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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Engine Control System - Diagnostic Codes (5 Of 6)) >> SFI System >> DTC P2610-29: ECM/PCM Engine Off Timer Performance Signal Invalid; DTC P2610-93: ECM/PCM Engine Off Timer Performance No Operation [12/2023 - ] >> Confirmation Driving Pattern

Confirmation Driving Pattern

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.

HINT: 

  1. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  2. Turn the ignition switch off and wait for at least 30 seconds.
  3. Put the engine in Inspection Mode (2WD for measuring Exhaust Gas).

    Refer to INSPECTION MODE PROCEDURE [09/2023 - ]

  4. Start the engine and warm it up [A].
  5. Turn the ignition switch off and wait for at least 15 seconds [B].
  6. Put the engine in Inspection Mode (2WD for measuring Exhaust Gas).

    Refer to INSPECTION MODE PROCEDURE [09/2023 - ]

  7. Start the engine [C].
  8. Stop the engine and leave the vehicle for 60 minutes or more [D].
  9. Enter the following menus: Powertrain / Engine / Trouble Codes [E].
  10. 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.
  11. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
  12. Input the DTC: P2610-29 or P2610-93.
  13. Check the DTC judgment result.

    HINT: 

    • If the judgment result shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
    • [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.