DRB Blank Screen
NOTE:
For connector terminal identification and wiring diagrams, see
BODY CONTROL COMPUTER - INTRODUCTION article. Perform VERIFICATION TEST VER-1
after each repair.
CAUTION:
Always turn ignition off prior to disconnecting any module connector.
Disconnect scan tool from DLC. Ensure ground circuit has continuity at DLC terminal No. 4. Ensure 12 volts is present at DLC terminal No. 16. If voltage is not present at DLC terminal No. 16, inspect junction block fuse No. 5 and Power Distribution Center fuse No. 4. Try another scan tool and/or cable.