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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Hybrid Control System - Diagnostic Codes (5 Of 5) & Circuit Tests) >> HYBRID CONTROL SYSTEM (for 1Motor-HEV Model) >> DTC U115E-87: Lost Communication with Drive Motor Control Module "B" (ch3) Missing Message [09/2023 - ] >> Confirmation Driving Pattern

Confirmation Driving Pattern

WARNING: This page is about a different car, the 2024 Lexus TX 500h. 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. With ignition switch ON and wait for 2 minutes or more [*1].

    HINT: 

    [*1] : Normal judgment procedure.

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

  4. Enter the following menus: Powertrain / Hybrid Control / Utility / All Readiness.
  5. Check the DTC judgment result.

    HINT: 

    • If the judgment result is NORMAL, the system is normal.
    • If the judgment result is ABNORMAL, the system has a malfunction.
    • If the judgment result shows INCOMPLETE, perform the normal judgment procedure again.