FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Home >> Scion >> 2005 >> tC L4-2.4L (2AZ-FE) >> Repair and Diagnosis >> Restraints and Safety Systems >> Air Bag Systems >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> Initial Inspection >> On-Vehicle Inspection

On-Vehicle Inspection

ON-VEHICLE INSPECTION

1. HORN BUTTON ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)




a. Perform a diagnostic system check (Refer to Diagnostic Strategies).
b. With the horn button assembly installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the horn button assembly with a new one: Cuts, minute cracks or marked discoloration on the horn button assembly top surface or in the grooved portion.

2. HORN BUTTON ASSEMBLY (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)




a. Perform a diagnostic system check (Refer to Diagnostic Strategies).
b. With the horn button assembly removed from the vehicle, perform a visual check. If there are any defects as mentioned below, replace the horn button assembly or steering wheel assembly with a new one:
- Cuts, minute cracks or marked discoloration on the horn button assembly top surface or in the grooved portion.
- Cracks or other damage to the connectors.
- Deformation of the steering wheel assembly.




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




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

CAUTION: For removal and installation procedures of the horn button assembly, see "Replacement", and be sure to follow the correct procedure.

3. FRONT PASSENGER AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)




a. Perform a diagnostic system check (Refer to Diagnostic Strategies).
b. With the front passenger airbag assembly installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the instrument panel with a new one:
Cuts, minute cracks or marked discoloration on the instrument panel around the front passenger airbag assembly.

4. FRONT PASSENGER AIRBAG ASSEMBLY (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)




a. Perform a diagnostic system check (Refer to Diagnostic Strategies).
b. With the front passenger airbag assembly removed from the vehicle, perform a visual check. If there are any defects as mentioned below, replace the front passenger airbag assembly, instrument panel or instrument panel reinforcement with a new one:
- Cuts, minute cracks or marked discoloration on the front passenger airbag assembly.
- Cracks or other damage to the connectors.




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

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

5. FRONT SEAT AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)




a. Perform a diagnostic system check (Refer to Diagnostic Strategies).
b. With the front seat airbag assembly installed on the vehicle, perform a visual check. If there are any defects as mentioned, replace the front seatback assembly with a new one:
Cuts, minute cracks or marked discoloration on the front seatback assembly around the front seat airbag assembly.

6. FRONT SEAT AIRBAG ASSEMBLY (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)




a. Perform a diagnostic system check (Refer to Diagnostic Strategies).
b. With the front seat airbag assembly removed from the vehicle, perform a visual check. If there are any defects as mentioned, replace the front seat airbag assembly with a new one:
- Cuts, minute cracks or marked discoloration on the front seat airbag assembly.
- Cracks or other damage to the wire harness or connector.

CAUTION: For removal and installation procedures of the front seat airbag assembly, see "Overhaul", and be sure to follow the correct procedure.

7. CURTAIN SHIELD AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)




a. Perform a diagnostic system check (Refer to Diagnostic Strategies).
b. With the curtain shield airbag assembly installed on the vehicle, perform a visual check. If there are any defects as mentioned, replace the front pillar garnish or roof headlining assembly with a new one: Cuts, minute cracks or marked discoloration on the front pillar garnish or roof headlining assembly around the curtain shield airbag assembly.

8. CURTAIN SHIELD AIRBAG ASSEMBLY (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)




a. Perform a diagnostic system check (Refer to Diagnostic Strategies).
b. With the curtain shield airbag assembly removed from the vehicle, perform a visual check. If there are any defects as mentioned below, replace the curtain shield airbag assembly with a new one:
- Cuts, minute cracks or marked discoloration on the curtain shield airbag assembly.
- Cracks or other damage to the connector.

CAUTION: For removal and installation procedures of the curtain shield airbag assembly, see "Replacement", and be sure to follow the correct procedure.

9. INSTRUMENT PANEL AIRBAG ASSEMBLY LOWER NO.1 (VEHICLE NOT INVOLVED IN COLLISION)




a. Perform a diagnostic system check (Refer to Diagnostic Strategies).
b. With the instrument panel airbag assembly lower No.1 installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the instrument panel lower assembly with a new one:
Cuts, minute cracks or marked discoloration on the instrument panel lower assembly around the instrument panel air-bag assembly lower No.1.

10. INSTRUMENT PANEL AIRBAG ASSEMBLY LOWER NO.1 (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)




a. Perform a diagnostic system check (Refer to Diagnostic Strategies).
b. With the instrument panel airbag assembly lower No.1 removed from the vehicle, perform a visual check. If there are any defects as mentioned below, replace the instrument panel airbag assembly lower No.1 with a new one:
- Cuts, minute cracks or marked discoloration on the instrument panel airbag assembly lower No.1.
- Cracks or other damage to the connector.

