Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Inspection Procedure
HINT:
When releasing the parking brake, set the chocks to hold the vehicle for safety.
- CHECK BRAKE FLUID LEVEL IN RESERVOIR
- Check that the brake fluid level is sufficient.
HINT:
- If the fluid level drops, check for a fluid leak, and repair if found.
- If no leaks exist, add and adjust fluid and then check that the trouble code is not output again.
OK: Go To Next Step
Brake fluid level is proper.
NG: ADD BRAKE FLUID
OK: Go To Next Step
- Check that the brake fluid level is sufficient.
- INSPECT BRAKE FLUID LEVEL WARNING SWITCH
- Remove the reservoir tank cap and strainer.
- Disconnect the brake fluid level warning switch connector.
- Measure the resistance according to the value(s) in the table below.
Standard:
TESTER CONNECTION FLUID LEVEL SPECIFIED CONDITIONTester Connection Fluid Level Specified Condition (B1-1) - (B1-2) Proper 1.8 t o2.16 kΩ (B1-1) - (B1-2) Below min.: level Below1 Ω NG: REPLACE BRAKE MASTER CYLINDER RESERVOIR SUB-ASSY
OK: Go To Next Step
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.