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Home >> Lexus >> 2002 >> LS 430 >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Component Tests >> VSC Sensor Signal >> Without Hand-Held Tester

Without Hand-Held Tester

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  1. Turn the ignition switch OFF and check that the shift lever is at "P" position. Turn the steering wheel to the straight ahead position.
  2. Using special tool (09843-18040), connect terminals Ts and CG of DLC3. See Figure.
  3. Start the engine and check that "VSC TEST" displayed on the mulit-information display. If the "VSC TEST" does not display, check the VSC warning circuit and Ts terminal circuit. See SYSTEM TESTING .
  4. Shift the lever to the "D" position and drive the vehicle at approximately 3 mph (5 km/h). Turn the steering wheel either to left or right 90 degrees or more and continue until completing a 180 degree or more turn. Do not spin the wheels. Stop the vehicle and shift the lever to "P" position. Ensure the VSC buzzer sounds for 3 seconds.
  5. If the VSC buzzer sounds, the sensor check is normal. If the buzzer does not sound, check the VSC warning buzzer circuit. Then do the sensor check again. See SYSTEM TESTING .
  6. If the buzzer still won't sound, there is a malfunction in the VSC sensor. Check the DTC. See DIAGNOSTIC TROUBLE CODE DEFINITIONS  under SELF-DIAGNOSTIC SYSTEM.
  7. Using special tool (09843-18040), connect terminals Tc and CG of DLC3. See Figure.
  8. Read the number of displays on the multi-information display.
  9. Disconnect the special tool and turn ignition switch OFF.