Isuzu I-280, I-350 2005-06

Disarming the System

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CAUTION
Some vehicles are equipped with an air bag system, also known as the Supplemental Inflatable Restraint (SIR) system. The system must be disabled before performing service on or around system components, steering column, instrument panel components, wiring and sensors. Failure to follow safety and disabling procedures could result in accidental air bag deployment, possible personal injury and unnecessary system repairs.

Zone 1





Click image to see an enlarged view

Fig. SIR fuse location

  1. Turn the steering wheel so that the vehicle's wheels are pointing straight ahead.
  2.  
  3. Turn OFF the ignition.
  4.  
  5. Remove the key from the ignition.
    NOTE
    With the SIR fuse removed and the ignition ON, the AIR BAG indicator illuminates. This is normal operation and does not indicate an SIR system malfunction.

  6.  
  7. Remove the SIR fuse from the fuse block (1) located in the underhood fuse block.
    NOTE
    This vehicle is equipped with 2 inflatable restraint front end sensors. When performing this procedure be sure to include both sensors.



    Click image to see an enlarged view

    Fig. Front end sensor connector

  8.  
  9. Remove the connector position assurance (CPA) from both (2) front end sensor connectors.
  10.  
  11. Disconnect both sensor connectors.
  12.  

Zone 2



  1. Turn the steering wheel until the vehicles wheels are pointing straight ahead.
  2.  
  3. Turn OFF the ignition.
  4.  
  5. Remove the key from the ignition.
    NOTE
    With the SIR fuse removed and the ignition ON, the AIR BAG indicator illuminates. This is normal operation and does not indicate an SIR system malfunction.

  6.  
  7. Remove the SIR fuse from the fuse block (1) located in the underhood fuse block.
  8.  
  9. Remove the left door trim panel.
  10.  
  11. Remove the connector position assurance (CPA) (3) from the side impact sensor yellow 2-way connector (5) located near the middle of the door.

    Click image to see an enlarged view

    Fig. Side impact sensor yellow 2-way connector 

  12.  
  13. Disconnect the side impact sensor yellow 2-way connector (5) located near the middle of the door.
  14.  
  15. Remove the trim panel. For extended cab remove the rear access door wiring harness grommet to access the connector.
  16.  
  17. Remove the connector positive assurance (CPA) from the seat belt pretensioner - left connector.
  18.  
  19. Disconnect the seat belt pretensioner left connector from the vehicle harness connector.
  20.  
  21. Remove the garnish molding.
  22.  
  23. Disconnect the roof rail module connector (1) from the vehicle harness.
  24.  

Zone 3



  1. Turn the steering wheel until the vehicle's wheels are pointing straight ahead.
  2.  
  3. Turn OFF the ignition.
  4.  
  5. Remove the key from the ignition.
  6.  
  7. Remove the trim panel.
    NOTE
    With the SIR fuse removed and the ignition ON, the AIR BAG indicator illuminates. This is normal operation and does not indicate an SIR system malfunction.

  8.  
  9. Remove the SIR fuse from the fuse block (1) located in the underhood fuse block.

    Click image to see an enlarged view

    Fig. Steering wheel module yellow 4-way connector 

  10.  
  11. Remove the connector position assurance (CPA) (1) from the steering wheel module yellow 4-way connector (2) located left of the steering column above the left hinge pillar trim panel.
  12.  
  13. Disconnect the steering wheel module yellow 4-way connector (2) located left of the steering column above the left hinge pillar trim panel.
  14.  

Zone 5



  1. Turn the steering wheel until the vehicles wheels are pointing straight ahead.
  2.  
  3. Turn OFF the ignition.
  4.  
  5. Remove the key from the ignition.
  6.  
  7. Access the inflatable restraint I/P module inline connector C208 above the driver side kick panel.
    NOTE
    With the SIR fuse removed and the ignition ON, the AIR BAG indicator illuminates. This is normal operation and does not indicate an SIR system malfunction.

  8.  
  9. Remove the SIR fuse from the fuse block (1) located in the underhood fuse block.

