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Initial Inspection



On-Vehicle Inspection

CAUTION: Be sure to perform the initialization of the occupant classification ECU if any of the following conditions occur. If the initialization is not performed, the SRS may not operate properly. Refer to Air Bag Systems/Testing and Inspection/Control Module Programming and Relearning/Initialization.

- The occupant classification ECU is replaced.
- Accessories (seatback tray or seat cover, etc.) are installed to the vehicle.
- The passenger seat is removed from the vehicle.
- Both the SRS warning light and passenger airbag ON/OFF indicator light ("OFF") come on.
- The vehicle is brought to the workshop for repair due to an accident or collision.

HINT: The curtain shield airbag assy and airbag sensor rear are mounted in the coupe model only.





1. HORN BUTTON ASSY (VEHICLE NOT INVOLVED IN COLLISION)
a. Perform a diagnostic system check.
b. With the horn button assy installed on the vehicle, perform a visual check including the following: Cuts, minute cracks or marked discoloration on the horn button assy top surface or in the grooved portion.




2. HORN BUTTON ASSY (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)
a. Perform a diagnostic system check.
b. With the horn button assy removed from the vehicle, perform a visual check including the following:
- Cuts, minute cracks or marked discoloration on the horn button assy top surface or in the grooved portion.
- Cracks or other damage to the connectors.
- Deformation of the steering wheel assy.




- Deformation of the horn button contact plate of the horn button assy.

HINT:
- If the horn button contact plate of the horn button assy is deformed, never repair it. Always replace the horn button assy with a new one.




- There should be no interference between the horn button assy and steering wheel assy, and the clearance should be uniform all the way around when the new horn button assy is installed on the steering wheel assy.

CAUTION: For removal and installation procedures of the horn button assy, and be sure to follow the correct procedure.




3. FRONT PASSENGER AIRBAG ASSY (VEHICLE NOT INVOLVED IN COLLISION)
a. Perform a diagnostic system check.
b. With the front passenger airbag assy installed on the vehicle, perform a visual check including the following:
Cuts, minute cracks or marked discoloration on the instrument panel around the front passenger airbag assy.




4. FRONT PASSENGER AIRBAG ASSY (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)
a. Perform a diagnostic system check.
b. With the front passenger airbag assy removed from the vehicle, perform a visual check including the following:
- Cuts, minute cracks or marked discoloration on the front passenger airbag assy.
- Cracks or other damage to the connectors.




- Deformation or cracks on the instrument panel or instrument panel reinforcement.

HINT: If the instrument panel or instrument panel reinforcement is deformed or cracked, never repair it. Always replace it with a new one.

CAUTION: For removal and installation procedures of the front passenger airbag assy, and be sure to follow the correct procedure.




5. FRONT SEAT AIRBAG ASSY (VEHICLE NOT INVOLVED IN COLLISION)
a. Perform a diagnostic system check.
b. With the front seat airbag assy installed on the vehicle, perform a visual check including the following:
Cuts, minute cracks or marked discoloration on the front seat back assy around the front seat airbag assy.




6. FRONT SEAT AIRBAG ASSY (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)
a. Perform a diagnostic system check.
b. With the front seat airbag assy removed from the vehicle, perform a visual check including the following:
- Cuts, minute cracks or marked discoloration on the front seat airbag assy.
- Cracks or other damage to the wire harness or connector.




7. CURTAIN SHIELD AIRBAG ASSY (VEHICLE NOT INVOLVED IN COLLISION)
a. Perform a diagnostic system check.
b. With the curtain shield airbag assy installed on the vehicle, perform a visual check including the following:
Cuts, minute cracks or marked discoloration on the front pillar garnish or roof headlining assy around the curtain shield airbag assy.




8. CURTAIN SHIELD AIRBAG ASSY (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED
a. Perform a diagnostic system check.
b. With the curtain shield airbag assy removed from the vehicle, perform a visual check including the following:
- Cuts, minute cracks or marked discoloration on the curtain shield airbag assy.
- Cracks or other damage to the wire harness or connector.

