B5 - Master Cylinder Fluid Level Switch

Schematic:

- Connect jumper wire from Circuit 531 (DG/Y) to Circuit 512 (T/LG).

- Turn key to START position.

- Observe red brake light.

- Does the brake light function?

YES -- Master cylinder fluid level switch is defective. Replace the brake fluid level switch. Repeat System Pre-Check. B - Test system pre check

NO -- Open in Circuit 512 (T/LG) or defective ignition switch (11572). Repair/replace and repeat System Pre-Check. B - Test system pre check