lemon-mirror:
Home >> Porsche >> 1990 >> 928 Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Testing >> Program Switch Position 18 >> Left Front Control Valve

Left Front Control Valve

Press "VL" and "LED" buttons. Digital display should read between 1.9-2.3 amps. If readout is okay, go to RIGHT FRONT CONTROL VALVE test. If not, repeat test with engine running. If display is still not okay, replace control unit.