Driver's Multiplex Control Unit
Turn ignition off. Remove driver's multiplex control unit from fuse/relay block, behind left kick panel. See DRIVER'S UNDERDASH FUSE/RELAY BOX under REMOVAL & INSTALLATION. See Fig 1 . Check terminals and contacts. Repair as necessary and retest system. If terminals and contacts are okay, perform input tests. If test results are as specified, go to SELF-DIAGNOSTIC SYSTEM .