Electrics: 70: Faulty Door Lock Micro-switches How to identify !

[Jules_V70R]

This has been bugging me since I got the heaRse.

When locking the car with the fob the alarm wouldn't set. With help from the forum I found out that the micro switches in the door locks can go faulty.

Here's how to identify which ones(s) without a trip to the stealers.

First pull fuse 15 which should be a ten amp.

Then switch the courtesy lights off using the switch in the roof console (Depressed right)

Then turn the ignition on.

The door/tailgate open light on the lower left on the console should be off. If it is dimly lit you have a problem.

Go around one door at a time and open it. When open the light should change to brightly lit. Do this individually for the doors, the bonnet, the tailgate and this glove box.

If the status of the light does NOT change when you open something then you have a problem there.

I have just finished using this method to successfully determine that my rear left passenger door had a problem.

Changed the mechanism with one from a scrappie £20, and now my alarm functions as it should.

Hope this helps someone.

Jules

[capt jack]

Thanks for that. Very helpful advice indeed. This is a common problem that's frequently posted here.

Cheers

Jack

[NI_Volvo_Nut]

I fixed the ones on my petrol S70 with duct tape, I placed a small piece on the track of the micro switch which pushed the switch down that wee bit further, been a sucess with the drivers door, not so much on the pass door, it did work for a while, I think the tape may have came off

[terry_cunnane]

Originally Posted by Jules_V70R

This has been bugging me since I got the heaRse.

When locking the car with the fob the alarm wouldn't set. .....
.....If the status of the light does NOT change when you open something then you have a problem there.

Jules

Great piece of help this. I tried opening the doors from the inside and found they all failed the test. However when I pulled the outside door handles they all passed the test! Does this mean I've got faulty microswitches? The glove compartment door when opened only made the light come on dimly.

Thanks

Terry

[upv5]

When I did mine I super glued a small rectangle of aluminium from a food container, works a treat and should last longer than tape.
Can't remember if it was Chinese or Indian!

John

[terry_cunnane]

Originally Posted by upv5

When I did mine I super glued a small rectangle of aluminium from a food container, works a treat and should last longer than tape.
Can't remember if it was Chinese or Indian!

John

It's a good excuse for a take-a-way! I think I'll need to do all four locks on mine - will one be enough?!