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Home >> Saab >> 2003 >> 9-3 Arc, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (TC/Abs System Version 5.3 - Repair) >> Technical Description Control >> ABS modulation >> Phase 1

Phase 1

WARNING: This page is about a different car, the 2001 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.

Inlet valve closes. This prevents a rise in the brake pressure to the caliper and provides a flow of brake fluid upstream of the inlet valve for use in phase 3.