Brake Fluid Pressure Sensor Calibration
CAUTION:
- Prior to calibration, check that no brake fluid pressure sensor-related diagnostic trouble codes are set.
- After the following procedure is complete, carry out calibration to let the ASC-ECU learn the neutral position of the brake fluid pressure sensor.
- During diagnosis according to diagnostic trouble code No. C123A
- ASC-ECU replacement
- During the calibration, the brake pedal should be released (the stoplight switch should be off).
- Park the vehicle on a level surface.CAUTION: Before connecting or disconnecting scan tool, always turn the ignition switch to the LOCK (OFF) position.
- Before setting scan tool (M.U.T.-III), turn the ignition key to the LOCK (OFF) position.
- Turn the ignition switch to the ON position.
- Select "ABS/ASC/ASTC/WSS."
- Select "Special function."
- Select "Sensor calibration."
- Select "Master cylinder pressure sensor calibration."
- Before removing scan tool (M.U.T.-III) from the vehicle, turn the ignition key to the LOCK (OFF) position.