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Home >> Lexus >> 2003 >> LS 430 >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> System Testing >> Test I: VSC Off Indicator Light, VSC Off Switch Circuit >> Circuit Description
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Circuit Description

This is the TRAC & VSC control main switch. Pressing the VSC OFF switch stops TRAC & VSC operation and turns the VSC OFF indicator on. The VSC OFF indicator also turns on when the ECU prohibits ABS & TRAC & VSC controls. Turn the ignition switch off and ensure TRAC & VSC control comes on when the ignition switch turns on the next time.

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