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.
2001 Toyota 4Runner BaseFACTORY OEM SERVICE PROCEDURE
Deceleration Sensor Zero Point Calibration
NOTE:
Perform zero point calibration of yaw rate sensor first. See YAW RATE SENSOR ZERO POINT CALIBRATION .
- Using Diagnosis Check Wire (09843-18020), connect terminals Ts and E1 of DLC1. See Fig 1.
- Turn the ignition switch ON. Ensure the vehicle is in a stationary condition with the shift lever in P.
- Check that the VSC warning light is lit for about 4 seconds and then starts quickly blinking at 0.13 second intervals.
- After confirming the blinking of VSC warning light for 2 seconds, turn the ignition switch OFF.
- Remove the special tool.
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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