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Home >> Lexus >> 2019 >> RX 450h Base >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (Diagnostic Codes) (2 Of 10) >> Hybrid Control System >> DTC P062F-489: Internal Control Module EEPROM Error [12/2017 - ] >> Confirmation Driving Pattern
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Confirmation Driving Pattern

  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream 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 Techstream on.
  6. With power switch on (IG) and wait for 30 seconds or more.
  7. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
  8. Read the current DTCs.

    HINT: 

    • If a current DTC is output, the system is malfunctioning.
    • If a current DTC is not output, perform the following procedure.
  9. Check that permanent DTCs are cleared. If no permanent DTC is output, the system is normal.
  10. If the permanent DTCs are not cleared, perform the universal trip, and then check for permanent DTCs again.
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