CAUTION: For removal and installation procedures of the instrument panel airbag assembly lower No.1, see "Replacement", and be sure to follow the correct procedure.

11. AIRBAG SENSOR ASSEMBLY CENTER (VEHICLE NOT INVOLVED IN COLLISION)
a. Perform a diagnostic system check (Refer to Diagnostic Strategies).

12. AIRBAG SENSOR ASSEMBLY CENTER (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)
a. Perform a diagnostic system check (Refer to Diagnostic Strategies).

13. AIRBAG SENSOR ASSEMBLY CENTER (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS DEPLOYED)
a. Replace the airbag sensor assembly center.

CAUTION: For removal and installation procedures of the airbag sensor assembly center, see "Replacement", and be sure to follow the correct procedure.

HINT: The airbag sensor assembly center should be replaced after any of the airbags has deployed, as it has been subjected to the impact.

14. AIRBAG SENSOR FRONT (VEHICLE NOT INVOLVED IN COLLISION)
a. Perform a diagnostic system check (Refer to Diagnostic Strategies).

15. AIRBAG SENSOR FRONT (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)
a. Perform a diagnostic system check (Refer to Diagnostic Strategies).
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 any of the airbag sensor front have defects as mentioned below, replace it 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.

CAUTION: For removal and installation procedures of the airbag sensor front, see "Replacement", and be sure to follow the correct procedure.

16. AIRBAG SENSOR FRONT (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS DEPLOYED)
a. Replace the airbag sensor front.

CAUTION: For removal and installation procedures of the airbag sensor front, see "Replacement", and be sure to follow the correct procedure.

HINT: The airbag sensor front on the impacted side should be replaced after the horn button assembly, front passenger airbag assembly or instrument panel airbag assembly lower No.1 has deployed.

17. SIDE AIRBAG SENSOR ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)
a. Perform a diagnostic system check (Refer to Diagnostic Strategies).

18. SIDE AIRBAG SENSOR ASSEMBLY (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)
a. Perform a diagnostic system check (Refer to Diagnostic Strategies).
b. When the door of the vehicle or its periphery is damaged, check if there is any damage to the side air-bag sensor assembly. If there are any defects as mentioned below, replace the side airbag sensor assembly 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.

CAUTION: For removal and installation procedures of the side airbag sensor assembly, see "Replacement", and be sure to follow the correct procedure.

19. SIDE AIRBAG SENSOR ASSEMBLY (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS DEPLOYED)
a. Replace the side airbag sensor assembly.

CAUTION: For removal and installation procedures of the side airbag sensor assembly, see "Replacement", and be sure to follow the correct procedure.

HINT: The side airbag sensor assembly on the impacted side should be replaced after the front seat airbag assembly and curtain shield airbag assembly have deployed.

20. AIRBAG SENSOR REAR (VEHICLE NOT INVOLVED IN COLLISION)
a. Perform a diagnostic system check (Refer to Diagnostic Strategies).

21. AIRBAG SENSOR REAR (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)

a. Perform a diagnostic system check (Refer to Diagnostic Strategies).
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, 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.

CAUTION: For removal and installation procedures of the airbag sensor rear, see "Replacement", and be sure to follow the correct procedure.

22. AIRBAG SENSOR REAR (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS DEPLOYED)

a. Replace the airbag sensor rear.

CAUTION: For removal and installation procedures of the airbag sensor rear, see "Replacement", and be sure to follow the correct procedure.

HINT: The airbag sensor rear on the impacted side should be replaced after the curtain shield airbag assembly has deployed.

23. SEAT POSITION AIRBAG SENSOR (VEHICLE NOT INVOLVED IN COLLISION)
a. Perform a diagnostic system check (Refer to Diagnostic Strategies).

24. SEAT POSITION AIRBAG SENSOR (VEHICLE INVOLVED IN COLLISION)
a. Perform a diagnostic system check (Refer to Diagnostic Strategies).
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.

CAUTION: For removal and installation procedures of the seat position airbag sensor, see "Replacement", and be sure to follow the correct procedure.

25. WIRE HARNESS AND CONNECTOR (VEHICLE NOT INVOLVED IN COLLISION)

a. Perform a diagnostic system check (Refer to Diagnostic Strategies).

26. WIRE HARNESS AND CONNECTOR (VEHICLE INVOLVED IN COLLISION)
a. Perform a diagnostic system check (Refer to Diagnostic Strategies).
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, instrument panel wire assembly, floor wire, front door LH wire and front door RH wire.
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