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Home >> Lexus >> 2023 >> RX 500h >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (6 Of 9) >> SFI SYSTEM (for 1Motor-HEV Model) >> DTC P0606-49: Control Module Processor Internal Electronic Failure [10/2022 - ] >> Confirmation Driving Pattern
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Confirmation Driving Pattern

HINT: 

GTY1131804Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  2. Turn the GTS off.
  3. Turn the ignition switch off.
  4. Disconnect the GTS.
  5. Disconnect the cable from the negative (-) auxiliary battery terminal and wait for 1 minute.
  6. Connect the cable to the negative (-) auxiliary battery terminal.
  7. Put the engine in Inspection Mode (for measuring Exhaust Gas).

    Refer to INSPECTION MODE PROCEDURE [10/2022 - ]

  8. Start the engine and warm it up until the engine coolant temperature reaches 75°C (167°F) or higher [A].
  9. Accelerate to 50 km/h (31 mph) with the accelerator pedal fully depressed [B].
    WARNING:

    When performing the confirmation driving pattern, obey all speed limits and traffic laws.

  10. Change the shift position to M.
  11. Decelerate the vehicle to 20 km/h (12.4 mph) and change the shift position to 3rd (C).
  12. Accelerate to 60 km/h (37 mph) with the accelerator pedal fully depressed [D].
    WARNING:

    When performing the confirmation driving pattern, obey all speed limits and traffic laws.

  13. Enter the following menus: Powertrain / Engine / Trouble Codes [E].
  14. Read the pending DTCs.

    HINT: 

    • If a pending DTC is output, the system is malfunctioning.
    • If a pending DTC is not output, perform the following procedure.
  15. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
  16. Input the DTC: P0606-49.
  17. Check the DTC judgment result.

    HINT: 

    • If the judgment result is NORMAL, the system is normal.
    • If the judgment result is ABNORMAL, the system is malfunctioning.
    • If the judgment result is INCOMPLETE, perform steps [A] through [E] again.
    • [A] to [E]: Normal judgment procedure.

      The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.

    • When clearing the permanent DTCs, do not disconnect the cable from the auxiliary battery terminal or attempt to clear the DTCs during this procedure, as doing so will clear the universal trip and normal judgment histories.