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Trouble shooting central lock system - 1996 Audi A4

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How do I fix the windows and door locks? The windows won't go up or down, and the door locks won't work either.


Did you check power an grounds at the driver door switch ? Before changing the switch ? How about fuse's ? You could go to you tube an check out videos on power windows an door lock trouble shooting . Basic electrical trouble shooting etc.... Go to www.bbbind.com/ for free wiring diagrams to trouble shoot the circuits .

Dec 16, 2015 | Cars & Trucks

1 Answer

Hazard and turn inter actors central locking fuel relise door


A Chilton's/Haynes repair manual that covers your vehicles year/make/model goes a long way to trouble shooting. Oh I do hate chasing gremlins. Had same problem with Kia Sephia. It's fuse panel has a slot marked "meter." Didn't give it any thought as just what would "meter" have to do with turn signals and hazard lights. (the other issues you list don't apply as this is an older model and quite basic, no power goodies.) Took it to shop (got tired of chasing gremlins). Repair person is the one that told me about "meter" fuse. If you have the owners manual it may have a fuse panel "map." Be aware that there is another fuse panel under the hood that has fuses and relays. As an end note, I'm now trying to figure out why that fuse keeps blowing. Oh bother.

May 30, 2015 | 2004 Kia Sedona

1 Answer

Central locking not working


Hi Helen , what make ,model an year vehicle do you have ? Depending on the make these central locking systems or controlled by a BCM - body control module energizing a relay ! Could possibly have a DTC - diagnostic trouble code stored in the module !

May 08, 2015 | Cars & Trucks

1 Answer

I have a 2002 ford f150 supercrew lariat, my power door lock on all 4 doors dont work and neither switch works, theres is no clicking sound or anything, but the lights on the switch light up, also the...


You can't figure out thing's without knowing how there work , what controls them . In this case a control module .
Principles of Operation

Power Door Locks
The central security module controls the power door lock and keyless entry system. The lock and unlock operation is carried out by supplying ground to the central security module from the door lock control switch. The normal path of the actuators is to ground through the central security module. The door lock control switch will lock and unlock all doors by grounding the appropriate circuit to the central security module. The central security module then supplies power to the appropriate common actuator circuit to lock or unlock all doors.
Plus we don't guess , we test the electrical circuits with a DVOM - digital multimeter or a test light . We use a wiring diagram so we know which part of the circuits to test .

Keyless Entry
The remote transmitter sends a frequency that is received by the central security module internal antenna. Depending on the frequency received, the central security module will lock all doors or unlock the driver door. If the unlock frequency is received again within five seconds of the first unlock, the central security module will unlock all doors.
If the frequency received is for the panic button, the central security module will cycle ground to the park lamp and horn. The park lamps and horn will continue to cycle until the panic button is pressed again or the ignition switch is turned to the RUN position or 2.75 minutes elapse.
Plus we hook up a scan tool that can read codes from the control module , not a code reader for engine codes , won't work ! Need a professional scan tool .Do you know what DTC'S are ? Diagnostic trouble codes !
Central Security Module Diagnostic Trouble Code (DTC) Index DTC Description Source Action to Take B1309 Power Door Lock Circuit Short to Ground Central Security Module Go To Pinpoint Test C . B1341 Power Door Unlock Circuit Short to Ground Central Security Module Go To Pinpoint Test C . B1485 Brake Pedal Input Circuit Short to Battery Central Security Module Go To Pinpoint Test E . B1526 Keyless Entry Circuit Short to Ground Central Security Module Go To Pinpoint Test F . B1629 PRNDL Reverse Input Short to Battery Central Security Module Go To Pinpoint Test E . B2276 Less Than Two Transmitters Programmed Central Security Module Go To Pinpoint Test I . B2425 Remote Keyless Entry Out of Synchronization Central Security Module Go To Pinpoint Test I . - All Other DTCs Central Security Module REFER to Section 419-10 .
  • All door locks are inoperative
  • Battery junction box (BJB) fuse(s):
    • 8 (15A).
    • 115 (20A) (Super Crew).
  • Circuitry.
  • Central security module.
  • Go To Pinpoint Test C .

Seams you lack the knowledge and test equipment to tackle this type of repair . Your best bet mite be to have a qualified repair shop check it out.
So, without testing i couldn't even begin to suggest what mite be wrong . I would only be guessing , as would anyone on here would.

Jul 30, 2017 | Cars & Trucks

1 Answer

Having trouble with megane convertible on an s plate. had trouble with central locking not working all the time, changed battery and now nothing works, tried reprogramming and nothing. battery light shows...


dealer only to re programme ,its a europeon model and they all use encrypted software on renaults ,dont know what year a s plate is so please post year in future.

Sep 19, 2010 | Renault 181 Cars & Trucks

1 Answer

Have same trouble with 03 fan blower. central


Information can be found FREE by downloading a FREE SERVICE MANUAL for your vehicle using the link below

http://ezinearticles.com/?Find-the-Free-Auto-Repair-Manual-You-Need-Online&id=92717

May 02, 2010 | 2003 BMW 5 Series

1 Answer

No interior power windows radio central locking


I don't know about that car but you may want to look into a control module. one that controls the various system you're having trouble with

Apr 26, 2010 | Kia Rio Cars & Trucks

1 Answer

Central locking on Ford focus 1.4 W reg 2000


hi i would start by checking if there is a relay, it seems that there is a delay on the pressure pump that is supposed to shoot the door pins up.

Feb 05, 2009 | 2000 Ford Focus

1 Answer

Central and power windows


sounds like a blown fuse

Oct 10, 2008 | 1999 Audi A4

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