X7 Electric handbrake

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Trainman
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X7 Electric handbrake

Post by Trainman »

Yes, I've dropped a googgly :oops:

Had to replace the rear discs and pads today, I DIDN"T disable the handbrake and now I have one cable connected and one that I can't get back into the caliper.

Is there a way of disabling the electronics? or somewhere in either Diagbox or Lexia ( I have both) that i can do it and then pull the cable to the correct length?
Steve

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Re: X7 Electric handbrake

Post by GiveMeABreak »

Have you tried releasing the handbrake by switching engine off and with foot on brake hold down handbrake release button?

If so, then you'll need to use diagbox to go into the EPB ECU and release it from there, reattach the cable and then re-enable it so that the cables are reconnected.
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Marc
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Re: X7 Electric handbrake

Post by Trainman »

No, I’ll do it tomorrow
Steve

2008 C6 2.7 Exclusive in Mativoire Beige with Vitali Leather.
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GiveMeABreak
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Re: X7 Electric handbrake

Post by GiveMeABreak »

You may need to have your foot on the brake, with ignition on and then hold down the parking brake release button then switch off to release it - you can try either way.
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Marc
Trainman
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Re: X7 Electric handbrake

Post by Trainman »

Ok Got the handbrake auto on disabled but I still can’t get the cable to come back far enough to reconnect it to the caliper.

The off side door s connected, it’s the near side I’m having problems with
Steve

2008 C6 2.7 Exclusive in Mativoire Beige with Vitali Leather.
2019 C5 1.6 Aircross Flair+ in Platinum Grey with Claudia Rimini Leather

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Trainman
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Re: X7 Electric handbrake

Post by Trainman »

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Steve

2008 C6 2.7 Exclusive in Mativoire Beige with Vitali Leather.
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GiveMeABreak
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Re: X7 Electric handbrake

Post by GiveMeABreak »

Ok, I'll have a look shortly for those codes - but it seems to indicate that an operation was interrupted and not completed - never a good thing as it can leave things in a 'stuck' state.

You don't want to be in this menu from memory - you need to be in the place where you release the electronic handbrake - as if you were going to replace the rear pads again - probably in the repair menu or similar. That's the bit you need to get it to fully decouple the cables to allow them to release enough as if you were replacing the pads again. Then when complete, you follow the procedure to re-attach them again Steve.

I'll see if I can dig something up...
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Marc
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Re: X7 Electric handbrake

Post by Trainman »

At the moment I have everything disconnected including the battery.....

am i right to reconnect the battery and start all over again from scratch
Steve

2008 C6 2.7 Exclusive in Mativoire Beige with Vitali Leather.
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GiveMeABreak
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Re: X7 Electric handbrake

Post by GiveMeABreak »

Ok my thought are that because only one cable is connected, you should try the release from Diagbox as I said in previous post - DO NOT use that routine to reinitialise.

If you cannot get it to release from Lexia as if doing the procedure from scratch, then you may have to use the emergency manual release system contained in the centre armrest. This will effectively release the cables completely - then get the cable properly hooked up and then follow the procedure to reinitialise it:
X7 Parking Brake A.PNG
  • "C" : Electric parking brake locked (Operational).
  • "D" : Electric parking brake unlocked.
  • "g" Manual release mechanism.
  • "m" Hook.
The splined shaft is solid with the release mechanism "g", linked with the rear right secondary cable by the hook "m".
Pulling on the back-up mechanical control for manual release of the parking brake separates the hook "m" from the manual release mechanism "g", so releasing the forces transmitted to the brake calipers by the secondary cables.

Following release of the electric parking brake by means of the manual release mechanism, the rear brake secondary cables must be reconnected.
The reconnection procedure is carried out by the electric parking brake ECU at the request of the user or of the ESP.
During the reconnection procedure, the electric parking brake ECU controls the motor in the maximum release direction to bring the splined shaft to its stop.
The hook "m" hooks onto the manual release mechanism "g", the rear secondary cables are attached again.
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Marc
Trainman
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Re: X7 Electric handbrake

Post by Trainman »

Ok, I’ve tried that and nothing, exactly the same. I’ve tried the yellow emergency release and nothing.

The only thing I get when I try to go through Lexia is the same screens as above
Steve

2008 C6 2.7 Exclusive in Mativoire Beige with Vitali Leather.
2019 C5 1.6 Aircross Flair+ in Platinum Grey with Claudia Rimini Leather

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GiveMeABreak
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C3 1.6 HDi Exclusive Aluminium Grey (The Silver Hornet)
C5 MK II 2.0 HDi Exclusive Obsidian Black
C5 MK I 2.0 HDi SX Wicked Red
Xantia S2 2.0 HDi SX Hermes Red
C15 Romahome White
XM 2.0 Turbo Prestige Emerald Green Pearlescent
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CX 20 Polar White
GS 1220 Geranium Red
CX 2.4 Prestige C-Matic Nevada Beige
GS 1000 Cedreat Yellow
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Re: X7 Electric handbrake

Post by GiveMeABreak »

So when you applied the emergency release it has basically detached the cables from the electronic control, so they should be loosened so that you can connect it back onto the calliper. Have you now attached the cable?
Please Don't PM Me For Technical Help

Marc
Trainman
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Re: X7 Electric handbrake

Post by Trainman »

No the emergency release isn't working and I can disable the parking brake
Steve

2008 C6 2.7 Exclusive in Mativoire Beige with Vitali Leather.
2019 C5 1.6 Aircross Flair+ in Platinum Grey with Claudia Rimini Leather

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Trainman
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Posts: 2589
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Re: X7 Electric handbrake

Post by Trainman »

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A14383F2-2B27-46E8-9283-1D1D4E500FAA.jpeg
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Steve

2008 C6 2.7 Exclusive in Mativoire Beige with Vitali Leather.
2019 C5 1.6 Aircross Flair+ in Platinum Grey with Claudia Rimini Leather

http://c6owners.org/index.php
Trainman
(Donor 2018)
Posts: 2589
Joined: 21 Aug 2009, 11:58
Location: Penwortham
Lexia Available: Yes
My Cars: 2008 C6 2.7 Exclusive in Mativoire Beige with Vitali Leather.
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2017 1.6HDi Berlingo Van - the works van
x 42
Contact:

Re: X7 Electric handbrake

Post by Trainman »

I’ve managed to clear that fault, but the cable still I’ll isnt moving
Steve

2008 C6 2.7 Exclusive in Mativoire Beige with Vitali Leather.
2019 C5 1.6 Aircross Flair+ in Platinum Grey with Claudia Rimini Leather

http://c6owners.org/index.php
Trainman
(Donor 2018)
Posts: 2589
Joined: 21 Aug 2009, 11:58
Location: Penwortham
Lexia Available: Yes
My Cars: 2008 C6 2.7 Exclusive in Mativoire Beige with Vitali Leather.
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2017 1.6HDi Berlingo Van - the works van
x 42
Contact:

Re: X7 Electric handbrake

Post by Trainman »

Just a daft thought..... I have the car up on axle stands, could this be a part of the problem?
Steve

2008 C6 2.7 Exclusive in Mativoire Beige with Vitali Leather.
2019 C5 1.6 Aircross Flair+ in Platinum Grey with Claudia Rimini Leather

http://c6owners.org/index.php
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