B3 Check For Unseated Connector

- Key OFF.

- Firmly reconnect fluid level switch connector located on brake master cylinder.

- Turn key to START position.

- Observe red brake light.

- Does the brake light function?

YES -- Condition is resolved. Repeat System Pre-Check. Initial Inspection and Diagnostic Overview

NO -- Go to B4. [1][2]B4 - Diode Resistor Element/Circuit