Diagnosis Sensor Unit

CAUTION:
- Before servicing SRS, turn the ignition switch off, disconnect both battery cables and wait for at least 3 minutes.
- The special bolts are coated with bonding agent while the nut is for ground. Do not reuse nut and bolts after removal; replace with new ones.
- Check air bag diagnosis sensor unit for proper installation.
- Check air bag diagnosis sensor unit to ensure it is free of deformities, dents, cracks and rust. If there are any visible signs of damage, replace it with a new one.
- Check air bag diagnosis sensor unit brackets to ensure they are free of deformities or rust.
- Replace air bag diagnosis sensor unit if it has been dropped or has sustained an impact.

1. Disconnect driver and passenger air bag module connectors and seat belt pre-tensioner connectors.
2. Remove console box. Refer to "INSTRUMENT PANEL ASSEMBLY".
3. Disconnect air bag diagnosis sensor unit connectors.
4. Remove ground bolt and also remove special bolts from air bag diagnosis sensor unit.
Then remove the air bag diagnosis sensor unit.

NOTE:
- To install, reverse the removal procedure and tighten new bolts in the sequence indicated in the illustration.
- After replacement, perform self-diagnosis for SRS. Refer to "SRS Operation Check". [1][2]Component Tests and General Diagnostics

CAUTION: Air bag diagnosis sensor unit must always be installed with forward mark "<-" pointing toward the front of the vehicle for proper operation. Also check air bag diagnosis sensor unit for cracks, deformities and rust before installation and replace as required.