Seat Occupant Sensor: Service and Repair
Front Passenger's Weight Sensor ReplacementRemoval
NOTE:
- Removal of the front passenger's weight sensors must be performed according to the precautions/procedures described at the beginning of this section.
- Before disconnecting the front passenger's weight sensor connectors, disconnect the front passenger's airbag 4P connector..
- Do not turn the ignition switch ON (II), and do not connect the battery cable while replacing the front passenger's weight sensors.
1. Disconnect the battery negative cable, and wait at least 3 minutes before beginning work.
2. Remove the seat assembly and seat riser.
3. Disconnect the front passenger's weight sensor connectors from the seat weight sensor unit.
4. Remove the harness clips and mounting nuts (A), then remove the front passenger's weight sensors (B) from the seat riser.
Installation
NOTE:
- Be sure to install the harness wires so they are not pinched or interfering with other parts.
- Do not turn the ignition switch ON (II), and do not connect the battery cable while replacing the front passenger's weight sensors.
- Tighten the mounting nuts from the backside. Improper tightening could cause the airbag system to accidentally deploy, causing damage or injuries.
1. Place the new front passenger's weight sensors on the seat riser. Tighten the mounting nuts (A) from the backside and connect the sensor connectors to the front passenger's weight sensor unit. Then install the harness clips.
2. Install the seat riser and the seat assembly.
3. Reconnect the battery negative cable.
4. Calibrate the front passenger's weight sensor unit. [1][2]Component Tests and General Diagnostics
5. After installing the front passenger's weight sensors, confirm proper system operation: Turn the ignition switch ON (II): the SRS indicator should come on for about 6 seconds and then go off.