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Home >> Oldsmobile >> 1988 >> Toronado Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Code Charts >> Chart A2 - Main Valve >> Notes
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Chart A2 - Main Valve: Notes

Main valve is a solenoid valve, located inside hydraulic unit. Valve is activated by EBCM (pin No. 18) to provide modulated boost pressure to front hydraulic wheel brake circuits. Valve is grounded internally to hydraulic unit. Normal resistance is 2-5 ohms.