Riviera V6-231 3.8L VIN C SFI (1989)
Driver/Vehicle Information Display: Testing and Inspection
Chart C-1 - CRT Problem
Chart C-1
CIRCUIT DESCRIPTION:
Following the Self-Diagnostic System Check first verifies the integrity of the circuits to the CRTC. Because the CRTC, which drives the CRT, is known
to be in communication with the rest of the system, the problem must be the CRT, CRTC, or the circuitry between the two. At this point, the problem is