Air Bag Main Wiring Harness Test
- Turn ignition switch to OFF position. Reconnect connectors AB1 and B140 (Legacy) or B58 (SVX). Remove driver-side lower trim panel from dash. Disconnect air bag module 3-pin Yellow connector at base of steering column. See Figure .
- Disconnect 12-pin Yellow connector AB6 from control unit. Turn ignition switch to ON position. Check AIR BAG warning light. If AIR BAG warning light is off, replace control unit. If AIR BAG warning light is on, replace air bag main wiring harness.