Infinity_FX35_FX45_2003-2005

Power Door Locks

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Door Lock Motor



Removal & Installation
Front Door

The door lock actuator is part of the door lock assembly.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Remove the power window/door lock switch assembly.
  6.  
  7. Remove the door finisher cap on the inside handle portion of the door panel. Remove the bolt.
  8.  
  9. Remove the door grip cap and remove the bolts for the door grip.
  10.  
  11. Insert a flat bladed tool between the panel on the vehicle and the retaining clips. Remove the door panel.
  12.  
  13. Pull up on the panel and remove the electrical connectors.
  14.  
  15. Remove the lock knob cable, inside handle cable and illumination harness connector from the backside of the inside handle assembly.
  16.  
  17. Remove the inside handle screws and completely remove the door panel from the vehicle.
  18.  
  19. Disconnect the inside handle knob cable and lock knob cable from the back side of the door panel.
  20.  
  21. Remove the door glass and module assembly.
  22.  
  23. Remove the door side grommet, and remove the door key cylinder assembly (drivers side) or the outside handle escutcheon (passenger side) from the grommet hole.
  24.  
  25. Separate the key cylinder rod connection (on the handle).
  26.  
  27. While pulling the outside handle, remove then door key cylinder assembly (drivers side) or the outside handle escutcheon (passenger side).
  28.  
  29. Disconnect the door request switch connector, if equipped with intelligent key system.
  30.  
  31. While pulling the outside handle, slide it toward the rear of the vehicle to remove the handle.
  32.  
  33. Remove the front and rear gasket.
  34.  
  35. Remove the outside handle bracket retaining bolt.
  36.  
  37. While pulling the outside handle bracket, slide it toward the front of the vehicle to remove the outside handle bracket.
  38.  
  39. Separate the outside cable connection.
  40.  
  41. Remove the door lock assembly.
  42.  

To install:

  1. Installation is the reverse of the removal procedure.
  2.  
  3. When installing each rod, be sure to rotate the rod holder until a click is felt.

    Click image to see an enlarged view

    Fig. Front door lock assembly and related components



    Click image to see an enlarged view

    Fig. Front and rear door panel and related components

  4.  

Rear Door
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Remove the power window/door lock switch assembly.
  6.  
  7. Remove the door finisher cap on the inside handle portion of the door panel. Remove the bolt.
  8.  
  9. Remove the door grip cap and remove the bolts for the door grip.
  10.  
  11. Insert a flat bladed tool between the panel on the vehicle and the retaining clips. Remove the door panel.
  12.  
  13. Pull up on the panel and remove the electrical connectors.
  14.  
  15. Remove the lock knob cable, inside handle cable from the backside of the inside handle assembly.
  16.  
  17. Remove the inside handle screws and completely remove the door panel from the vehicle.
  18.  
  19. Disconnect the inside handle knob cable and lock knob cable from the back side of the door panel.
  20.  
  21. Remove the door sealing, glass and corner piece assembly.
  22.  
  23. Remove the door side grommet, and remove the outside handle escutcheon bolt from the grommet.
  24.  
  25. While pulling the outside handle, remove the outside handle escutcheon.
  26.  
  27. While pulling the outside handle, slide it toward the rear of the vehicle to remove the outside handle.
  28.  
  29. Remove the front and rear gasket.
  30.  
  31. Remove the bolt and remove the outside handle bolt.
  32.  
  33. While pulling on the outside handle, slide it toward the front of the vehicle to remove the outside handle bracket.
  34.  
  35. Separate the outside handle cable connection.
  36.  
  37. Remove the lock retaining bolts. Remove the lock assembly from the vehicle.
  38.  

To install:

  1. Installation is the reverse of the removal procedure.
  2.  
  3. When installing each rod, be sure to rotate the rod holder until a click is felt.

    Click image to see an enlarged view

    Fig. Rear door lock assembly and related components

  4.  

Door Lock Diagnosis & Testing





Click image to see an enlarged view

Fig. Power door lock components and harness connector locations



Click image to see an enlarged view

Fig. Power door lock wiring schematic-with intelligent key system



Click image to see an enlarged view

Fig. Power door lock wiring schematic-without intelligent key system

Door Lock Switch



Removal & Installation
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Carefully pry upward on the switch assembly.
  6.  
  7. Disconnect the electrical connectors from the switch assembly.
  8.  
  9. Remove the switch assembly.
  10.  

To install:

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

 
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