Question about 2001 Chevrolet Astro

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Left latch on dutch door remains in locked position. this has happened before due to an incorrect attempt at unlocking dutch doors

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Inside the panel of the left door there is a metal rod going from the handle to the bottom latch. There is a plastic clip that that connects the linkage to that latch, with time it wears out. You should be able to find it in "HELP" brand section of a big chain auto parts store.

Posted on Aug 02, 2009

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1 Answer

Where is located the door lock relay on 2009 saturn aura xe


Doesn't have relay , controlled by the BCM - body control module .Circuit/System Description
Each door lock switch is wired to the body control module (BCM) through a separate door lock/unlock signal circuit. While these circuits are separated between the BCM and respective door lock switch, they are connected into a single circuit within the BCM. The BCM supplies voltage through the door lock/unlock signal circuits to each door lock switch. When either door lock switch is operated, this supply voltage is pulled to ground, providing the BCM with the required lock or unlock signal. In order for the BCM to distinguish between a lock and unlock signal, the lock switch contains two separate paths for this voltage to flow to the same body ground. When the switch is operated to the unlock position, the supply voltage flows to ground through a 1.5K ohm resistor. When the switch is operated to the lock position, the supply voltage flows to ground through a different part of the switch circuit, which has no resistor. The BCM then interprets the flow of voltage as a lock or unlock request and powers the door lock actuators to the appropriate lock or unlock position.
The BCM powers the reversible door latch assemblies by providing battery positive voltage and ground to the appropriate lock and unlock control circuits of the door latch assemblies. The lock control circuits of the driver and passenger door latch assemblies are all connected together; however, the unlock control circuits are connected in a slightly different way. While the unlock control circuits for the passenger door latch assemblies are connected together, the door latch assembly has a separate unlock control circuit. The system is designed this way so that the keyless entry transmitter may be used to unlock only the driver door. Despite this difference, all lock actuators perform much the same way. When the door latch assemblies are not active, all actuator lock and unlock control circuits are at ground potential within the BCM. Transitioning of the lock actuators to the lock or unlocked position depends upon which control circuits receive voltage and which control circuits receive ground.
Your best bet , take it to a qualified repair shop .

Jan 20, 2018 | Saturn Cars & Trucks

1 Answer

I have a 2002 Ford explorer and I can't figure out how to get the child safety lock off. The door doesn't shut now due to trying to disengage the lock. What can I do?


the child safety lock is normally a small lever at the edge of the door and has no effect on closing a door
it just prevents the door from being opened on the inside
what may have happened is that the door lock mechanism is in the 1/2 closed position and will not allow full lock (close) to occur
place a small screw drive under the latch or tongue of the lock and pull out as you press the door handle as if opening the door
that should then place the latch in the correct position for latching the door when closed properly

Sep 30, 2016 | Ford Cars & Trucks

1 Answer

Why 2006 Malibu door locks quit working but when put in gear they work


No ,it's not the actuators . It could be the BCM - body control module.

How to test computer controlled door locks
Each door lock switch is wired to the body control module (BCM) through a separate door lock/unlock signal circuit. While these circuits are separated between the BCM and respective door lock switch, they are connected into a single circuit within the BCM. The BCM supplies voltage through the door lock/unlock signal circuits to each door lock switch. When either door lock switch is operated, this supply voltage is pulled to ground, providing the BCM with the required lock or unlock signal. In order for the BCM to distinguish between a lock and unlock signal, the lock switch contains two separate paths for this voltage to flow to the same body ground. When the switch is operated to the unlock position, the supply voltage flows to ground through a 1.5 K ohm resistor. When the switch is operated to the lock position, the supply voltage flows to ground through a different part of the switch circuit, which has no resistor. The BCM then interprets the flow of voltage as a lock or unlock request and powers the door lock actuators to the appropriate lock or unlock position.
The BCM powers the reversible door latch assemblies by providing battery positive voltage and ground to the appropriate lock and unlock control circuits of the door latch assemblies. The Lock control circuits of the driver and passenger door latch assemblies are all connected together; however, the Unlock control circuits are connected in a slightly different way. While the unlock control circuits for the passenger door latch assemblies are connected together, the door latch assembly has a separate unlock control circuit. The system is designed this way so that the keyless entry transmitter may be used to unlock only the driver door. Despite this difference, all of the lock actuators perform much the same way. When the door latch assemblies are not active, all actuator Lock and Unlock control circuits are at ground potential within the BCM. Transitioning of the lock actuators to the lock or unlocked position depends upon which control circuits receive voltage and which control circuits receive ground.

Nov 27, 2015 | 2006 Chevrolet Malibu

1 Answer

How can I open a Chevy door latch which is closed while the door is open


that would happen to me and my sisters almost regularly when I was younger. Simply pull the greasy latch open with your finger while operating the door latch that would normally open the door. If its too tough for a finger, which it should not be and never was for me then you could use a screwdriver to pry it, but obviously nothing will happen if you do not pull the door latch at the same time.

