LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 108 (Electronically Controlled Brake System (Hybrid) - Diagnostic Codes (2 Of 5)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C1349: Pressure Holding Solenoid Valve Learning Undone; DTC C134A: Pressure Holding Solenoid Valve Learning Malfunction [06/2018 - ] >> Monitor Description

Monitor Description

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

SAE Code C1349: 

  1. After any of the following situations, if learning of the ABS holding solenoid for one wheel or more is not stored and the vehicle is being driven at a certain speed or more, the skid control ECU (brake booster with master cylinder assembly) judges that the learning of the ABS holding solenoid valve is not performed and illuminates the MIL and stores this DTC.
    1. The skid control ECU (brake booster with master cylinder assembly) has been replaced with a new one.
    2. After the brake actuator assembly, brake pedal stroke sensor assembly or brake pedal is removed and installed or replaced, the zero point is cleared.

C1349 (INF Code 1155): 

  1. After any of the following situations, if learning of the ABS holding solenoid for one wheel or more has not been performed, or learning has been performed but no learning value was stored, the skid control ECU (brake booster with master cylinder assembly) judges that the learning of the ABS holding solenoid valve is not performed and illuminates the ABS warning, brake warning / red (malfunction), brake warning / yellow (minor malfunction) and slip indicator lights, blinks* the brake hold operated indicator light and stores this DTC.
    1. The skid control ECU (brake booster with master cylinder assembly) has been replaced with a new one.
    2. After the brake actuator assembly, brake pedal stroke sensor assembly or brake pedal is removed and installed or replaced, the zero point is cleared.

      HINT: 

      • *: The brake hold switch (No. 3 combination switch assembly) is turned on under the following vehicle conditions.
        1. Vehicle Conditions:
          1. The driver side door is closed.
          2. The driver side seat belt is fastened.
      • As the detection conditions slightly differ from SAE code C1349, the detection conditions for DTC C1349 (INF code 1155) is also provided.
scientia non olet · About LEMON Manuals