REMOVAL AND INSTALLATION
Note. ASC-ECU is located in the hydraulic unit.
| CAUTION | When the hydraulic unit (integrated with ASC-ECU) is replaced, after turning the ignition switch ON and OFF (vehicle information from ETACS-ECU is registered), always perform the calibration of steering wheel sensor, G and yaw rate sensor, brake fluid pressure sensor, cut valve, and inlet valve. (Refer to IN THE EVENT OF A DISCHARGED BATTERY , STEERING WHEEL SENSOR CALIBRATION , MASTER CYLINDER BRAKE FLUID PRESSURE SENSOR CALIBRATION , and CALIBRATION OF CUT VALVE AND INLET VALVE .) |
Scheme 47
| CAUTION | The vehicle speed detection encoder collects any metallic particle easily, because it is magnetized. Make sure that the encoder should not collect any metallic particle. Check that there is not any trouble prior to reassembling it. |
Scheme 48
Note. The vehicle speed detection encoder is integrated with the front wheel bearing and the rear hub assembly, which cannot be disassembled.
>> A << FRONT WHEEL SPEED SENSOR GROMMET/REAR WHEEL SPEED SENSOR GROMMET INSTALLATION
Install the front wheel speed sensor grommet and the rear wheel speed sensor grommet to the body panel snugly as shown in the figure.
Scheme 49
>> B << SENSOR HARNESS CLIP INSTALLATION
As shown in the figure, align the edge of front wheel speed sensor marking with the edge of sensor wiring harness clip, then perform the installation.
Scheme 50
As shown in the figure, align the edge of front wheel speed sensor marking with the edge of clip, then perform the installation.
Scheme 51
| CAUTION | Do not use an impact wrench. Do not drop or shock the G and yaw rate sensor. When the G and yaw rate sensor is replaced, always carry out calibration to make ASC-ECU learn the neutral point. (Refer to IN THE EVENT OF A DISCHARGED BATTERY .) |
Scheme 52
| CAUTION | Always align the center of the clock spring before installing the steering wheel sensor. Otherwise, the sensor can be damaged. If the center of the clock spring is not correctly aligned, the steering wheel may not be turned fully or the cable inside the clock spring may be broken, causing the SRS air bag to be inoperative or operated incorrectly. Before removing the steering wheel assembly and driver's air bag module, always refer to SERVICE PRECAUTIONS and DRIVER'S AIR BAG MODULE AND CLOCK SPRING . When the steering wheel sensor is replaced, always carry out calibration to make ASC-ECU learn the neutral point. (Refer to STEERING WHEEL SENSOR CALIBRATION .) |
