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Home >> Lexus >> 1999 >> LS 400 >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock >> Diagnostic Tests >> DTC C0226/21: Right Front Abs Solenoid Circuit, DTC C0236/22: Left Front Abs Solenoid Circuit, DTC C0246/23: Right Rear Abs Solenoid Circuit Or DTC C0256/24: Left Rear Abs Solenoid Circuit >> Circuit Description

Circuit Description

ABS solenoid turns on when signal is received from ABS/TRAC/VSC ECU. Solenoid controls fluid pressure acting on brake calipers. DTC is set when system is operating and ABS/TRAC/VSC ECU detects an open or short circuit in ABS solenoid circuit for .05 seconds or more. If a fault occurs in ABS solenoid circuit, ABS/TRAC/VSC ECU performs a fail safe function, turning off current to ABS solenoid relay and prohibiting ABS, TRAC and VSC. Possible causes are:

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