9. AIR BAG SENSOR ASSY CENTER (VEHICLE NOT INVOLVED IN COLLISION)
- Perform a diagnostic system check.

10. AIR BAG SENSOR ASSY CENTER (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED
- Perform a diagnostic system check.

11. AIR BAG SENSOR ASSY CENTER (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS DEPLOYED
- Replace the airbag sensor assy center.

12. AIR BAG SENSOR FRONT (VEHICLE NOT INVOLVED IN COLLISION)
- Perform a diagnostic system check.

13. AIR BAG SENSOR FRONT (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)
a. Perform a diagnostic system check.
b. When the front bumper of the vehicle or its periphery is damaged, check if there is any damage to the airbag sensor front. If there are any defects as mentioned below, replace the airbag sensor front with a new one:
- Cracks, dents or chips in the case.
- Cracks or other damage to the connector.
- Peeling off of the label or damage to the serial number.

14. AIR BAG SENSOR FRONT (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS DEPLOYED)
- Replace the airbag sensor front.

15. SIDE AIR BAG SENSOR ASSY (VEHICLE NOT INVOLVED IN COLLISION)
- Perform a diagnostic system check.

16. SIDE AIR BAG SENSOR ASSY (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)
a. Perform a diagnostic system check.
b. When the door of the vehicle or its periphery is damaged, check if there is any damage to the side airbag sensor assy. If there are any defects as mentioned below, replace the side airbag sensor assy with a new one:
- Cracks, dents or chips in the case.
- Cracks or other damage to the connector.
- Peeling off of the label or damage to the serial number.

17. SIDE AIR BAG SENSOR ASSY (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS DEPLOYED)
- Replace the side airbag sensor assy.

18. AIR BAG SENSOR REAR (VEHICLE NOT INVOLVED IN COLLISION)
- Perform a diagnostic system check.

19. AIR BAG SENSOR REAR (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)
a. Perform a diagnostic system check.
b. When the quarter panel of the vehicle or its periphery is damaged, check if there is any damage to the airbag sensor rear. If there are any defects as mentioned below, replace the airbag sensor rear with a new one:
- Cracks, dents or chips in the case.
- Cracks or other damage to the connector.
- Peeling off of the label or damage to the serial number.

20. AIR BAG SENSOR REAR (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS DEPLOYED)
- Replace the airbag sensor rear.

21. SEAT POSITION AIR BAG SENSOR (VEHICLE NOT INVOLVED IN COLLISION)
- Perform a diagnostic system check.

22. SEAT POSITION AIR BAG SENSOR (VEHICLE INVOLVED IN COLLISION)
a. Perform a diagnostic system check.
b. Even if the airbag was not deployed, perform a visual check for damage to the seat position airbag sensor including the following:
- Cracks, dents or chips in the case.
- Cracks or other damage to the connector.

23. OCCUPANT CLASSIFICATION ECU (VEHICLE NOT INVOLVED IN COLLISION)
- Perform a diagnostic system check.

24. OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION
a. Perform a diagnostic system check.
b. Even if the airbag was not deployed, perform a visual check for damage to the occupant classification ECU including the following:
- Cracks, dents or chips in the case.
- Cracks or other damage to the connector.

25. WIRE HARNESS AND CONNECTOR (VEHICLE NOT INVOLVED IN COLLISION)
- Perform a diagnostic system check.

26. WIRE HARNESS AND CONNECTOR (VEHICLE INVOLVED IN COLLISION)
a. Perform a diagnostic system check.
b. Check for breaks in all wires of the SRS wire harness and exposed conductors.
c. Check to see if the SRS wire harness connectors are cracked or chipped.

HINT: The SRS wire harness is integrated with the engine room main wire, instrument panel wire, front door LH wire, front door RH wire, floor wire and floor wire No.2.
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