Brake Fluid Level Sensor/Switch: Testing and Inspection
INSPECT BRAKE FLUID LEVEL WARNING SWITCHa. Inspect the continuity.
1. Remove the reservoir tank cap and strainer.
2. Disconnect the connector.
3. Check that the continuity exists between the terminals.
Float up (switch off): No continuity
4. Use syphon, etc., to take fluid out of the reservoir tank.
5. Check that the continuity exists between the terminals.
Float down (switch on): Continuity
6. Pour the fluid back in the reservoir tank.