    Click image to see an enlarged view

    Fig. I/P module yellow 4-way inline connector

  10.  
  11. Remove the CPA from the I/P module yellow 4-way inline connector C208 (2) located above the driver side kick panel.
  12.  
  13. Disconnect the I/P module yellow 4-way inline connector C208 (2) located above the driver side kick panel.
  14.  

Zone 6



  1. Turn the steering wheel until the vehicles wheels are pointing straight ahead.
  2.  
  3. Turn OFF the ignition.
  4.  
  5. Remove the key from the ignition.
    NOTE
    With the SIR fuse removed and the ignition ON, the AIR BAG indicator illuminates. This is normal operation and does not indicate an SIR system malfunction.

  6.  
  7. Remove the SIR fuse from the fuse block (1) located in the underhood fuse block.
  8.  
  9. Remove the left door trim panel.
  10.  
  11. Remove the connector position assurance (CPA) (3) from the side impact sensor yellow 2-way connector (5) located near the middle of the door.
  12.  
  13. Disconnect the side impact sensor yellow 2-way connector (5) located near the middle of the door.
  14.  
  15. Remove the trim panel. For extended cab remove the rear access door wiring harness grommet to access the connector.
  16.  
  17. Remove the connector positive assurance (CPA) from the seat belt pretensioner - right connector.
  18.  
  19. Disconnect the seat belt pretensioner - right connector from the vehicle harness connector.
  20.  
  21. Remove the garnish molding.
  22.  
  23. Disconnect the roof rail module connector (1) from the vehicle harness.
  24.  

Zone 8



  1. Turn the steering wheel until the vehicle's wheels are pointing straight ahead.
  2.  
  3. Turn OFF the ignition.
  4.  
  5. Remove the key from the ignition.
  6.  
  7. Remove the trim panel.
  8.  
  9. Access the inflatable restraint I/P module inline connector C208 above the driver side kick panel.
    NOTE
    With the SIR fuse removed and the ignition ON, the AIR BAG indicator illuminates. This is normal operation and does not indicate an SIR system malfunction.

  10.  
  11. Remove the SIR fuse from the fuse block (1) located in the underhood fuse block.
  12.  
  13. Remove the connector position assurance (CPA) (1) from the steering wheel module yellow 4-way connector (1) located left of the steering column (2) above the left hinge pillar trim panel.

    Click image to see an enlarged view

    Fig. Steering wheel module yellow 4-way connector

  14.  
  15. Disconnect the steering wheel module yellow 4-way connector (1) located left of the steering column (2) above the left hinge pillar trim panel.
  16.  
  17. Remove the left door trim panel.
  18.  
  19. Remove the connector position assurance (CPA) (3) from the side impact sensor yellow 2-way connector (5) located near the middle of the door.
  20.  
  21. Disconnect the side impact sensor yellow 2-way connector (5) located near the middle of the door.
  22.  
  23. Remove the trim panel. For extended cab remove the rear access door wiring harness grommet to access the connector.
  24.  
  25. Remove the CPA from the seat belt pretensioner - left connector.
  26.  
  27. Disconnect the seat belt pretensioner - left connector from the vehicle harness connector.
  28.  
  29. Remove the garnish molding.
  30.  
  31. Disconnect the roof rail module connector (1) from the vehicle harness.
  32.  
  33. Remove the CPA from the I/P module yellow 4-way inline connector C208 (2) located above the driver side kick panel.
  34.  
  35. Disconnect the I/P module yellow 4-way inline connector C208 (2) located above the driver side kick panel.
  36.  
  37. Remove the right door trim panel.
  38.  
  39. Remove the CPA (3) from the side impact sensor yellow 2-way connector (5) located near the middle of the door.
  40.  
  41. Disconnect the side impact sensor yellow 2-way connector (5) located near the middle of the door.
  42.  
  43. Remove the trim panel. For extended cab remove the rear access door wiring harness grommet to access the connector.
  44.  
  45. Remove the CPA from the seat belt pretensioner - right connector.
  46.  
  47. Disconnect the seat belt pretensioner - right connector from the vehicle harness connector.
  48.  
  49. Remove the garnish molding.
  50.  
  51. Disconnect the roof rail module connector (1) from the vehicle harness.
  52.  

 
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