LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 1986 >> Riviera Base >> Repair and Diagnosis >> Engine Performance >> System >> BCM System, Part I >> Self-Diagnostic System >> System Selection >> Toronado Models
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Toronado Models

After the trouble codes have been displayed, the "Service Mode" can be used to perform several tests on different systems at 1 time. Upon completion of the trouble code display, a specific system may be selected for testing. Following trouble code display, the first available system will be displayed (i.e. ECM). When selecting a test, there are 4 available actions to be taken: