B1 - Red Brake Warning Light/Fuse

- Turn ignition to RUN position.

- Apply parking brake.

- Observe red brake warning light.

- Does the brake warning light function?

YES -- Release parking brake go to B2. [1][2]B2 - Check For Corroded Fluid Level Connector Pins

NO -- Repair brake warning circuit. Check for open fuse. Check for burned-out bulb or open Circuits 640 (R/Y), 162 (LG/R). Repeat System Pre-Check. B - Test system pre check