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John Miller
John Miller, ASE Certified Master Tech
Category: Ford
Satisfied Customers: 199
Experience:  37 yrs auto repair experience, Host of the Car Counselor Show on Talk Radio 950 KPRC Houston TX
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Reset code for the rear window of a 2002 ford explorer sport trac?

Customer Question

what is the reset code for the rear window of a 2002 ford explorer sport trac?
Submitted: 7 years ago.
Category: Ford
Expert:  John Miller replied 7 years ago.

Power Rear Window

the second part of this is what you need but i included it all for you

NOTE: The power rear window motor is not on the multiplex link. Any diagnosis and testing carried out on the power rear window will not involve the GEM module.

The power rear window motor is a 8-pin motor with integral electronics. The power rear window control switch is located on the instrument panel adjacent to the radio and provides a ground signal to the motor to signal an open, close or vent request. The integral electronics on the motor allow the power rear window to be moved to three positions: fully open, fully closed and vent (approximately two inches down from fully closed). The control switch is rotated clockwise and released to fully close the window, rotated counterclockwise and released to fully open the window, and pushed and released to actuate the window to the vent position.

The power rear window motor plastic pinion gear is mated to the drum housing of a single rail drum and cable window regulator. The motor is attached to the plastic drum housing by three screws. The motor uses internal Hall effect sensor feedback coupled to the microprocessor, to determine window position and operate the power rear window. If the microprocessor is not receiving the Hall effect sensor pulses, the motor will run for approximately half a second , then enter error mode (window will become inoperative). The motor contains a thermal breaker to protect the motor windings from over-current/over-temperature operation. Continued successive operation of the motor will cause the thermal breaker to open, causing a loss of power until the power rear window motor cools.

The power rear window motor operates with the ignition switch in the RUN/ACC position only and is sensed by the RUN/ACC and logic ground inputs. The motor is supplied with battery power and draws a key off load of approximately 1 mA . All of the high current required to move the window is supplied through the battery and motor ground inputs. The loss of either logic or motor ground will cause this system to become inoperative. For correct functionality, both power feeds and both ground feeds must be intact at the power rear window motor.

If a down or vent command is selected while the ignition switch is in the RUN/ACC position, and the ignition switch is turned to OFF or START, the window will move to the fully open or vent position and stop. If an up command is selected while the ignition switch is in the RUN/ACC position, and the ignition switch is turned to OFF or START, the window will stop if it is between vent and fully closed, or will move to the vent position and stop if it is between vent and fully open.

If an obstacle is detected in the power rear window opening as the window is closing upward, the window will automatically reverse direction and move toward the fully open position. This is known as "bounce-back". If, during a bounce-back condition, the power rear window control switch is released, then held in the up direction for at least two seconds , the window will travel up with no bounce-back protection (security override). If the ignition switch is turned to OFF or START, the window will reverse direction with bounce-back re-enabled. Ice, contaminant buildup, and environmentally induced tight spots in the window seals are all possible uses for the security override feature.

If power (B+) is disconnected from the power rear window motor while the window is in motion, the motor will enter position recovery mode when power is restored. Position recovery mode allows up and down movement of window in 15 mm (0.6 in) increments until the motor stalls the window glass in the upper header seal. If no internal or external faults exist, the motor will automatically resume normal operation.

The power rear window control switch is supplied with illumination ground inputs used to illuminate the control switch when the headlamp switch is turned to the PARK or ON position. These switch inputs do not affect operation of the window. The control switch uses the main ground input which is transferred to the open, closed, or vent outputs by closing a switch contact. If the main ground signal is missing, the window will become inoperative.

If the power rear window control switch, or its associated wiring, develops an open circuit, that function will become inoperative. If the open contact or associated wiring develops an open circuit, the window will only travel to the vent or fully closed positions. If the close contact or associated wiring develops an open circuit, the window will only travel to the fully open or vent positions. If the vent contact or associated wiring develops an open circuit, the window will only travel to the fully open or closed positions.

The power rear window motor will suspend normal operation if a power rear window control switch error exists. A control switch error is defined as open and close, open and vent, close and vent, or open, close and vent energized at the same time. The window will be inoperative if a control switch error is present.

If the motor is removed from the window regulator drum housing, or if a new motor is installed, the window must be initialized. A new motor will be in error mode and inoperative until initialized. Refer to Rear Window Motor Initialization. For positioning the window regulator for glass removal/installation, refer to Rear Window Positioning.

The power rear window will automatically adjust to system changes throughout its life. Changes in seal drag and slight changes in the fully closed position will occur and are automatically compensated for. Once initialized, the motor will soft stall into the upper and lower positions, contributing to the extended durability of the system.

CAUTION: Make sure that no obstructions are present in the power rear window system when carrying out this procedure.

NOTE:

  • This procedure must be carried out when repairs are performed on any part of the power rear window system including when: the power rear window motor is removed from the window regulator drum housing, a new power rear motor is installed, a new power rear window regulator is installed, a new power rear window module is installed, and any operation in which grease or lubricants are applied to the power rear window system.
  • All power rear window components (window glass module, window regulator, window motor, and glass runs) must be installed and torqued to specification before carrying out this procedure.
  • Steps 1-6 must be completed within 30 seconds . The entire procedure must be completed within five minutes .
  • Once the ignition key is turned to the ON position in Step 6, it must remain on until the entire procedure is completed.
  • Steps 7 and 9 require that the power rear window control switch be held in the closed position until the power rear window motor stalls the window in the upper header seal. Step 8 requires that the window control switch be momentarily turned to the open position.
  1. Start with the ignition in the OFF position.
  2. Turn the ignition to the ON position.
  3. Press the power rear window control switch vent button six times.
  4. Turn the ignition to the OFF position.
  5. Press the power rear window control switch vent button six times.
  6. Turn the ignition to the ON position. The power rear window will move up-down-up-down approximately 20 mm (0.8 in) . This movement indicates that the power rear window motor has entered initialized mode.
  7. Rotate and hold the power rear window control switch to the closed position until the window stalls in the upper header seal.
  8. Momentarily rotate the power rear window control switch to the open position and release. The power rear window will carry out a one-touch down operation until the window stalls at the bottom of the travel stop designed into the window regulator.
  9. Rotate and hold the power rear window control switch to the closed position until the window stalls into the upper header seal. Once this operation is complete, the window will move up-down-up-down approximately 20 mm (0.8 in) . This movement indicates that the power rear window motor has been successfully initialized.
  10. Verify correct operation of the power rear window by moving the window to the fully open, vent, then fully closed positions.

 

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John Miller
John Miller
Ford Mechanic
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37 yrs auto repair experience, Host of the Car Counselor Show on Talk Radio 950 KPRC Houston TX