H2 - Continuity Check

^ With Rotunda Digital Multimeter 105-00050 or equivalent, measure resistance across circuit 871, Y (pin 16) or mating connector.

^ Is continuity present?

YES -- Check fuse. Check bulb. Service if necessary. Go to H3. H3 - Check Chime Warning

NO -- Service circuit 817, Y. Go to H3. H3 - Check Chime Warning