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Home >> Lexus >> 2022 >> LS 500h RWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/O Advanced Park) - Diagnostic Codes (2 Of 3) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Advanced Park) >> DTC C1315: SMC1 Changeover Solenoid; DTC C1316: SMC2 Changeover Solenoid; DTC C1352: Increasing Pressure Solenoid (FR); DTC C1353: Increasing Pressure Solenoid (FL); DTC C1354: Increasing Pressure Solenoid (RR); DTC C1355: Increasing Pressure Solenoid (RL); DTC C1356: Decreasing Pressure Solenoid (FR); DTC C1357: Decreasing Pressure Solenoid (FL); DTC C1358: Decreasing Pressure Solenoid (RR); DTC C1359: Decreasing Pressure Solenoid (RL) [10/2020 - 10/2023] >> Confirmation Driving Pattern

Confirmation Driving Pattern

  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG).
  3. Turn the Techstream on.
  4. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  5. Turn the power switch off.
  6. Turn the power switch on (READY).
  7. Depress the brake pedal 1 or more times.
  8. Operate the ABS using a drum tester or equivalent.
  9. Drive the vehicle at a speed of 3 km/h (2 mph) or more for 1 minute.
  10. Turn the Techstream on.
  11. Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.
  12. Read the DTCs.

    HINT: 

    • If a DTC is output, the system is malfunctioning.
    • If a DTC is not output, perform the following procedure.
  13. If the DTCs are not output, perform a universal trip and check for permanent DTCs.

    Refer to DTC CHECK / CLEAR [10/2020 - 10/2023]

    HINT: 

    • If a permanent DTC is output, the system is malfunctioning.
    • If no permanent DTCs are output, the system is normal.
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