Infiniti Car 1998-05

Multi-Function Switch

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NOTE
Before servicing, or working around, the SRS system, turn the ignition switch OFF, disconnect both battery cables and wait at least three minutes. When servicing, or working around, the SRS system do not work directly in front of the air bag module.

Removal & Installation



G20


Click image to see an enlarged view

Fig. Multi-function switch schematic-G20



Click image to see an enlarged view

Fig. Multi-function switch and related components-G20

  1. Before servicing the vehicle, refer to the Precautions section.
    CAUTION
    The air bag system must be disarmed before removing the steering wheel. Failure to do so may cause accidental deployment, property damage or personal injury.

  2.  
  3. Point the front tires straight ahead and lock the steering in this position.
  4.  
  5. Remove the air bag module. Remove the spiral cable.
  6.  
  7. Remove the steering wheel.
  8.  
  9. Disconnect the switch electrical connectors. Remove the switch from its mounting.
    NOTE
    Each switch can be replaced without removing the combination switch base.

  10.  
  11. If removing the combination switch base, remove the base attaching screw.
  12.  

To install:

  1. Installation is the reverse of the removal procedure.
    NOTE
    Before installing the steering wheel, align the steering wheel guide pins with the screws that secure the combination switch.

  2.  

G35


Click image to see an enlarged view

Fig. Drivers side air bag module and related components-G35



Click image to see an enlarged view

Fig. Spiral cable and related components-G35


NOTE
Before servicing, or working around, the SRS system, turn the ignition switch OFF, disconnect both battery cables and wait at least three minutes. When servicing, or working around, the SRS system do not work directly in front of the air bag module.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Position the front wheels in the straight ahead position.
  4.  
  5. Disconnect the negative battery cable. Disconnect the positive battery cable.
  6.  
  7. Remove the side lids. Using the proper Torx head tool, remove the left and right special bolts.
  8.  
  9. Disconnect the steering wheel switch sub harness connector. Disconnect the air bag harness connector.
  10.  
  11. Remove the air bag module.
  12.  
  13. Remove the steering wheel retaining bolt. Using the proper removal tool, remove the steering wheel.
  14.  
  15. Remove the upper and lower steering column covers.
  16.  
  17. Loosen the spiral cable retaining screws. Remove the spiral cable.
    NOTE
    Do not disassemble the spiral cable. Do not apply lubricant to the spiral cable.

  18.  
  19. Disconnect the horn switch connector and then the spiral cable connectors.
    NOTE
    Do not tap or bump the steering wheel.

  20.  
  21. Remove the wiper switch and lighting switch from the spiral cable.
    NOTE
    With the steering linkage disconnected, the spiral cable may snap by turning the steering wheel beyond the limited number of turns. The spiral cable can be turned counterclockwise about 2.5 turns from the right end position.

  22.  

To install:

  1. Be sure the front wheels are in the straight position.
  2.  
  3. Be sure to align the spiral cable correctly when installing the steering wheel. Make sure that the spiral cable is in the neutral position.
    NOTE
    The neutral position is detected by turning to the left 2.5 revolutions from the right end position and ending with the knob at the top. The spiral cable may snap due to steering operation if the cable is installed incorrectly. Also, with the steering linkage disconnected the cable may snap by turning the steering wheel beyond the limited number of turns (2.5 from the neutral position to both the left and right).



    Click image to see an enlarged view

    Fig. Spiral cable adjusting mark-G35

  4.  
  5. Continue the installation in the reverse order of the removal procedure.
  6.  
  7. Be sure to use new retaining screws when installing the air bag module. Torque the special bolts to 11-18 inch lbs.
  8.  
  9. Perform the self diagnosis using the CONSULT-II tool or equivalent to ensure that the entire SRS system is operating properly.
  10.  
  11. Turn the steering wheel completely to the left detent and than to the right detent to be sure that the spiral cable is set in the neutral position.
  12.  
  13. If the air bag warning lamp blinks or stay ON (at the user mode) it shows that the spiral cable may be snapped due to improper positioning.
    NOTE
    If that-s the case perform the self diagnosis test again and replace the spiral cable as required.

