Question about 2001 Toyota Tacoma

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Locking diff will not unlock

Replaced the rear in my 2000 tacoma now the diff is locked switch on dash is not ingaged (never has been) but the diff will not unlock

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Check to see if the solenoid on the diff is being energized if so then double check the switch which may be faulty

Posted on Apr 18, 2009

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2002 Cadi Deville, can't get any locks to operate with remote or dash push buttons, the remote operates everthing but the locks! When the remote door lock is pressed, lites flash,horn blows locks not.


Power Door Lock Operation
The vehicle is equipped with power door locks. Each lock actuator is powered and controlled by the door module mounted in the individual door, but the rear integration module (RIM), which is the master control for the door lock system, determines when the lock functions are permitted. The RIM receives and examines the requested lock function from the individual door modules, or from the remote function actuator (RFA) via the class 2 serial data circuit. The RIM also examines the transmission shift selector position and the ignition switch position information available over the Class 2 serial data circuits. If the RIM determines that a lock or unlock function is permitted, it sends a class 2 message back to the individual door modules commanding them to perform that Lock or Unlock function.
Power Door Lock Components
The power door lock system consists of the following components:
?€¢
Driver door lock switch


?€¢
Passenger front door lock switch


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LH rear door lock switch


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RH rear door lock switch


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LH middle door lock switch (w/ V4U)


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RH middle door lock switch (w/ V4U)


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Driver door switch assembly (DDSA)


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Driver door module (DDM)


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Passenger front door module (PDM)


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LH rear door module (LRDM)


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RH rear door module (RRDM)


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Left middle door module (LMDM) (w/ V4U)


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Right middle door module (RMDM) (w/ V4U)


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Driver door lock actuator


?€¢
Passenger front door lock actuator


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LH rear door lock actuator


?€¢
RH rear door lock actuator


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LH middle door lock actuator (w/V4U)


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RH middle door lock actuator (w/ V4U)


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Driver door cylinder unlock switch


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Rear integration module (RIM)


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DRVMDL fuse (10-amp)


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PASS MDL fuse (10-amp)


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RRDR MDL fuse (10-amp)


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Class 2 serial data link

Sep 27, 2016 | 2002 Cadillac Deville

1 Answer

Can I bypass the vacuum pump on my 1997 chevy blazer 4 wheel drive and put a cable on the other cable to ingage the front wheels


Probably not. These have two different units to lock and unlock 4wd. One locks the front diff, while the other locks the transfer case.

Sep 12, 2014 | 1997 Chevrolet Blazer

1 Answer

Tod system on 98 bighorn check light and rear wheels flashing on dash when ingnition on and stays on not pulling front diff out of ingagement vsv are ok and work no power at them but have earth on both so...


check out detent limit switches on gear box and transfer case for continuity and open circuit when pressed(on /off switch) these are feed back signals to indicate it has locked into 4x4 or 2x4, if one of these dont work properly system locks up and wont do anything any more. also check front one on diff near actuator, common problem. check actuator is working properly when vacuum applied and removed. can remove this and bench test unit,some oil will be lost when removed for bench test and you can check colar inside diff slides back and forth to lock axle.

Aug 30, 2011 | Isuzu Trooper Cars & Trucks

1 Answer

My toyota tacomas read diff lock is stuck on


need to change the sidenold switch in the diff. Or It just could be that it does not have a good ground ( It my be a little loose.

Jan 06, 2011 | 2001 Toyota Tacoma

1 Answer

2005 Toyota Tacoma will go in 4 wheel drive high, but just flashes 4-lo when trying to enage in 4-lo.


Flashing means that it did not engauge, you may have to put it in 4 LO and let the truck roll a little to get it to engauge, same with the locking rear diff. These lock via electric motor and you may need to move to get it to mesh.

Dec 28, 2010 | 2007 Toyota Tacoma

2 Answers

Where does diff lock display come on dash or button


diff lock displays on dash and is opperated by a dial to the left of the steering column. the center diff lock is operated by a button in the center dash and locks your center differential, making your front and rear driveshafts turn at the same speed. the front and rear differentials lock either your front or rear or both differentials making each wheel on the same axle turn at the same speed. all of these features are for increased traction in off road and wet conditions and situations

Jul 13, 2009 | 1993 Toyota Land Cruiser

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Timing belt replacement 1997 lexus lx 450: when?


well don , if this is a 4wd , actually even if it wasn't i show it to have locking diff(s) , if you have 4wd i show you to have a switch and a light somewhere on dash display indicating if it is locked in or not . , if you look at the passenger side of the rear differential you might see some electronical gizmo attached to it . i recently worked on a lx470 , it was awesome , i cracked the woodgrain cover around the power window switch , ouch , it cost $500 just for that little piece of woodgrain , lexus is very proud of their parts , lol , enjoy that vehicle . i would sure appreciate a FIX YA vote . thank you .

J5

Jan 27, 2009 | 1997 Lexus LX 450

1 Answer

96 toyota tacoma 4x4


If you have auto locking hubs then you need to see if you are getting good vacuum to the front axel and check for a blown fuse or bad accuater

Sep 09, 2008 | 1996 Toyota Tacoma

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