May 22, 2014 | 2005 Chevrolet Astro

1 Answer

Manual door locks won't unlock


I recommend pulling the door panel off and getting a better look. There are little nylon retainers that slip over the metal rods in the door which connect the door handles, locks, latches etc (usually on the ends of the rods). Quick guess is that the end of the rod is sliding in there but because its still clipped onto the rod, it appears to be all there, in its proper place and working correctly. I'm also guessing that there has been a lot of penetrating oil sprayed into the door in an attempt to free the tight lock mechanisms. In reality, allowing the broken parts to slide into a stuck position more easily. Pop the door pnl off, start wiggling and moving different parts of the lock, latch, handles etc... You may want to ask your wife to help turn the door lock key outside while you're watching things move inside. I'll bet the issue(s) become very clear in no time! Good luck!

Jan 16, 2012 | 1995 Toyota Corolla

1 Answer

My car door does not close,door lock is jamb


Check the latch assembly where the door closes. If the latch claw is closed it won't latch. Make sure the door is unlocked. Insert a screwdriver into the middle of the claw (circular opening where the striker latches). Open the door handle from inside or outside and pull sideways on the latch it should pop open. If it doesn't then the lock mechanism is in the lock position. Remove door panel follow lock rod to the latch and manually try to move the lever to the unlock position. If all fails you probably will need a new latch assembly.

Jan 30, 2011 | 2000 Ford Taurus

1 Answer

The doors lock automatically on my daughter's '99 Cougar. This has happened to me when I left the keys in the ignition and closed the driver's door. After AAA came and unlocked the doors, I removed the...


shorted wiring in doors or shorted door lock actuator in door. A grounding of a wire makes them lock normally. SO, any bare wire touching metal will ground it and lock the doors.

Principles of Operations
The Door Switch Lock Function When a door lock switch is moved into the lock position or a door lock cylinder is rotated to the lock position, the door lock switch grounds the lock circuit input to the central security module (CSM). The CSM then provides 12 volts to one side of the door lock actuators contained in the door latch unit and simultaneously grounds the other side of the door lock actuators. This completes the door lock actuator circuit, causing the door lock actuators to rotate a cam assembly, which then locks the doors. The 12 volts that the CSM provides to the door lock actuators are provided to both door lock actuators from a single pin on the CSM electrical connector.
The Door Switch Unlock Function When a door lock switch is moved into the unlock position, the door lock switch grounds the unlock circuit input to the CSM. The CSM then provides 12 volts to the opposite side (relative to locking the door) of the door lock actuator(s) contained in the door latch unit and simultaneously grounds the other side of the door lock actuator(s). This completes the door lock actuator circuit, causing the door lock actuator(s) to rotate a cam assembly in the opposite direction, which the unlocks the door(s). The 12 volts which the CSM provides to the door lock actuator(s) are provided to each door lock actuator from the individual pins on the CSM electrical connector.
--------------------------------------------------------
CSM Self-Test The CSM has a self-test which can be entered into by using a diagnostic tool. This self-test will monitor the following CSM door lock inputs:
  • Unlock switch (DTC B1311)
  • Lock switch (DTC B1300)
  • Exterior lock switch (DTC B1309)
  • Exterior unlock switch (DTC B1341)
Before running the self-test, the following conditions must be met:
  • The ignition switch must be in position II
  • The driver and passenger doors must be unlocked
  • The driver and passenger doors must be opened
  • The hood and liftgate must be closed
  • The set/reset switch, and liftgate release switch are not actuated
It is important to note that all of the diagnostic trouble codes (DTCs), with the exception of B1551 and B1553 can be retrieved with the self-test. DTCs B1551, and B1553 are continuous and will only be retrieved if the liftgate release is operated prior to retrieving the continuous DTCs.
Inspection and Verification
  1. NOTE: Make sure that the battery is fully charged before starting electrical diagnosis.
    NOTE: Prior to carrying out the CSM Self-Test, make sure that both the driver and passenger doors are open.
    Verify the customer concern.
  1. Visually inspect for obvious signs of mechanical and electrical damage.


Visual Inspection Chart Mechanical Electrical
  • Binding latch mechanisms
  • Binding linkage
  • Misaligned door
  • Central junction box (CJB) fuse(s)
  • Wiring harness
  • Electrical connector(s)
  • Door lock switch(es)
  • Door lock actuator(s)


Module Controlled Functions
The central security module (CSM) covers the following functions:
  • Central door locking
  • Double door locking
  • Anti - theft alarm incorporating
    • forced entry
    • radio theft
  • Radio frequency remote control of
    • central door locking
    • panic alarm
    • driver door unlock
    • liftgate unlock
For additional information, refer to Section 419-01A Anti - Theft - Active, Section 501-14A Handles, Locks, Latches and Mechanisms, and Section 501-14B Keyless Entry/Computer Operated Locks.

The CSM is in the passenger side kick panel I think.

Good luck

Jan 25, 2011 | 1999 Mercury Cougar

3 Answers

The doors won't open or unlock. It started with


sounds like lock bar has been knocked off normally happens when someone tries to slimjim the locks

Apr 13, 2010 | 2000 Ford Explorer

1 Answer

Locks won't stay locked


Believe it or not there was a service bulletin Warranty on this erratic behavior on the door locks you need to call Volkswagon if you need anything else go to collisionrepairadvice.com

Mar 13, 2009 | 2003 Volkswagen Eurovan

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