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Home >> Buick >> 1992 >> Roadmaster Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnosis & Testing >> Using Tech 1 >> Automatic Tests
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Automatic Tests

Select AUTO TEST. Press ENTER when ready. Valves can be heard and felt cycling from hydraulic control unit; have assistant verify that pump motor turned on. See DIAGNOSTIC CHARTS if codes are set.