  14.  

I35


Click image to see an enlarged view

Fig. Multi-function switch schematic-I35


NOTE
Before servicing, or working around, the SRS system, turn the ignition switch OFF, disconnect both battery cables and wait at least three minutes. When servicing, or working around, the SRS system do not work directly in front of the air bag module.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Position the front wheels in the straight ahead position.
  4.  
  5. Disconnect the negative battery cable. Disconnect the positive battery cable.
  6.  
  7. Remove the side lids. Using the proper Torx head tool, remove the left and right special bolts.
  8.  
  9. Disconnect the air bag module connector and horn connector.
  10.  
  11. Remove the air bag module. Remove the steering switches from the air bag module.
  12.  
  13. Position the steering wheel in the neutral position. Disconnect the horn connector and remove the nuts.
  14.  
  15. Remove the steering wheel retaining bolt. Using the proper removal tool, remove the steering wheel.
  16.  
  17. Remove the instrument panel lower cover, driver-s side. Remove the steering column cover.
    NOTE
    Each switch can be removed without removing the spiral cable.

  18.  
  19. Remove the headlight switch or wiper and washer switch mounting screw.
  20.  
  21. Remove the headlight switch or wiper and washer switch from the spiral cable.
  22.  
  23. Disconnect the headlight switch or wiper and washer switch connector.

    Click image to see an enlarged view

    Fig. Multi-function switch and related components-I35

  24.  

To install:

  1. Installation is the reverse of the removal procedure.
  2.  

M45

NOTE
Before servicing, or working around, the SRS system, turn the ignition switch OFF, disconnect both battery cables and wait at least three minutes. When servicing, or working around, the SRS system do not work directly in front of the air bag module.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Position the front wheels in the straight ahead position.
  4.  
  5. Disconnect the negative battery cable. Disconnect the positive battery cable.
  6.  
  7. Remove the left and right steering switches.
  8.  
  9. Using the proper Torx head tool, remove the left and right special bolts.
  10.  
  11. Disconnect the steering wheel switch sub harness connector. Disconnect the air bag harness connector.
  12.  
  13. Remove the air bag module.
  14.  
  15. Remove the steering column cover. Disconnect the spiral cable connector and horn connector.
  16.  
  17. Remove the steering wheel retaining bolt. Using the proper removal tool, remove the steering wheel.
    NOTE
    Do not tap or bump the steering wheel.

  18.  
  19. Loosen the spiral cable retaining screws. Remove the spiral cable.
    NOTE
    Do not disassemble the spiral cable. Do not apply lubricant to the spiral cable.

  20.  
  21. Remove the wiper switch and lighting switch from the spiral cable.
  22.  
  23. Disconnect the horn switch connector and remove the spiral cable connector.
    NOTE
    With the steering linkage disconnected, the spiral cable may snap by turning the steering wheel beyond the limited number of turns. The spiral cable can be turned counterclockwise about 2.5 turns from the right end position.

  24.  

To install:

  1. Be sure the front wheels are in the straight position.
  2.  
  3. Be sure to align the spiral cable correctly when installing the steering wheel. Make sure that the spiral cable is in the neutral position.
    NOTE
    The neutral position is detected by turning to the left 2.5 revolutions from the right end position and ending with the knob at the top. The spiral cable may snap due to steering operation if the cable is installed incorrectly. Also, with the steering linkage disconnected the cable may snap by turning the steering wheel beyond the limited number of turns (2.5 from the neutral position to both the left and right).



