DESCRIPTION & OPERATION
| WARNING | Vehicles are equipped with air bag supplemental restraint system. Before attempting any repairs involving steering column, instrument panel or related components, see SERVICE PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM in 1999 AIR BAG RESTRAINT SYSTEM or 2000 AIR BAG RESTRAINT SYSTEMS article. |
| CAUTION | 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 appropriate COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery. |
The Electronic Brake Control Module (EBCM) and the inflatable restraint Sensing and Diagnostic Module (SDM) are accessed through the Purple wire at Data Link Connector (DLC) Terminal No. 9. The Powertrain Control Module (PCM) is accessed through the Purple/White wire at DLC terminal No. 7.