STEP 1. Check the service data for multivision display.
STEP 2. Check the speedometer.
STEP 3. Check combination meter connector C-203 and multivision display connector C-138 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
STEP 4. Check the wiring harness between combination meter connector C-203 (terminal 20) and multivision display connector C-138 (terminal 31)
STEP 5. Substitute a known good multivision display, and check the trouble system.