1. Check resistance between the terminals of the SRS simulator lead. There should be 1.0 Ω or less.

Is the resistance as specified?

YES | - | Faulty SRS unit or poor contact at SRS unit connector C (16P) and SRS unit. Check the connection; if the connection is OK, replace the SRS unit . ■
NO | - | Open or increased resistance in the side curtain airbag subharness; replace the side curtain airbag subharness.■