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 MANUALSTOYOTA2001HIGHLANDER 2WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISSERVICE PRECAUTIONSVEHICLE DAMAGE WARNINGSSKID CONTROL (VSC) SYSTEM
2001 Toyota Highlander 2WD L4-2.4L (2AZ-FE)
Skid Control (VSC) System
2001 Toyota Highlander 2WD L4-2.4L (2AZ-FE)SECTION Skid Control (VSC) System
FOR VEHICLE EQUIPPED WITH VEHICLE SKID CONTROL (VSC) SYSTEM
A. Precaution when using drum tester:
When using a drum tester, make sure that the ignition switch is OFF, start the engine with the diagnosis connector short-circuited between Ts and E1 (CG) and take a measurement.
NOTE: - Check that VSC warning light is blinking.
- Ensure that the vehicle does not move using wires.
- After the measurement, disconnect the short circuit and check that the VSC warning light is turned off when restarting the engine.
B. Precaution during VSC operation:
1. Since VSC may be affected by the removal/installation of the VSC-related parts, do not remove/install those parts unless absolutely necessary.
2. When operating on VSC, follow the instructions in the manual to surely make preparations or check after operations.
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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.