c5 suspension wont rise...please read

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GiveMeABreak
(Donor 2016)
Posts: 41989
Joined: 15 Sep 2015, 19:38
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Re: c5 suspension wont rise...please read

Unread post by GiveMeABreak »

The suspension ECU is integrated into the BHI, along with the controller. There are no internal details, but with the diagram below, you can check the pin out and connections, especially C2 and C4.
BHI Pic.PNG
bhi pic b.PNG

Allocation of the channels of the black 32 -way connector
Channel No.Designation
A1Not connected
A2Body height sensor supply (Rear ) (+)
A3Not connected
A4Not connected
B1Not connected
B2Body height sensor supply (Before ) (+)
B3Not connected
B4Information RCD
C1Not connected
C2IS CAN High
C3Not connected
C4IS CAN Low
D1Body height sensor supply (Rear ) (-)
D2Not connected
D3Not connected
D4Not connected
E1Body height sensor supply (Before ) (+)
E2Line k information
E3Not connected
E4Body height sensor signal (Rear )
F1Not connected
F2Integrated electric motor control
F3Not connected
F4Front body height sensor signal
G1Not connected
G2Front hydractive electrovalve control
G3Front hydractive electrovalve supply (+)
G4Rear hydractive electrovalve supply (+)
H1Body earth
H2Rear hydractive electrovalve control
H3Not connected
H4+Battery
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Marc
Sergiu
Posts: 42
Joined: 01 Aug 2023, 16:09

Re: c5 suspension wont rise...please read

Unread post by Sergiu »

Thank you, I will check again, cause i check that conection before and I clean with contact cleaner, and still nothing, but if the pins and conection Is good then I need to get a new pump and change toghether with the BHI, am I right?
Sergiu
Posts: 42
Joined: 01 Aug 2023, 16:09

Re: c5 suspension wont rise...please read

Unread post by Sergiu »

?