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Home >> Lexus >> 1995 >> SC 400 >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Circuit Tests >> DTC 57 - Pressure Sensor Circuit >> Circuit Description
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Circuit Description

Pressure sensor detects TRAC accumulator hydraulic pressure. When pressure is low, ECU operates TRAC pump. DTC is set when TRAC control is executed continuously more than 255 times while pressure sensor ON signal is not output. Cause is pressure sensor.

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