Diagnostic Test

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

CHECK BRAKE FLUID LEVEL SWITCH

Turn the ignition switch OFF.
Disconnect brake fluid level switch harness connector.

Check the continuity between terminals of brake fluid level switch.

Brake fluid level switch	Condition	Continuity
Terminal	Condition	Continuity
1 - 2	When brake fluid level in reservoir tank is within the specified level.	Not existed
1 - 2	When brake fluid level in reservoir tank is less than the specified level.	Existed

Is the inspection result normal?

YES

INSPECTION END

Replace the electrically-driven intelligent brake unit. Refer to REMOVAL AND INSTALLATION .