Filed Under (Chevrolet) by admin on 10-04-2011
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Power Door Locks Inoperative Diagnostic Instructions • Perform the Diagnostic System Check – Vehicle prior to using this diagnostic procedure. • Review Strategy Based Diagnosis for an overview of the diagnostic approach. • Diagnostic Procedure Instructions provides an overview of each diagnostic category. Diagnostic Fault Information Circuit Switch Side Supply Voltage Relay Door Lock/Unlock Signal Door Latch Control Driver Door Lock Switch Ground Passenger Front Door Lock Switch Ground BCM Ground 1. Door Lock Malfunction 2. Door Lock Switch Malfunction Circuit/System Description The DR LCK fuse supplies battery positive voltage to the body control module BCM for the door lock system. The BCM supplies and monitors a reference voltage to the door lock switch through the door lock switch lock/unlock signal circuit. The door lock switch also receives a constant ground source. If a door lock switch is placed in the lock position, the reference voltage is taken directly to ground and the BCM senses 0.0 volts on the signal circuit. If a door lock switch is placed in the unlock position, the reference voltage is taken to ground through a 1.5k ohm resistor that is internal to the door lock switches and senses approximately 2.9 volts on the signal circuit. This is how the BCM determines what portion of the door lock switch was activated. The BCM, upon receipt of a door lock switch lock or unlock signal, will switch the appropriate door lock actuator control circuits to battery positive voltage. The opposing side of the door lock actuators are connected to ground internally within the BCM through the other door lock actuator control circuit and the doors will lock or unlock appropriately. Vehicles without keyless entry have two internal drivers in the BCM to control the door lock actuators. All door lock and all door unlock. Vehicles equipped with keyless entry have three internal drivers in the BCM. Driver door unlock, passenger door unlock and all door lock. This is done to isolate the driver door lock actuator so it can be unlocked by itself using the keyless entry transmitter.
Filed Under (Dodge) by admin on 28-12-2010
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POWER DOOR LOCKS Power door lock system allows all doors to be locked or unlocked using either front door lock switch. All doors can be mechanically locked or unlocked using respective locking knobs or from outside of vehicle using key. Driver’s or passenger’s door can also be unlocked by actuating inside door handle. On Sebring Convertible, trunk can be unlocked using switch inside vehicle. All 4-door models are equipped with child protection locks on rear doors. Lever is located on inside edge of door, near latch. Moving lever to engage lock will allow rear door to only be opened using outside door handle. On models with anti-theft system, power door lock system is integrated into anti-theft system. See ANTI- THEFT SYSTEMS – SEBRING CONVERTIBLE, SEBRING SEDAN & STRATUS SEDAN article. Locking or unlocking door with key will arm or disarm anti-theft system (if equipped), and cancel or activate illuminated entry feature. An optional central locking system is also a part of anti-theft system. Turning key in driver’s door to unlock position one time will unlock driver’s door. Unlocking passenger’s door with a key or turning driver’s door lock to unlock position 2 times within 5 seconds will unlock all doors. All models are equipped with a door lock inhibit function. Body Control Module (BCM) will ignore command to lock power door locks with ignition switch in ON position and driver’s door open. When door is closed or ignition key is removed, BCM will lock all door locks. All models are also equipped with automatic door locks. Doors will lock automatically when all doors are closed, vehicle speed exceeds 14-16 MPH and Throttle Position (TP) sensor is greater than 8-12 degrees. This feature can be enabled or disabled. If door lock switch is pressed for longer than eight consecutive seconds, BCM will disable door lock relay. Power latches are equipped with a thermal protection system which prevents latches from burning out.
