Before doing this troubleshooting procedure, find out if the vehicle was in a collision. If so, verify that all the required components were replaced with new components of the correct part number, and that they were properly installed.

Before doing this troubleshooting procedure, review SRS Precautions and Procedures and General Troubleshooting Information.

Before replacing the front passenger's weight sensor unit, check the front passenger's weight sensor unit software version with the HDS. If the software version is not the latest, update the front passenger's weight sensor unit software, and retest.