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Home >> Geo >> 1996 >> Prizm Base, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Testing >> Relay Test

Relay Test

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Using Tech 1, turn relay on and off using UP/DOWN arrow buttons on scan tester. Battery voltage supplied to EBCM through relay contacts is displayed on Tech 1. When relay is commanded on, voltage should be equal to battery voltage. When relay is commanded off, voltage should be less than 2 volts.