Brake Fluid Level Switch Test: Test

How to use this service information .

NOTICE: 

• If both the ABS/VSA indicator and the brake system indicator (red) come on at the same time, check the VSA system first.
• When working with a vehicle equipped with the electronic air suspension, be sure to set it to the leveling off mode to prevent unexpected operation. Refer to the Electronic Air Suspension System Service Precautions - Refer to: Electronic Air Suspension System Connector Fitting Precautions or Electronic Air Suspension System Service Precautions for the procedure.

1. Brake Fluid Level Switch - Test

   Figure 1 (3.0 L engine) 

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   Figure 2 (3.5 L engine) 

   Courtesy of HONDA, U.S.A., INC.

   Procedure/Specifications 

   • Check for continuity between brake fluid level switch connector terminals No. 1 and No. 2 with the float in the down position and up positions. (Figure 1 and 2)

   Specifications (Figure 1 and 2) 

   Condition		Specification
   Brake Fluid MIN	Float Down	Continuity
   Brake Fluid MAX	Float Up	No Continuity

   Result 

   • If it is abnormal, replace the reservoir . If the brake fluid level switch is OK, but the brake system indicator (red) does not turn on, do the gauge control module self-diagnostic function .