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 MANUALSTOYOTA2006SEQUOIA 4WD V8-4.7L (2UZ-FE)REPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLANTILOCK BRAKES / TRACTION CONTROL SYSTEMSTESTING AND INSPECTIONPROGRAMMING AND RELEARNINGCALIBRATION
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)
Calibration
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)SECTION Calibration
CALIBRATION
VSC-Related Zero Point Calibration And Sensor Check
NOTE: Whenever replacing the master cylinder pressure sensor, yaw rate and deceleration sensor or the Skid Control ECU, make sure to perform zero point calibration. While performing the zero point calibration:
- Do NOT tilt, move or shake the vehicle.
- The vehicle MUST maintain a stationary position.
- Do NOT start the engine.
- Be sure to perform the calibration on a level surface (within an inclination of 1%)
1. Whenever replacing the Skid Control ECU, registration of the new ECU must first be performed.
A. For 2WD models:Registration is complete. Go to step 2.
B. For 4WD models:
a.Vehicles with Transfer Lever: After turning the ignition switch ON, with the shifter in the "P" position, move the transfer lever to the "L4" position.
Vehicles with Push Button Selector: Place the vehicle in NEUTRAL, press the "L4" button and then place the vehicle in the "P" position.
b.At this time, the VSC system buzzer will sound for 3 seconds indicating that the registration is complete. Now turn the ignition switch OFF. Go to step 2.
2. Perform master cylinder pressure, yaw rate and deceleration sensor zero point calibration.
A. Connect Diagnostic Tester to DLC3.
B. Move the shift lever to the "P" position.
C. Turn the ignition switch to the "ON" position.
D. Place the Diagnostic Tester into Signal Check mode under the ABS/VSC menu.
E. Keep the vehicle in a stationary position on a level surface for 4 seconds or more.
F. FOr 2WD models: Press the TRAC OFF switch 3 times with in 3 seconds without pressing the brake pedal.
G. For 4WD models: Press the center differential lock (TRAC OFF) switch 3 times within 3 seconds without pressing the brake pedal.
H. Check that the VSC buzzer sounds for 3 seconds.
NOTE: If the VSC buzzer does not sound:
- Repeat the zero point calibration procedures listed in step 2
- Check the VSC buzzer circuit.
I. Zero point of master cylinder pressure, yaw rate and deceleration sensor is complete. Go to step 3.
3. Perform steering angle sensor zero point calibration.
A. Disconnect the Diagnostic Tester.
B. Calibrate the steering angle sensor by driving the vehicle above 28MPH (45 km/h).
4. Confirm zero point calibration.
A. Stop the vehicle.
B. Place the shifter in the "P" position.
C. Connect the Diagnostic Tester to DLC3.
D. View the ABS/VSC Data List to see that the steering angle value changes when turning the steering wheel.
5. Disconnect the Diagnostic Tester and turn the ignition switch "OFF".
VSC-Related Zero Point Calibration And Sensor Check
NOTE: Whenever replacing the master cylinder pressure sensor, yaw rate and deceleration sensor or the Skid Control ECU, make sure to perform zero point calibration. While performing the zero point calibration:
- Do NOT tilt, move or shake the vehicle.
- The vehicle MUST maintain a stationary position.
- Do NOT start the engine.
- Be sure to perform the calibration on a level surface (within an inclination of 1%)
1. Whenever replacing the Skid Control ECU, registration of the new ECU must first be performed.
A. For 2WD models:Registration is complete. Go to step 2.
B. For 4WD models:
a.Vehicles with Transfer Lever: After turning the ignition switch ON, with the shifter in the "P" position, move the transfer lever to the "L4" position.
Vehicles with Push Button Selector: Place the vehicle in NEUTRAL, press the "L4" button and then place the vehicle in the "P" position.
b.At this time, the VSC system buzzer will sound for 3 seconds indicating that the registration is complete. Now turn the ignition switch OFF. Go to step 2.
2. Perform master cylinder pressure, yaw rate and deceleration sensor zero point calibration.
A. Connect Diagnostic Tester to DLC3.
B. Move the shift lever to the "P" position.
C. Turn the ignition switch to the "ON" position.
D. Place the Diagnostic Tester into Signal Check mode under the ABS/VSC menu.
E. Keep the vehicle in a stationary position on a level surface for 4 seconds or more.
F. FOr 2WD models: Press the TRAC OFF switch 3 times with in 3 seconds without pressing the brake pedal.
G. For 4WD models: Press the center differential lock (TRAC OFF) switch 3 times within 3 seconds without pressing the brake pedal.
H. Check that the VSC buzzer sounds for 3 seconds.
NOTE: If the VSC buzzer does not sound:
- Repeat the zero point calibration procedures listed in step 2
- Check the VSC buzzer circuit.
I. Zero point of master cylinder pressure, yaw rate and deceleration sensor is complete. Go to step 3.
3. Perform steering angle sensor zero point calibration.
A. Disconnect the Diagnostic Tester.
B. Calibrate the steering angle sensor by driving the vehicle above 28MPH (45 km/h).
4. Confirm zero point calibration.
A. Stop the vehicle.
B. Place the shifter in the "P" position.
C. Connect the Diagnostic Tester to DLC3.
D. View the ABS/VSC Data List to see that the steering angle value changes when turning the steering wheel.
5. Disconnect the Diagnostic Tester and turn the ignition switch "OFF".
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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.