G AND YAW RATE SENSOR CALIBRATION
| CAUTION | If the work below is done, finally calibrate the G and yaw rate sensor. This is necessary because the TCL/ASC-ECU should update the G and yaw rate sensor neutral point. G and yaw rate sensor replacement TCL/ASC-ECU replacement |
- MB991958: Scan Tool (M.U.T.-III Sub Assembly) MB991824: Vehicle Communication Interface (V. C. I.) MB991827: M.U.T.-III USB Cable MB991910: M.U.T.-III Main Harness A
- Park the vehicle on a level surface.
- Connect scan tool MB991958 to the data link connector.
- Turn the ignition switch to the "ON" position.
- Select "ABS/ASC/ASTC".
- Select "Special function".
- Select "Sensor calibration".
- Select "Lateral G sensor calibration".
- Select "G sensor calibration".
- Turn the ignition switch to the "LOCK" (OFF) position.
- Disconnect scan tool MB991958.
STEERING WHEEL SENSOR CALIBRATION
| CAUTION | After the next operation has been completed, carry out the following two operations: Update the neutral point that the steering wheel sensor stores. Reset the steering wheel angle correction value that the TCL/ASC-ECU stores. Front alignment adjustment Steering wheel sensor removal and installation TCL/ASC-ECU replacement |
| CAUTION | Before carrying out the calibration, check if the steering wheel sensor-related diagnostic trouble code is set in the TCL/ASC-ECU. |
- MB991958: Scan Tool (M.U.T.-III Sub Assembly) MB991824: Vehicle Communication Interface (V. C. I.) MB991827: M.U.T.-III USB Cable MB991910: M.U.T.-III Main Harness A
- Park the vehicle on a level surface.
- Connect scan tool MB991958 to the data link connector.
- Turn the ignition switch to the "ON" position.
- Select "Steering Angle Sensor".
- Select "Special Function".
- Select "Steering Angle Sensor Calibration".
- Run "SAS Initialization". (Reusable parts only)
- Select and run "Calibration".
- Exit "Steering Angle Sensor" menu, and then select "ABS/ASC/ASTC".
- Select "Special Function".
- Select "Sensor calibration".
- Select "SAS calibration".
- Turn the ignition switch to the "LOCK" (OFF) position.
- Disconnect scan tool MB991958.
BRAKE FLUID PRESSURE SENSOR CALIBRATION
| CAUTION | Before performing calibration, check that the brake fluid pressure sensor-related diagnosis code is not set. |
| CAUTION | After the next operation has been completed, carry out the calibration to make TCL/ASC-ECU learn the neutral position of the brake fluid pressure sensor. Brake fluid pressure sensor replacement TCL/ASC-ECU replacement |
| CAUTION | Always perform the calibration with the brake pedal released (stop lamp switch is turned off). |
- Park the vehicle on a level surface. CAUTION: Before connecting or disconnecting M.U.T.-III, always turn the ignition switch to the LOCK (OFF) position.
- Before setting 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."
- Select "Special function."
- Select "Sensor calibration."
- Select "M/C pressure sensor calibration."
- Before removing M.U.T.-III from the vehicle, turn the ignition key to the LOCK (OFF) position.
>> A << STEERING WHEEL SENSOR NEUTRAL POINT ALIGNMENT
| WARNING | Ensure that the clock spring's mating marks are properly aligned. If not, the steering wheel may not rotate completely during a turn, or the flat cable in the clock spring could be damaged, This would prevent normal SRS operation and possibly cause serious injury to the driver. |
Scheme 189
Scheme 190
- Align the mating marks of the clock spring. < Mating Mark Alignment > Turn the clock spring clockwise fully. Then turn it back approximately 3-3/4 turns counterclockwise to align the mating marks. Then install the clock spring to the column switch. CAUTION: Be sure to align the three neutral point marks of the steering wheel sensor at the same time as shown in the figure. If these mating marks are not aligned correctly, the steering wheel sensor may be damaged.
- Align the three neutral point marks of the steering wheel sensor at the same time as shown in the figure. < Mating Mark Alignment > If the neutral point mark is not seen when the window for checking the neutral point of the steering wheel sensor is checked, turn it to align the neutral point marks as shown in the figure. With paying attention not to misalign the neutral position, install the steering wheel sensor to the clock spring and column switch assembly. NOTE: A new steering wheel sensor has a pin for preventing the rotation of (fixing) the steering wheel sensor. After installing the sensor to the clock spring and column switch assembly, remove this pin. Install the clock spring and column switch assembly to the vehicle, maintaining the neutral position correctly.
