Lexus NX: Power Source & Network

 Brake Booster Pump Motor on Time Abnormally Long (C1252,C1253)

DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) detects decreases in the accumulator pressure according to the data from the accumulator pressure sensor, and then starts and stops the pump motor by operating the motor relay. DTC No. Detection Item INF Code DTC

 Precaution

PRECAUTION PRECAUTIONS FOR VEHICLE PROXIMITY NOTIFICATION SYSTEM (a) In the following cases, the volume or tone of the sound might change: (1) If the vehicle is parked in a very hot or cold environment for an extended time (function will return to normal after time passes) (2) If high pressure water