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Slide door electronic problems - 2002 Dodge Grand Caravan

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I have a 2009 Dodge Grand Caravan SXT. Both sliding doors will not work when the car is on, whether its pushing the key fob button or the buttons in the van. But when the car is off, your able to push the...


DESCRIPTION
Each power sliding door is equipped with a Power Sliding Door Control Module (1) (PSDM). The PSDM is mounted directly to the inboard side of the power sliding door drive assembly (2) with two retaining screws. The drive assembly is mounted to the body near the bottom of the sliding door in the track cavity with the use of five retaining nuts. The wire harness and chain link track and the power sliding door drive assembly are visible with the door open in the lower door sill area.
Software technology has enabled the PSDM to detect resistance to door travel. This allows the power sliding door to stop and reverse direction any time an obstruction is felt or any of the command switches are operated. Battery voltage is supplied to the power sliding door system through a 40 amp fuse, located in the Totally Integrated Power Module (TIPM) assembly. The power sliding door lockout switch located in the front overhead console prevents opening or actuation of the power sliding door system when activated. In the unlikely event that the power sliding door system develops a fault, the power sliding door can still be operated manually from the interior or exterior door handle similar to a standard manual sliding door.
NOTE: It may be possible to generate Sliding Door Diagnostic Trouble Codes during normal power sliding door operation. Refer to the appropriate power sliding door diagnostic information for a complete list of diagnostic routines.
OPERATION Battery voltage is supplied to the power sliding door system through a 40 amp fuse, located in the Totally Integrated Power Module (TIPM) assembly. With the push of a power sliding door open/close command switch (key fob, overhead console or B-pillar mounted) a signal is received by the Power Sliding Door Control Module (PSDM). The PSDM receives this signal via the Controller Area Network (CAN) Data Bus circuit. The PSDM then signals the power sliding door cinching latch to release the door to the unlatched and movable position. The power sliding door drive assembly motor then starts an open cycle.
The overhead power sliding door switch is mounted in the front overhead console of the vehicle. The switch has resistors in parallel of 1.76K ohms, 3.17K ohms and 15K ohms. When pressed, the switch will have a nominal resistance of 1.76K ohms for the right sliding door button, 3.76K ohms for the left sliding door button and when not pressed, the switch will have a nominal resistance of 15K ohms.
The status of the overhead power sliding door switches is continually monitored by the circuitry within the ElectroMechanical Instrument Cluster (EMIC) (also known as the Cab Compartment Node/CCN). The instrument cluster receives input messages from the overhead power sliding door switches over a hardwired connection. Whenever the instrument cluster receives an input from the overhead power sliding door switches it sends a function command signal to the selected PSDM. This message from the cluster to the PSDM is delivered via the Controller Area Network (CAN) data bus.
The B-pillar switch is located on the lower B-pillar trim panel and allows the rear occupants to power open or close the sliding doors. The B-pillar switch is an R-Mux switch that has a resistance of 3.6K ohms and 16K ohms depending on switch position. When pressed the B-pillar switch will have a nominal resistance of 3.9K.
The B-pillar switches are hardwired to the Totally Integrated Power Module (TIPM). The PSDM receives the message for operation status via the Controller Area Network (CAN) data bus. If all the necessary conditions are met the PSDM will then perform the requested operation. The B-pillar switch lockout feature must be disabled and the sliding door must be unlocked in order for the B-pillar switch to function.
The FOBIK switch sends a signal to the Wireless Ignition Node (WIN). The PSDM receives the message from the WIN for operation status via the Controller Area Network (CAN) data bus. If all the necessary conditions are met the PSDM will then perform the requested operation. The vehicles theft alarm must be disabled and the sliding door must be unlocked in order for the FOBIK switch to function.
When one of the PSDMs receives a command signal it checks the following:
  1. PRNDL Status
  2. Vehicle Speed Status
  3. Ignition Status
  4. Vehicle Theft Alarm Armed/Disarmed Status
  5. Sliding Door Latch Status
  6. Sliding Door Full Open Status
  7. Ambient Temperature
  8. Door Lock Status
  9. Sliding Door B-Pillar Switch Lockout Status
  10. Sliding Door Window Up/Down Status
If the appropriate conditions exist the PSDM will send a command signal to the selected Rear Door Control Module (RDCM) so the sliding door can be latched/unlatched as needed. This command signal is sent via the CAN data bus. Once the PSDM senses the latch function it will power the motor on the power sliding door drive assembly to open/close the sliding door as requested by the overhead power sliding door switches.
During the door cycle, if the PSDM detects sufficient resistance to door travel, such as an obstruction in the door's path, it will immediately stop door movement and reverse door travel to the full open or closed position. The ability for the PSDM to detect resistance to door travel is accomplished by hall effect sensors detecting the door motor speed.
The PSDM has the ability to learn. Anytime a door is opened or closed using the power sliding door system the module learns from its cycle. If a replacement power sliding door component is installed or a door adjustment is made, the module must re-learn the effort required to open or close the door. A learn cycle can be performed with a complete cycle of the door, using any one of the command switches or with the use of a scan tool. (Refer to 08 - Electrical/Power Sliding Door - Standard Procedure) for detailed instructions.
The power sliding door system is designed with a number of system inhibitors. These inhibitors are necessary for safety and/or feasibility of the power sliding door system. The power sliding door system inhibitors are:
  1. The power sliding door must be in the full open or closed position in order for the power sliding door system to start a normal cycle. If the door is not in this position (based on the input from the switches integral to the cinching latch assembly) the PSDM will only perform a power open cycle.
  2. The transmission must be in park or neutral in order for the power sliding door system to start a cycle.
  3. The front overhead console lockout switch must be in the "UNLOCKED" position in order for the power sliding door systems B-pillar switches to function.
  4. If multiple obstacles are detected during the same power open or close cycle the power sliding door may go into full manual mode.
  5. If severe Diagnostic Trouble Codes (DTC) are stored in the PSDM the power sliding door may go into full manual mode.
  6. Due to the high pressure created in the passenger compartment with the blower motor on high, the power sliding door may not complete a power close cycle unless a window is cracked, allowing the pressure to escape. This situation will only be experienced on some vehicles, or vehicles with brand new side door weather seals installed.
The hard wired circuits for the power sliding door switches may be diagnosed using conventional diagnostic tools and procedures. Refer to the appropriate wiring information. However, conventional diagnostic methods will not prove conclusive in the diagnosis of the electronic controls and communication between other modules and devices that provide some features of the power sliding door system. The most reliable, efficient, and accurate means to diagnose the power sliding door switches or the electronic controls and communication related to the power sliding door system operation requires the use of a diagnostic scan tool. Refer to the appropriate diagnostic information.

