signal Stop Malfunction
      P3133-659 Communication Error from Generator to Drive Motor "A"
      P3134-661 Communication Error from Drive Motor "A" to Generator
      P314A-828 Inverter Coolant Pump Speed Signal

      HINT: 

      • *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure.
      • P0A7A-324 may be stored due to a malfunction which also causes DTCs in the preceding tables to be stored. In this case, first troubleshoot the output DTCs in the preceding tables. After troubleshooting and repairing all output DTCs, be sure to replace the inverter with converter assembly.
    5. Turn the power switch off.

    Result: 

    B 

    GO TO DTC CHART (HYBRID CONTROL SYSTEM) 

    (Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2015 - ] )

    Result: 

    A 

    See step  3

  3. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR) 

    Refer to PROCEDURE - Step 4

    Result: 

    NG 

    CONNECT SECURELY 

    Result: 

    OK 

    See step  4

  4. CHECK QUANTITY OF HV COOLANT 

    Refer to PROCEDURE - Step 3

    Result: 

    B 

    ADD HV COOLANT 

    Result: 

    C 

    INSPECT FOR HV COOLANT LEAK AND ADD COOLANT 

    Result: 

    A 

    See step  5

  5. CHECK COOLANT HOSE 

    Refer to PROCEDURE - Step 4

    Result: 

    NG 

    CORRECT THE PROBLEM 

    Result: 

    OK 

    See step  6

  6. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE ELECTRIC COOLING FAN) 

    Refer to PROCEDURE - Step 5

    Result: 

    NG 

    CHECK COOLING FAN SYSTEM 

    (Refer to Cooling Fan Circuit [10/2015 - ] )

    Result: 

    OK 

    See step  7

  7. CHECK HV COOLANT (CHECK FOR CONDITIONS THAT MAY HAVE CAUSED FREEZING) 

    Refer to PROCEDURE - Step 16

    Result: 

    B 

    See step  29

    Result: 

    A 

    See step  8

  8. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER) 

    Refer to PROCEDURE - Step 3

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  9

  9. CHECK GENERATOR RESOLVER 

    Refer to PROCEDURE - Step 4

    Result: 

    NG 

    See step  22

    Result: 

    OK 

    See step  10

  10. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER) 

    Refer to PROCEDURE - Step 5

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  11

  11. CHECK MOTOR RESOLVER 

    Refer to PROCEDURE - Step 6

    Result: 

    NG 

    See step  24

    Result: 

    OK 

    See step  12

  12. CHECK INVERTER WITH CONVERTER ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION) 

    Refer to PROCEDURE - Step 9

    Result: 

    B 

    REPLACE MALFUNCTIONING PARTS 

    Result: 

    C 

    CONNECT SECURELY 

    Result: 

    A 

    See step  13

  13. CHECK INVERTER WITH CONVERTER ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) 

    Refer to PROCEDURE - Step 10

    Result: 

    B 

    REPLACE MALFUNCTIONING PARTS 

    Result: 

    C 

    CONNECT SECURELY 

    Result: 

    A 

    See step  14

  14. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG1) 

    Refer to PROCEDURE - Step 11

    Result: 

    NG 

    REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY 

    When Not Using the Engine Support Bridge: Refer to COMPONENTS [10/2014 - ]

    When Using the Engine Support Bridge: Refer to COMPONENTS [10/2015 - ]

    Result: 

    OK 

    See step  15

  15. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG2) 

    Refer to PROCEDURE - Step 12

    Result: 

    NG 

    REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY 

    When Not Using the Engine Support Bridge: Refer to COMPONENTS [10/2014 - ]

    When Using the Engine Support Bridge: Refer to COMPONENTS [10/2015 - ]

    Result: 

    OK 

    See step  16

  16. CHECK FUSE (INV) 

    Refer to PROCEDURE - Step 13

    Result: 

    NG 

    See step  26

    Result: 

    OK 

    See step  17

  17. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY POWER SOURCE CIRCUIT) 

    Refer to PROCEDURE - Step 14

    Result: 

    NG 

    REPAIR OR REPLACE POWER SOURCE CIRCUIT 

    Result: 

    OK 

    See step  18

  18. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - INVERTER WITH CONVERTER ASSEMBLY) 

    Refer to PROCEDURE - Step 15

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  19

  19. CHECK HYBRID VEHICLE CONTROL ECU ASSEMBLY 

    Refer to PROCEDURE - Step 16

    Result: 

    NG 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY 

    (Refer to COMPONENTS [10/2015 - ] )

    Result: 

    OK 

    See step  20

  20. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR) 

    Refer to PROCEDURE - Step 7

    Result: 

    NG 

    CONNECT SECURELY 

    Result: 

    OK 

    See step  21

  21. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR) 

    Refer to PROCEDURE - Step 8

    Result: 

    OK 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    (Refer to COMPONENTS [10/2014 - ] )

    Result: 

    NG 

    CONNECT SECURELY 

  22. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR) 

    Refer to PROCEDURE - Step 9

    Result: 

    NG 

    CONNECT SECURELY 

    Result: 

    OK 

    See step  23

  23. INSPECT HYBRID VEHICLE TRANSAXLE ASSEMBLY (GENERATOR RESOLVER) 

    Refer to PROCEDURE - Step 10

    Result: 

    OK 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    NG 

    REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY 

    When Not Using the Engine Support Bridge: Refer to COMPONENTS [10/2014 - ]

    When Using the Engine Support Bridge: Refer to COMPONENTS [10/2015 - ]

  24. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR) 

    Refer to PROCEDURE - Step 11

    Result: 

    NG 

    CONNECT SECURELY 

    Result: 

    OK 

    See step  25

  25. INSPECT HYBRID VEHICLE TRANSAXLE ASSEMBLY (MOTOR RESOLVER) 

    Refer to PROCEDURE - Step 12

    Result: 

    OK 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    NG 

    REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY 

    When Not Using the Engine Support Bridge: Refer to COMPONENTS [10/2014 - ]

    When Using the Engine Support Bridge: Refer to COMPONENTS [10/2015 - ]

  26. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - INV FUSE) 

    Refer to PROCEDURE - Step 23

    Result: 

    NG 

    See step  28

    Result: 

    OK 

    See step  27

  27. REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    (Refer to COMPONENTS [10/2014 - ] )

    NEXT 

    REPLACE FUSE (INV) 

  28. REPAIR OR REPLACE HARNESS OR CONNECTOR 

    NEXT 

    REPLACE FUSE (INV) 

  29. REPLACE HV COOLANT 

    Refer to PROCEDURE - Step 7

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