Disabling the SIR System
WARNING: The diagnostic energy reserve module or sensing and diagnostic module (DERM/SDM) can maintain enough voltage to cause air bag deployment for up to two minutes after the ignition switch is turned off and the battery is disconnected. Servicing the SIR system during this period may result in accidental deployment and personal injury.1. Ensure front wheels are pointed straight ahead.
2. Turn ignition switch to LOCK position.
3. Remove AIR BAG fuse from fuse block.
4. Working through trap door located in the lefthand sound insulator, disconnect Connector Position Assurance (CPA) and yellow 2-way connector at base of steering column.
5. Wait at least 2 minutes before proceeding with diagnosis or service.