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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 71 (Plug-In Charge Control System - Diagnostic Codes (3 Of 3) & Symptom Tests) >> PLUG-IN CHARGE CONTROL SYSTEM (for PHEV Model) >> DTC P1CE9-31: Charger Cooling Fan Revolution Signal No Signal; DTC P1CE9-96: Charger Cooling Fan Revolution Signal Component Internal Failure [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: 

After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.

Refer to UTILITY [12/2023 - ]

  1. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  2. Enter the following menus: Powertrain / Hybrid Control / Data List.
  3. Check that "Hybrid/EV Battery SOC" shows 70% or less.
  4. Turn the ignition switch off and wait for 2 minutes or more.
  5. Connect the electric vehicle charger cable assembly, and plug-in charge the vehicle for 30 minutes or more.

    HINT: 

    If "PFC Boosting Circuit Temperature" or "DC/DC Converter Temperature (for Charging)" becomes 55°C (131°F) or more, the cooling fun rotates and a malfunction could be detected.

  6. Disconnect the electric vehicle charger cable assembly and wait for 10 seconds or more.
  7. Enter the following menus: Powertrain / Plug-in Control / Utility / All Readiness.
  8. 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.
    • If the judgment result shows INCOMPLETE, perform driving pattern again.