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Home >> Lexus >> 2000 >> LS 400 >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock >> Diagnostic Tests >> DTC C1225/25: TRAC/VSC Actuator Solenoid Circuit, DTC C1226/26: TRAC/VSC Actuator Solenoid Circuit Or DTC C1227/27: TRAC/VSC Actuator Solenoid Circuit >> Circuit Description

Circuit Description

TRAC/VSC actuator solenoid operation is controlled by ABS/TRAC/VSC ECU. TRAC/VSC actuator solenoid increases and releases fluid pressure to brake calipers. DTC is set when ABS/TRAC/VSC ECU detects open or short circuit in TRAC/VSC actuator solenoid circuit. If a fault occurs in ABS/TRAC actuator 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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