HYBRID CONTROL SYSTEM, Diagnostic DTC:P0E311C

DTC Code DTC Name
P0E311C Boosting Converter Voltage Sensor "A" Voltage Out of Range

DTC SUMMARY


  1. MALFUNCTION DESCRIPTION

    The hybrid vehicle control ECU detects a VL sensor malfunction.

    The cause of this malfunction may be one of the following:


      Inverter voltage (VL) sensor internal circuit malfunction

    • Voltage sensor malfunction

    • Motor generator control ECU (MG ECU) malfunction

    • Communication (wire harness) malfunction


      High voltage system malfunction

    • Inverter with converter assembly malfunction

DESCRIPTION

Refer to the description for DTC P0E3116.

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DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0E311C Boosting Converter Voltage Sensor "A" Voltage Out of Range

Boost converter voltage (VL) sensor performance malfunction:

When not boosting, difference between "VL-Voltage before Boosting" and "Hybrid Battery Voltage" is large and difference between "VL-Voltage before Boosting" and "VH-Voltage after Boosting" is large.

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
Related Data List
DTC No. Data List
P0E311C

  • VL-Voltage before Boosting

  • Hybrid Battery Voltage

  • VH-Voltage after Boosting

  • Boost Ratio

CONFIRMATION DRIVING PATTERN

Tech Tips

After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.

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  1. Connect the GTS to the DLC3.

  2. Turn the power switch on (IG) and turn the GTS on.

  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).

  4. Turn the power switch off and wait for 2 minutes or more.

  5. Turn the power switch on (IG) and turn the GTS on.

  6. Turn the power switch on (READY).

  7. With the shift lever in D, depress both the accelerator pedal and brake pedal at the same time to raise the "Hybrid Battery SOC" to a sufficient level.

  8. Move the shift lever to P, check that the engine is stopped and move the shift lever to N.

  9. Set the A/C for maximum cooling.

  10. Leave the vehicle for a few minutes.

    Tech Tips

    When the accelerator pedal is not depressed with the power switch on (READY) and shift lever in P, if "VL-Voltage before Boosting" and the "Hybrid Battery Voltage" is approximately the same after repair, the condition is judged as normal.

  11. Enter the following menus: Powertrain / Hybrid Control / Utility / All Readiness.

  12. Check the DTC judgment result.

    Tech Tips


    • If the judgment result shows NORMAL, the system is normal.

    • If the judgment result shows ABNORMAL, the system has a malfunction.

    • If the judgment result shows INCOMPLETE or N/A, perform driving pattern again.

PROCEDURE


  1. CHECK DTC OUTPUT (HYBRID CONTROL, MOTOR GENERATOR)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control and Motor Generator / Trouble Codes.

    4. Check for DTCs.


      Powertrain > Hybrid Control > Trouble Codes
      Powertrain > Motor Generator > Trouble Codes
      Result
      Result Proceed to
      P0E311C only is output, or DTCs except the ones in the table below are also output. A
      DTCs of hybrid control system in the tables below are output. B
      DTCs of motor generator control system in the tables below are output. C
      Malfunction Content System Relevant DTC
      Microcomputer malfunction Hybrid control system P0A1B49 Drive Motor "A" Control Module Internal Electronic Failure
      P0AFC00 Hybrid/EV Battery Sensor Module
      P0AFC96 Hybrid/EV Battery Sensor Module Component Internal Failure
      P060647 Hybrid/EV Powertrain Control Module Processor Watchdog / Safety MCU Failure
      Motor generator control system P0A1B1F Generator Control Module Circuit Intermittent
      P0A1A47 Generator Control Module Watchdog / Safety μC Failure
      P0A1A49 Generator Control Module Internal Electronic Failure
      P1C2A1C Generator A/D Converter Circuit Circuit Voltage Out of Range
      P1C2A49 Generator A/D Converter Circuit Internal Electronic Failure
      P313383 Communication Error from Generator to Drive Motor "A" Value of Signal Protection Calculation Incorrect
      P313386 Communication Error from Generator to Drive Motor "A" Signal Invalid
      P313387 Communication Error from Generator to Drive Motor "A" Missing Message
      Power source circuit malfunction Hybrid control system P0AFC16 Hybrid/EV Battery Sensor Module Circuit Voltage Below Threshold
      Motor generator control system P06D61C Generator Control Module Offset Power Circuit Voltage Out of Range
      Communication system malfunction Hybrid control system P312387 Lost Communication with Drive Motor Control Module "A" from Hybrid/EV Control Module Missing Message
      U029A87 Lost Communication with Hybrid/EV Battery Sensor Module Missing Message
      Sensor and actuator circuit malfunction Hybrid control system P0B3B14 Hybrid/EV Battery Voltage Sensor "A" Circuit Short to Ground or Open
      P0B4014 Hybrid/EV Battery Voltage Sensor "B" Circuit Short to Ground or Open
      P0B4514 Hybrid/EV Battery Voltage Sensor "C" Circuit Short to Ground or Open
      P0B4A14 Hybrid/EV Battery Voltage Sensor "D" Circuit Short to Ground or Open
      P0B4F14 Hybrid/EV Battery Voltage Sensor "E" Circuit Short to Ground or Open
      P0B5414 Hybrid/EV Battery Voltage Sensor "F" Circuit Short to Ground or Open
      P0B5914 Hybrid/EV Battery Voltage Sensor "G" Circuit Short to Ground or Open
      P0B5E14 Hybrid/EV Battery Voltage Sensor "H" Circuit Short to Ground or Open
      P0B6314 Hybrid/EV Battery Voltage Sensor "I" Circuit Short to Ground or Open
      P0B6814 Hybrid/EV Battery Voltage Sensor "J" Circuit Short to Ground or Open
      P308A13 Hybrid/EV Battery Voltage Sensor All Circuit Open
      P0AFC62 Hybrid/EV Battery Sensor Module Signal Compare Failure
      P308A12 Hybrid/EV Battery Voltage Sensor All Circuit Short to Auxiliary Battery
      System malfunction Motor generator control system P0D2D16 Drive Motor "A" Inverter Voltage Sensor (VH) Circuit Voltage Below Threshold
      P0D2D17 Drive Motor "A" Inverter Voltage Sensor (VH) Circuit Voltage Above Threshold
      P0E3116 DC/DC Converter Voltage Sensor "A" (VL) Circuit Voltage Below Threshold
      P0E3117 DC/DC Converter Voltage Sensor "A" (VL) Circuit Voltage Above Threshold

      Tech Tips


      • P0E311C may be output as a result of the malfunction indicated by the DTCs above.


        1. The chart above is listed in inspection order of priority.

        2. Check DTCs that are output at the same time by following the listed order. (The main cause of the malfunction can be determined without performing unnecessary inspections.)

    5. Turn the power switch off.


    A

    REPLACE INVERTER WITH CONVERTER ASSEMBLY Click here

    B

    GO TO DTC CHART (HYBRID CONTROL SYSTEM) Click here

    C

    GO TO DTC CHART (MOTOR GENERATOR CONTROL SYSTEM) Click here