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1998 Chevrolet Lumina Disabling & Activating Air Bag System

February 9th, 2011 · No Comments

When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES in GENERAL INFORMATION. Record preset radio stations and obtain code for theft deterrent-equipped radios before disconnecting battery.
Disabling System
WARNING: SDM maintains sufficient voltage to cause air bag deployment for up to 10 minutes after ignition switch is turned OFF, battery is disconnected, or fuse powering SDM is removed. In order to begin servicing immediately, inflator modules must be removed from deployment loop.
NOTE: When fuse No. 21 is removed and ignition switch is in RUN position, AIR BAG warning light will be on. This does not indicate a system malfunction.
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1. Turn steering wheel to place vehicle wheels in straight-ahead position. Turn ignition switch to LOCK position and remove key.
2. Remove fuse No. 21 (15 amp) from instrument panel fuse block. Remove left-side instrument panel insulator. Remove Connector Position Assurance (CPA) clip and disconnect driver-side Yellow 2-pin connector at base of steering column. See Fig. 4 . Remove glove box door. Remove Connector Position Assurance (CPA) and disconnect passenger-side Yellow 2-pin connector behind glove box door. See Fig. 5 . System is now disabled.
Turn ignition to LOCK position. Connect passenger-side Yellow 2-pin connector behind glove box door assembly and install CPA. Install glove box door assembly. Connect driver-side Yellow 2-pin connector at base of steering column and install CPA clip. Install instrument panel insulator. Install fuse No. 21. Check system for proper operation. See TESTING – SYSTEM OPERATION CHECK.

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