FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Lexus
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1999
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LS 400 V8-4.0L (1UZ-FE)
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - Brakes and Traction Control
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ABS Main Relay
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Description and Operation
ABS Main Relay: Description and Operation
CIRCUIT DESCRIPTION
The
ABS motor relay
supplies power to the ABS pump motor. While the ABS & TRAC & VSC are activated, the ECU switches the motor relay ON and operates the ABS pump motor.