Mitsubishi Car 1999-05

Sunroof

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Power Sunroof



Diagnosis & Testing
3000GT
  1. Remove the sunroof motor assembly.
  2.  
  3. Check to be sure that the motor moves as described in the table when each terminal is connected to the battery.

    Click image to see an enlarged view

    Fig. Ensure the motor moves with the battery connected as follows to these terminals-3000GT

  4.  

Diamante
  1. Check the direction of rotation of the drive gear when the battery is connected to the connector.
  2.  
  3. With Terminal 1 connected to the negative (-) battery terminal and Terminal 2 connected to the positive (+) battery terminal, the motor should turn right.
  4.  
  5. With Terminal 2 connected to the negative (-) battery terminal and Terminal 1 connected to the positive (+) battery terminal, the motor should turn left.
  6.  

Eclipse And Galant
  1. Remove the sunroof fuse and connect an ammeter as shown in the illustration.
  2.  
  3. Press the sunroof switch to operate the sunroof, and then measure the operation current while the roof lid glass is moving (except when the sunroof starts to operate, when it is fully open, when it is fully closed and when it is fully tilted up). Ammeter should read 10 A or less.
  4.  
  5. If the operation current is outside the standard value, check the following points.
    1. Installation condition, warping or jamming of sunroof assembly
    2.  
    3. Sticking of drive cable
    4.  
    5. Tilt of roof lid glass

      Click image to see an enlarged view

      Fig. Connect an ammeter as shown to test the sunroof operation-Eclipse

    6.  

  6.  

Lancer
  1. Using an ohmmeter, check the continuity between the specified terminals.
    1. With the switch in the OPEN position, the continuity between terminals 4 and 5 should be less than 2 ohms.
    2.  
    3. With the switch in the TILT UP position, the continuity between terminals 3 and 4 should be less than 2 ohms.
    4.  
    5. With the switch in the SLIDE CLOSED or TILT DOWN position, the continuity between terminals 4 and 6 should be less than 2 ohms.

      Click image to see an enlarged view

      Fig. Connect an ohmmeter as shown to test the sunroof operation-Lancer

    6.  

  2.  

Removal & Installation
Motor
3000GT
  1. Fully open the sunroof and bring it in the tilted position.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Remove the roof lid trim.
  6.  
  7. Remove the roof lid mounting nuts, then lift off the roof lid.
  8.  
  9. Remove the sunroof switch assembly.
  10.  
  11. Remove the sunroof link assembly.
  12.  
  13. Remove the deflector.
  14.  
  15. Remove the headlining.
  16.  
  17. Remove the sunroof motor.

    Click image to see an enlarged view

    Fig. Exploded view of the sunroof assembly-3000GT

  18.  

To install:

  1. Remove the sunroof motor cover.
  2.  
  3. Align the main gear tooth with the square hole in the transmission gear.
  4.  
  5. While keeping this gear position, turn the drive gear in the direction given by the arrow to rotate the transmission gear 180°.
  6.  
  7. Then, check to ensure that the alignment mark on the transmission gear is on the vertical line.
  8.  
  9. Press the roof lid against the front holder while keeping it in the tilted-up position.
  10.  
  11. Install the sunroof motor.
  12.  
  13. The remainder of the installation is the reverse order of removal.
  14.  

Diamante
  1. Remove the sunroof switch assembly.
  2.  
  3. Remove the headliner as follows:
    1. Remove the sun visor assembly.
    2.  
    3. Remove the sun visor clips.
    4.  
    5. Remove the dome light.
    6.  
    7. Remove the assist grips.
    8.  
    9. While bending the headliner slightly, pull it through the front door opening to remove.
    10.  

  4.  
  5. Remove the sunroof ECU.
  6.  
  7. Remove the headliner bracket.
  8.  
  9. Remove the sunroof motor assembly.
    CAUTION
    When removing the sunroof motor, always be sure to fully close the roof lid glass. If the roof lid glass and the sunroof motor are not both in the fully-closed positions, the sunroof will not operate properly.

  10.  
  11. Installation is the reverse order of removal.
  12.  

Eclipse
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the headliner as follows:
    1. Remove the sun visor assembly.
    2.  
    3. Remove the sun visor bracket.
    4.  
    5. Remove the sunroof switch cover.
    6.  
    7. Remove the headliner trim.
    8.  
    9. Remove the headliner.
      CAUTION
      Always close the roof lid glass fully before removing the sunroof motor. If the fully-closed positions of the roof lid glass and the sunroof motor are not the same, the sunroof will not operate properly.

    10.  

  4.  
  5. Disconnect the electrical harness and remove the sunroof motor assembly.
  6.  

To install:

  1. If the sunroof motor assembly is out of its fully closed position, adjust the motor position by the following steps before installation:
    1. Remove the sunroof motor assembly without disconnecting the sunroof motor assembly connector.
    2.  
    3. Close the sunroof lid glass fully.
    4.  
    5. Push the sunroof close switch until the sunroof motor assembly stops turning. Repeat this operation until the motor does not turn at all. Then install the motor assembly to the roof.
    6.  

  2.  
  3. Install the sunroof motor assembly.
  4.  
  5. The remainder of the installation is the reverse order of assembly.
  6.  

Galant
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the headliner as follows:
    1. Remove the sun visor assembly.
    2.  
    3. Remove the sun visor bracket.
    4.  
    5. Remove the dome light assembly.
    6.  
    7. Remove the sunroof switch cover.
    8.  
    9. Remove the coat hanger.
    10.  
    11. Remove the front and rear roof pad.
    12.  
    13. Remove the headliner trim.
    14.  
    15. Remove the headliner.
    16.  

  4.  
  5. Remove the three screws and remove the sunroof switch bracket.
    CAUTION
    Always close the roof lid glass fully before removing the sunroof motor. If the fully-closed positions of the roof lid glass and the sunroof motor are not the same, the sunroof will not operate properly.

  6.  
  7. Remove the sunroof motor assembly.
  8.  

To install:

  1. If the fully-closed position of the sunroof motor is incorrect, set the motor to the fully-closed position by the procedure given blow before installing the motor:
    1. Connect a circuit analyzer between terminals (5) and (6) of the motor connector.
    2.  
    3. Operate the motor until the position is reached at which continuity switches from on to off or from off to on, and then install the motor.
    4.  

  2.  
  3. The remainder of the installation is the reverse order of removal.
  4.  

Lancer
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the headliner as follows:
    1. Remove the assist grip.
    2.  
    3. Remove the front dome light (and sunglasses pocket, if equipped).
    4.  
    5. Remove the sunroof switch trim panel
    6.  
    7. Remove the sun visor and sun visor holder by inserting Special Tool MB990784 into sides claws of the sun visor holder through the both sides of the sun visor holder to remove the hinges.
    8.  
    9. Remove the headliner by bending the headliner through the front passenger's door.
    10.  

  4.  
  5. Remove the sunroof motor assembly.
  6.  

To install:

  1. Connect the sunroof motor assembly connector and the sunroof switch connector to the vehicle wiring harness connector.
  2.  
  3. Operate the sunroof switch to slide the roof lid glass to the fully-open position, and then tilt it up in steps of 1.18 inches (30 mm) to the fully-open position and then keep pressing the switch for 0.5 seconds or more.
  4.  
  5. The remainder of the installation is the reverse order of removal.
  6.  

Switch
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the switch cover.
  4.  
  5. Disconnect and remove the sunroof switch panel assembly.
  6.  
  7. Remove the sunroof switch.
  8.  
  9. Installation is the reverse order of removal.
  10.  

 
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