|
|
SR-20 < REMOVAL AND INSTALLATION > COLLISION DIAGNOSIS COLLISION DIAGNOSIS For Frontal Collision INFOID:0000000009882854 FOR FRONTAL COLLISION: When SRS is activated in a collision CAUTION: Due to varying models and option levels, not all parts listed in the chart below apply to all vehicles. WORK PROCEDURE 1. Before performing any of the following steps, ensure that all vehicle body and structural repairs have been completed. 2. Replace the diagnosis sensor unit. 3. Remove the front air bag modules, crash zone sensor assembly, bracket and seat belt pre-tensioner assemblies. 4. Check the SRS components using the table below: Replace any SRS components showing visible signs of damage. (dents, cracks and deformation, etc.) 5. Install new front air bag modules, crash zone sensor assembly, bracket and seat belt pre-tensioner assemblies. 6. Perform self-diagnosis using CONSULT or air bag warning lamp. Refer to for details. Ensure entire SRS operates properly. 7. After the work is completed, perform self-diagnosis to check that no malfunction is detected. Refer to . SRS INSPECTION (FOR FRONTAL COLLISION) Part Inspection Driver air bag module If the driver air bag has deployed: Front passenger air bag module If the front passenger air bag has deployed: Crash zone sensor If any of the front air bags or seat belt pre-tensioners* have been activated: Seat belt pre-tensioner assem- If either the driver or passenger seat belt pre-tensioner* has been activated: Diagnosis sensor unit If any of the SRS components have been activated: Steering wheel 1. Visually check steering wheel for deformities. 2. Check harness (built into steering wheel) and connectors for damage, and terminals for defor- 3. Install driver air bag module into the steering wheel to check fit and alignment with the wheel. 4. Check steering wheel for excessive free play. 5. If no damage is found, reinstall. 6. If damaged — REPLACE. Spiral cable If the driver front air bag has deployed: Occupant classification system 1. Remove passenger seat assembly. 2. Check control unit case for dents, cracks of deformities. 3. Check connectors and pressure sensor tube for damage, and terminals for deformities. 4. Check seat frame and cushion pan for dents or deformities. 5. If no damage is found, reinstall seat with new fasteners. 6. If damaged— REPLACE seat cushion assembly with new fasteners. |