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Home >> Lexus >> 2000 >> GS 400 V8-4.0L (1UZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Body Control Module >> Testing and Inspection >> Component Tests and General Diagnostics >> Brake Fluid Level Warning Switch Circuit
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Brake Fluid Level Warning Switch Circuit

Brake Fluid Level Warning Switch Circuit / Body No.2 ECU

CIRCUIT DESCRIPTION
To detect abnormality of the brake fluid level.

Wiring Diagram:






Steps 1 - 3:




INSPECTION PROCEDURE






INSPECT BRAKE FLUID LEVEL WARNING SWITCH CONTINUITY
a. Remove the reservoir tank cap and strainer.
b. Disconnect the connector.
c. Check that no continuity exists between the terminals with the switch OFF (float up).
d. Use siphon, etc. to take fluid out of the reservoir tank.
e. Check that continuity exists between the terminals with the switch ON (float down)
f. Pour the fluid back in the reservoir tank.
If operation is not as specified, replace the switch.