Toyota 4Runner manuals

Toyota 4Runner: Initialization

INITIALIZATION

1. INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY

NOTICE:

  • Before starting this operation, make sure that the guide rails are not deformed and there is no foreign object on the guide rails.
  • When the sliding roof glass is adjusted or removed/installed, or the sliding roof drive gear sub-assembly is replaced, the sliding roof drive gear sub-assembly must be initialized (pulse sensor initial position setting). Failure to perform initialization could result in displacement of the roof glass set position, defects in the automatic system or the roof glass moving in the reverse direction.
  • During initialization, do not apply a force to the vehicle, such as opening/closing a door or driving the vehicle at 5 km/h (3 mph) or more, and do not perform the following electrical operations:
    1. Cranking the engine
    2. Turning the ignition switch from ON to off
    3. Operating the power window switches
    4. Operating the window defogger switch
    5. Operating the blower switch
    6. Locking/unlocking a door
    7. Operating the headlight dimmer switch
    8. Operating the power seat switch

HINT:

The sliding roof switch assembly is attached to the roof console box assembly.

(a) Initialization

HINT:

Perform initialization according to the table below.

Condition of Sliding Roof

Proceed to

The auto slide open and close/tilt up and down function does not operate.

Procedure A

The sliding roof automatically moves, but the sliding roof glass does not stop at the correct position (displacement occurs) or the sliding roof glass moves in the reverse direction during the tilt down operation.

Procedure B

The sliding roof automatically moves, but the sliding roof glass moves in the reverse direction during the slide close operation.

Procedure C

When drive parts or the sliding roof glass is removed/installed or replaced.

Procedure D

(1) Procedure A

  1. Turn the ignition switch to ON.
  2. Fully close the sliding roof glass and release the sliding roof switch.
  3. Press and hold the tilt up switch.
  4. Sliding roof glass moves in the following order: tilt up → 1 second pause → tilt down → slide open → slide close.
  5. Continue pressing the tilt up switch until the sliding roof glass is in the fully closed position, and then release the switch.

    NOTICE:

    Press and hold the tilt up switch until step 5 is completed. If the switch is released before step 5 is completed, repeat the operation starting at step 2.

  6. Make sure that the sliding roof operates automatically in the normal manner.

(2) Procedure B

  1. Turn the ignition switch to ON.
  2. Press the tilt up switch to move the sliding roof glass into the fully tilted up position and then release the tilt up switch.

    HINT:

    • If the sliding roof glass cannot be fully tilted up due to misalignment of the roof glass, press and hold the slide close switch until the sliding roof glass stops closing, and then press and hold the tilt up switch until the sliding roof glass stops tilting up.
    • If the sliding roof glass moves in the reverse direction while it is being closed, repeatedly tap the slide close switch at short intervals to fully close the sliding roof glass. When the sliding roof glass is fully closed, press the tilt up switch to move the sliding roof glass into the fully tilted up position.
  3. Press and hold the tilt up switch again for 10 seconds to move the sliding roof glass in the following order: tilt up → 1 second pause → tilt down → slide open → slide close.

    NOTICE:

    • While performing step 3, continue to hold the switch until the sequence of operations finishes and the roof glass is in the fully closed position. If the tilt up switch is released before 10 seconds elapse, start this step over.
    • While performing step 3, continue to hold the switch until the sequence of operations finishes and the roof glass is in the fully closed position. If the switch is released after 10 seconds elapse and the roof glass is not in the fully closed position, the automatic operation will not function. In this case, perform procedure A to complete the initialization.
  4. Continue pressing the tilt up switch until the sliding roof glass is in the fully closed position, and then release the switch.

    NOTICE:

    Press and hold the tilt up switch until step 4 is completed.

  5. Make sure that the sliding roof operates automatically in the normal manner.

(3) Procedure C

  1. Turn the ignition switch to ON.
  2. Press and hold the slide close switch to move the sliding roof glass in the following order: slide closed → move in the reverse direction → pause → start closing after approximately 10 seconds → tilt up → 1 second pause → tilt down → slide open → slide close.

    NOTICE:

    • While performing step 2, continue to hold the switch until the sequence of operations finishes and the roof glass is in the fully closed position. If the slide close switch is released before 10 seconds elapse, start this step over.
    • While performing step 2, continue to hold the switch until the sequence of operations finishes and the roof glass is in the fully closed position. If the switch is released after 10 seconds elapse and the roof glass is not in the fully closed position, the automatic operation will not function. In this case, perform procedure A to complete the initialization.
  3. Continue pressing the tilt up switch until the sliding roof glass is in the fully closed position, and then release the switch.

    NOTICE:

    Press and hold the slide close switch until step 3 is completed.

  4. Make sure that the sliding roof operates automatically in the normal manner.

(4) Procedure D


HINT:

Tape the screwdriver tip before use.

NOTICE:

  • When removing the sliding roof drive gear sub-assembly, remove it when the sliding roof glass is at the fully closed position.
  • When installing the sliding roof drive gear sub-assembly, using a screwdriver, align the matchmarks by sliding the drive cable in the directions indicated by the arrow in the illustration and then install it.
Text in Illustration

*1

Matchmark A

*2

Matchmark B

*3

Protective Tape

Slide

  1. When replacing the sliding roof drive gear sub-assembly with a new one.
    1. Remove the sliding roof drive gear sub-assembly.

      HINT:

      If drive parts or the sliding roof glass needs to be replaced or adjusted, perform the replacement or adjustment during this procedure.

    2. Using a screwdriver, align the matchmarks by sliding the drive cable in the directions indicated by the arrow in the illustration.
    3. Install a new sliding roof drive gear sub-assembly, and then perform procedure A for initialization.
  2. When replacing or adjusting drive parts and the sliding roof glass without replacing the sliding roof drive gear sub-assembly.
    1. If the automatic functions of the sliding roof glass operate normally, replace and adjust parts as necessary and perform procedure B for initialization.
    2. If the automatic functions of the sliding roof glass do not operate normally, replace and adjust parts as necessary and perform procedure A for initialization.
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