    Click image to see an enlarged view

    Fig. Spiral cable adjusting mark-M45

  4.  
  5. Continue the installation in the reverse order of the removal procedure.
  6.  
  7. Be sure to use new retaining screws when installing the air bag module. Torque the special bolts to 11-18 inch lbs.
  8.  
  9. Perform the self diagnosis using the CONSULT-II tool or equivalent to ensure that the entire SRS system is operating properly.
  10.  
  11. Turn the steering wheel completely to the left detent and than to the right detent to be sure that the spiral cable is set in the neutral position.
  12.  
  13. If the air bag warning lamp blinks or stay ON (at the user mode) it shows that the spiral cable may be snapped due to improper positioning.
    NOTE
    If that-s the case perform the self diagnosis test again and replace the spiral cable as required.

  14.  

Q45

NOTE
Before servicing, or working around, the SRS system, turn the ignition switch OFF, disconnect both battery cables and wait at least three minutes. When servicing, or working around, the SRS system do not work directly in front of the air bag module.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Position the front wheels in the straight ahead position.
  4.  
  5. Disconnect the negative battery cable. Disconnect the positive battery cable.
  6.  
  7. On 1998-2001 vehicles remove the lower lid from the steering wheel. Disconnect the air bag module connector.
  8.  
  9. Remove the side lids. Using the proper Torx head tool, remove the left and right special bolts.
  10.  
  11. Lift up the air bag module. Remove the air bag module.
    NOTE
    When removing the air bag module connector, insert a thin bladed tool wrapped in tape into the notch, lift the lock connector and remove the connector.

  12.  
  13. Disconnect the air bag harness connector.
  14.  
  15. Remove the ASCD and audio steering switch from the air bag module.
  16.  
  17. Remove the steering wheel retaining bolt. Disconnect the horn connector.
  18.  
  19. Using the proper removal tool, remove the steering wheel.
  20.  
  21. Remove the spiral cable retaining screws, and while pushing the upper plastic tab, remove the spiral cable.
    NOTE
    Do not disassemble the spiral cable. Do not apply lubricant to the spiral cable.

  22.  
  23. Disconnect the horn switch connector and then the spiral cable connectors.
    NOTE
    Do not tap or bump the steering wheel.

  24.  
  25. Remove the wiper switch and lighting switch from the spiral cable.
    NOTE
    With the steering linkage disconnected, the spiral cable may snap by turning the steering wheel beyond the limited number of turns. The spiral cable can be turned counterclockwise about 2.5 turns from the right end position.

  26.  

To install:

  1. Be sure the front wheels are in the straight position.
  2.  
  3. Be sure to align the spiral cable correctly when installing the steering wheel. Make sure that the spiral cable is in the neutral position.
    NOTE
    The neutral position is detected by turning to the left 2.5 revolutions from the right end position and ending with the knob at the top. The spiral cable may snap due to steering operation if the cable is installed incorrectly. Also, with the steering linkage disconnected the cable may snap by turning the steering wheel beyond the limited number of turns (2.5 from the neutral position to both the left and right).



    Click image to see an enlarged view

    Fig. Spiral cable adjusting mark--1998-2001 Q45



    Click image to see an enlarged view

    Fig. Spiral cable adjusting mark--2002-2005 Q45

  4.  
  5. Continue the installation in the reverse order of the removal procedure.
  6.  
  7. Be sure to use new retaining screws when installing the air bag module. Torque the special bolts to 11-18 inch lbs.
    NOTE
    When installing the air bag module connector, insert a thin bladed tool wrapped in tape into the notch, lift the lock connector and remove the connector. Install the connector with the lock raised and push the lock into the connector.

  8.  
  9. Perform the self diagnosis using the CONSULT-II tool or equivalent to ensure that the entire SRS system is operating properly.
  10.  
  11. Turn the steering wheel completely to the left detent and than to the right detent to be sure that the spiral cable is set in the neutral position.
  12.  
  13. If the air bag warning lamp blinks or stay ON (at the user mode) it shows that the spiral cable may be snapped due to improper positioning.
    NOTE
    If that-s the case perform the self diagnosis test again and replace the spiral cable as required.

  14.  

 
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