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.
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HOMESERVICE MANUALSTOYOTA2002HIGHLANDER 4WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLHYDRAULIC SYSTEMBRAKE FLUID LEVEL SENSOR/SWITCHTESTING AND INSPECTION
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)
Brake Fluid Level Sensor/Switch: Testing and Inspection
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)SECTION Testing and Inspection
INSPECT BRAKE FLUID LEVEL WARNING SWITCH
a. 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.
a. 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.
RENDER: 1.0x
NO RELATED
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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.