Filed Under (Lincoln) by admin on 11-03-2011
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Front Removal 1. Remove front door trim panel (23942) and front door trim shield (237A04). Refer to Section 01-05. 2. Loosen front door glass run front retainer retaining screw and position front door glass run front retainer (21572) forward. 3. Lower front door window glass (21410) to gain access to two front door window channel bracket (23288) rivets and remove the center pins from rivets using a drift punch. Using a 1/4-inch diameter drill, drill out remainder of rivets. CAUTION: Do not attempt to pry out the rivets as damage to the front door window glass could result. NOTE: Prior to removing the rivet center pins, it is recommended that a suitable block support be placed between the door outer panel and the front door window channel bracket to stabilize the front door window glass during rivet removal. 4. Remove front door window glass . Installation 1. Insert front door window glass into front door (20124) between front door belt line outside weatherstrip (21452) and inner panel. 2. Position front door window glass into door frame and lower front door window glass to align with front door window channel bracket . 3. Install two 1/4-inch rivets using Rotunda Blind Fastener Installation Tool 107-00600 or equivalent (use of 1/4-20 X 1-inch screw and washer assemblies and 1/4-inch-20 nut and washer assemblies is optional). Equivalent metric fasteners may also be used. NOTE: Torque must not exceed 9-14 Nm (7-10 lb-ft). 4. Adjust front door window glass as outlined. 5. Install front door trim shield and front door trim panel. Refer to Section 01-05. Rear Removal 1. Remove rear door trim panel (27406) and watershield. Refer to Section 01-05. 2. Remove rear door glass run front lower retainer (25796) as outlined. CAUTION: Do not attempt to pry out the rivets as damage to the rear door window glass (25712) could result. Prior to removing rivet center pins, it is recommended that a suitable block support be placed between door outer panel and rear door window channel bracket to stabilize rear door window glass during rivet removal. 3. Lower rear door window glass to gain access to the two rear door window channel bracket retaining rivets and remove center pins from rivets using a drift punch. Using a 6.35mm (1/4-inch) diameter drill, drill out the remainder of the rivets. 4. Remove rear door window glass.
Filed Under (Ford) by admin on 23-03-2011
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Latch—Door Removal and Installation NOTE: Front door shown, rear door similar. Front door 1. Remove the door lock cylinder; refer to Lock Cylinder—Door. 2. If equipped, remove the power door lock actuator. 1. Disconnect the electrical connector. 2. Drill out the rivet. 3. Disconnect the actuator rod. 4. Remove the actuator. Rear door 3. If equipped, remove the power door lock actuator. For additional information, refer to Actuator—Door, Rear in this section. All doors 4. Remove the door latch remote control. 1. Remove the screws. 2. Disconnect the door latch remote control link from the door latch remote control. 3. Remove the door latch remote control. 5. Disconnect the door latch actuating rod from the door latch. 6. Remove the rear glass run channel. 1. Remove the bolt. 2. Remove the rear glass run channel. 7. Remove the screws and the door latch. 8. Disconnect the door latch push button rod from the door latch. 9. NOTE: Connect the remote control rod, door latch push button rod and lock cylinder rod to the front door latch (21812) before installing the new latch. NOTE: When the battery is disconnected and reconnected, some abnormal drive symptoms may occur while the vehicle relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 mi) or more to relearn the strategy. To install, reverse the removal procedure. ? Use the special tool to install the new rivet.
Filed Under (Mercedes-Benz) by admin on 15-05-2010
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1.Screw 2. Lock cover plate 3. Handle recess 4. Screw 5. Cover 6. Screw 8. Door 9. Clips 10. Installation wedge 11. SRS cover (with code 293 rear side airbag) 12. Screw (with code 293 rear side airbag) 13. Clip
14. Control cable (interior door control) Special tools 7. Press door lining (8) off inner door panel at bottom, front and rear using assembly wedge Guide each assembly wedge straight to the clips 8. Lift door lining (8) out of retaining clips at the top of the sealing rail using assembly wedge and at the same time pull away from the inner door panel 9. Unhook control cable (14) on interior door control Installation: Ensure that the control cable (14) is clipped into the retaining clip (13) 10. Pull electrical connections off door lining (8) 11. Put down door lining (8) 12. Check film and clips on inner door panel and replace if necessary. Stick door film onto inner door panel. 13. Check clips (9) on door lining and replace if necessary 14. Install in reverse order