'07 DB9 electrical diagram needed
'07 DB9 electrical diagram needed
Author
Discussion

krist7

Original Poster:

4 posts

203 months

Thursday 7th September 2017
quotequote all
Hello and welcome as it is my first post here. I recently acquired a DB9, my first Aston, and immediately I have a small problem with it. The handbrake will not come off. I have read the instructions, know this is a fly-off system, but it will just not release. I think there is an electrical problem with it, hence the need for a diagram, I could not find them on the net, would anyone be able to offer help getting them, or maybe they are somewhere on the internet?
Many thanks,
Krzysztof

DB9VolanteDriver

2,661 posts

207 months

Friday 8th September 2017
quotequote all
Do you mean it won't actually release, or the warning light in the instrument display won't extinguish? The handbrake has no electrical components, other than the warning light switch to tell you it is ON, so if you can't release it, the problem is mechanical.

krist7

Original Poster:

4 posts

203 months

Friday 8th September 2017
quotequote all
The handbrake itself is jammed, blocking the wheels. The light on dashboard will not come off. But by a way the lever operates, without the standard force, I thought the system is electrical. Anyway there is a fuse which seems to responsible for it and it is blown, as soon as I replace it it goes immediately again. My mechanic says without electrical diagram he cannot help, that's why the cry for help....

DapperDanMan

2,622 posts

238 months

Friday 8th September 2017
quotequote all
There is only a switch that goes to ground and is linked to the CEM. What fuse and fuse box are you having trouble with? Also the handbrake is purely mechanical so is in the realm of a mechanic to deal with (I am speaking about a 2004 DB9 here yours may be different)

Edited by DapperDanMan on Friday 8th September 08:42

krist7

Original Poster:

4 posts

203 months

Friday 8th September 2017
quotequote all
I will ask a second opinion, regarding the mechanical release. At the moment I don't have access to my car, so will check which fuse it was, but there definitely is an electrical fault somewhere, I saw with my own eyes the mechanic put a new 20A fuse and it went off immediately

DapperDanMan

2,622 posts

238 months

Friday 8th September 2017
quotequote all
krist7 said:
I will ask a second opinion, regarding the mechanical release. At the moment I don't have access to my car, so will check which fuse it was, but there definitely is an electrical fault somewhere, I saw with my own eyes the mechanic put a new 20A fuse and it went off immediately
That is why I asked for the fuse as you may just have two issues at the same time.

DB9VolanteDriver

2,661 posts

207 months

Friday 8th September 2017
quotequote all
Your brake problem is purely mechanical. The fuse problem has nothing to do with your inability to release the handbrake. The owner's manual should tell you the function of the fuse that keeps blowing.

4Q

3,607 posts

175 months

Friday 8th September 2017
quotequote all
I've got a full DB9 workshop manual on PDF if you want a copy. Driving though France at the moment but if you pm your email I'll send you a copy when I get an internet connection for my laptop

krist7

Original Poster:

4 posts

203 months

Friday 8th September 2017
quotequote all
4Q said:
I've got a full DB9 workshop manual on PDF if you want a copy. Driving though France at the moment but if you pm your email I'll send you a copy when I get an internet connection for my laptop
Thanks a lot, it does seem I have more than one problem then. Did I mention the sat nav will not switch on? smile