POWER SLIDING DOOR SYSTEM WARNINGS


WARNING: Always disconnect the negative battery cable before attempting any power sliding door system service.
WARNING: Extreme care must be taken to prevent objects from entering the doors path once the door reaches the cinch motor contact (approximately 1 inch before fully closed). Never place objects in the power sliding door when cinching closed. The obstacle detection function is inoperative during the cinch phase and damage to the vehicle, power sliding door system or components and/or personal injury may occur.
WARNING: Never attempt to enter or exit the vehicle while the power sliding door is in motion. You could damage the power sliding door system or components and/or cause personal injury.
WARNING: Never attempt to drive away with the power sliding door in motion. You could damage the power sliding door system or components and/or cause personal injury.

Jan 24, 2018 | Dodge Grand Caravan Cars & Trucks

1 Answer

Buick terraza 2006. When I lock or lock the van or when I put it in PARKING, there is a scratching sound that come from passenger sliding door. I can open and close the doors without problem. It sounds...


there is something in the electric door lock mechanism dragging across something. You will probably need to take the door panel off to see what is dragging, but I don't think this is a real problem that you need to be concerned with for quite awhile

Nov 21, 2013 | Buick Terraza Cars & Trucks

2 Answers

Sliding door fails to latch


There is no "switch". The Sliding Doors should be manual anytime you try to open or close them. If not: then there is problem in the electronic system or the physical/mechanical side where something is jamming the door from opening or closing.

Dec 31, 2009 | 2002 Chrysler Town & Country

1 Answer

Power door locks


This could be hard to diagnose for someone that doesn't know about electronically controlled automotive systems . There are two electronic control modules involved ! (FEM) front electronic control module and the (REM) rear electronic control module . The first step would be to hook up a scan tool to look at input data to the control modules. Corrupt signals to the module ! B+ power an ground circuits problems . The wiring inside the harness from the body to driver door , opening an closing of the door breaks the wires over time . Load testing the circuit will find the problem.
Ford 150 Power Door Locks Diagnosis

Door Locks Go Crazy 2

Mar 29, 2017 | 2001 Ford Windstar

1 Answer

Sliding door switch?


Do you know anything about automotive electronics ?
All courtesy lamps are controlled by the generic electronic module (GEM).
The four contacts are not switches , the part you want to replace is the door ajar switch . The door ajar switch is inside the door part of the lock actuator . Those contacts just allow circuit continuity when the door is closed , when you open the door continuity is broken or open . The GEM now know the door is open an will now turn on the dome lights . The door ajar switches stick , try spraying WD-40 into the door latch ,open an closing the latch . If this doesn't fix the problem you will need to take the inside door trim panel off and replace the ajar switch .

Aug 03, 2017 | 1998 Ford Windstar

1 Answer

Passenger Sliding Door


If it operates normally by the key fob and the contols in the car but slides hard manually, it probably need s a sliding door motor. There is a clutch in the motor that probably is not disengaging as it should. Surprising that a dealer could not tell you this as I am a former Chrysler technician.

Oct 15, 2008 | 2005 Chrysler Town & Country

2 Answers

Honda Odyssey doors


I read about this issue while I was looking for a fix to mine. Try the following:

Remove fuse #13 for 30 seconds or more from the passenger side fusebox. This will reset the door and the clock.

OR

1.) Disable the power door switch on the left dashboard.
2.) Remove the power door fuses located under the front passenger leg area.
3.) Manually open and close both sliding doors.
4.) Restore the power door fuses located under the front passenger leg area.
5.) Enable the power door switch on the left dashboard.
6.) Try opening the sliding doors.


http://www.topix.com/forum/autos/honda-odyssey/TD1QRDMAQ28J8EDA0

Sep 03, 2008 | 2002 Honda Odyssey

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