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    2006 Honda Civic EX 1.8L FI SOHC 4cyl

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    Buick Regal 1997-2000

    Multi-Function (Combination) Switch

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    Removal & Installataion



    On many W-Body vehicles, the Turn Signal Switch is combined with several other functions including Cruise Control, Washer/Wipers, Headlights and High Beam/Low Beam Control. Because of this, the switch is commonly called a Combination Switch, or as GM calls it, a Multifunction Switch.

    Bowl Type Steering Columns (Without Removable Shrouds)

    These steering columns have a steel anti-theft plate designed to protect the ignition lock, but it also prevents access to the turn signal switch. It requires a special tool for removal.

    One important component just under the steering wheel is the SIR Coil. Since so many wires run to the face of the steering wheel including the all-important air bag connections, a special wiring device called the SIR Coil is used to allow the steering wheel to turn freely yet, still provide reliable wiring connections through a "ribbon cable" arrangement. Care must be used to always center the front wheels and lock the steering column when working on the steering wheel and related components. Failure to do so may cause the SIR coil assembly to become uncentered and may result in otherwise unneeded SIR repairs.


    CAUTION
    All models covered herein are equipped with a Supplemental Inflatable Restrain (SIR) System using multiple air bags. Whenever working near any of the SIR components, such as the steering wheel, the air bag module, steering column and instrument panel, disable the SIR system, as described in Section 6.

    1. Disconnect the negative battery cable.
    2.  
    3. Center the front wheels and lock the steering column. Remove the key from the ignition.
    4.  
    5. Disable the SIR system using the procedures found in Section 6.
    6.  
    7. Remove the steering wheel using the procedures found in this section.
    8.  
    9. Remove the SIR coil retaining ring and remove the assembly. Let the coil hang freely. There should be a wave washer under the coil on the steering shaft. Remove and retain the wave washer.
    10.  
    11. Special tool GM J 23653-SIR or its exact equivalent is required to press down the lockplate against spring pressure so the retaining ring can be removed. Because of the spring pressure against the bottom of the lockplate, this job is difficult without the proper tool. Use care if using any substitute tool since the steering shaft threads and splines can become damaged requiring expensive replacement. Remove the ring, then the lockplate.
    12.  



    Click image to see an enlarged view

    Fig. Remove the SIR coil assembly from the steering shaft



    Click image to see an enlarged view

    Fig. A special tool is required to depress the lockplate so the retaining ring can be removed



    Click image to see an enlarged view

    Fig. Removing the components from the upper shaft. Note the steering shaft lock plate (1)



    Click image to see an enlarged view

    Fig. Remove the housing cover end cap



    Click image to see an enlarged view

    Fig. Removing the pivot and pulse-dimmer switch



    Click image to see an enlarged view

    Fig. Turn signal switch removal

    1. Remove the upper bearing inner race seat and then remove the inner race.
    2.  
    3. Remove the multi-function lever, as follows:
      1. Make sure the lever is in the OFF position.
      2.  
      3. Detach the electrical connection behind the lever.
      4.  
      5. Pull the lever straight out.
      6.  

    4.  
    5. Remove the housing end cap. Using your fingers, pry up and out, tilting the end cap away from the lock housing cover and sleeve assembly, then remove.
    6.  
    7. Unfasten the round washer head screw and the flat head screw.
    8.  
    9. Remove the pivot and pulse dimmer switch assembly. Let the switch hang freely if removal is not needed.
    10.  
    11. Using a suitable prytool, carefully pry off the hazard warning switch knob.
    12.  
    13. Place the turn signal in the right turn position (up). Unfasten the three binding head cross recess screws.
    14.  
    15. Remove the turn signal switch, as follows:
      1. Detach the turn signal connector.
      2.  
      3. Remove the wiring protector.
      4.  
      5. Gently pull the wiring harness through the column and remove the switch.
      6.  

    16.  
    17. Installation is the reverse of the removal procedure.
    18.  
    19. Connect the negative battery cable, then enable the SIR system, using the procedures found in Section 6.
    20.  

    Steering Columns With Removable Shrouds
    1. Make sure the multifunction lever is in the OFF position.
    2.  
    3. Disconnect the negative (ground) battery cable.
    4.  
    5. Disable the SIR system. Please see Section 6.
    6.  
    7. Remove the air bag module from the steering wheel using the procedures found under steering wheel removal, in this section.
    8.  
    9. Remove the steering wheel using the procedures found in this section.
    10.  



    Click image to see an enlarged view

    Fig. Typical multifunction switch removal

    1. Remove the screws from the lower steering column cover. It may be helpful to tilt the column down and slide the cover back to disengage the plastic locking tabs. Work carefully. The plastic column covers are easily damaged.
    2.  
    3. Remove the screws from the upper steering column cover and lift off the cover.
    4.  
    5. Disconnect the wire harness strap.
    6.  
    7. It is likely that wire ties restrain the multifunction switch harness. Cut off the plastic wire ties.
    8.  
    9. Detach the steering column harness connector from the vehicle wire harness.
    10.  
    11. Remove the two tapping screws and separate the turn signal and multifunction switch assembly from the steering column.
    12.  
    13. Installation is the reverse of the removal process. Use new plastic wire ties to secure the harness as before.
    14.  
    15. Test all multifunction switch operations.
    16.  

     
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