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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Engine Control System - Diagnostic Codes (1 Of 6)) >> SFI System >> DTC P0088-00: Fuel Rail / System Pressure - Too High [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. Record the Freeze Frame Data.
  2. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  3. Turn the ignition switch off and wait for at least 30 seconds.
  4. Put the engine in Inspection Mode (2WD for measuring Exhaust Gas).

    Refer to INSPECTION MODE PROCEDURE [09/2023 - ]

  5. Start the engine.
  6. Based on engine speed, engine load and other freeze frame data stored in the ECM, reproduce the conditions present when the DTC was stored (Press the EV/HV mode selection switch to select HV mode, if needed.).
  7. Enter the following menus: Powertrain / Engine / Trouble Codes.
  8. 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.
  9. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
  10. Input the DTC: P0088-00.
  11. 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.