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Electrical problem... All functions blocked!
#1
Hi all!

Today I have a serious issue with my Berlingo. I drove early in the morning for 300km, and everything was working fine (all lights, wipers, radio, and air/con). The only weird issue was that at some point the wipers activated, but they stops by themselves once I stopped to check out the cause.

After being parked for 4 hours in the tropical sun, the  Blingo started just fine, but a friend noticed that my headlights were on. The air/con was fine, but I had no signal lights, no wipers, and I was unable to turn off the headlights. I did a "battery reset" and things remains the same. Then I tried to reset the COM2000 as a friend suggested me, by turning the ignition on and off for 3 seconds, and pulling the lights and the wiper controls at the same time until the horn sounded, but nothing good happened. After that, all gauges went to zero, the airbag light, another light with airbag x2, another with a car slippping, the stop light started flashing and the low fuel level light also flashing. In the radio I can hear a beep every second, and nothing respond in the COM2000. I was able to turn off the air/con, but after that not even the blower worked. I stopped once more on the road, and after removing the key from the ignition, the blower was still on, and I had to disconnect the battery wire. After that the engine started just fine, and I was able to drive back the 300km, but with the headlights on, with no wipers, no indicators, and nothing on the instruments.

The interesting thing was that a part of the route was under very heavy rain (and no wipers), and everything suddenly started working fine, until I get home (200km and another storm later).

After turning off the engine, everything was back to worse... nothing electrical responds, the headlights are on, but without indication on the dashboard (except for the airbag, airbag x2, the car slipping, the flashing STOP and low fuel light), no indicators, no wipers, no air/con, no blower, no door opened detection, but the radio turns on, and the screen shows the station just fine, still I can hear a beep every second on the speakers, and instead of numbers, it is showing horizontal bars, in the top, the center, and the bottom of every number of the odometer.

I checked the wiring under the seats, and everything seems to be fine. Took out the BSI, removed the plastic covers and cleaned it with contact cleaner, but there were very little rust on in, and no signs of water. Checked every fuse in both compartments, and all of them were in good shape. I'll try a Lexia-like device on it, but maybe someone had this situation and knows how to solve it.

Any help will be appreciated... It's been a year with this Blingo, and it is the first time that this happens.

Best regards,

Nestor
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#2
I never had any problems with our car but I would look at the BSI in your case, check the connectors for water damage at least and try the Lexia route to see what it reports. Sorry I can't give any positive help best of luck with sorting it.
So where does this bit go then ?
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#3
I would look at water ingress in the BSI. you say you went through heavy rain. Check the scuttle area for blockages as the water cant drain away so it runs down the loom into the BSI.
Are we there yet????? Huh
Ex 1.6hdi van now 3 seater 1.4 multispace
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#4
Get the battery voltage checked and check the the alternator is working.

Check all the main electrical connections to the battery, the thick wires and the main body earth lead that goes from the negative of the battery to the gearbox and to the body of the vehicle.

.
My vehicle .... 2006 (m59) Berlingo Multispace Desire - 1.6 HDI 92 
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#5
Well, hard weekend:

1. Checked and cleaned PSF1. All fuses Ok, no signs of corrosion there
2. Checked 6574, 6573, 6563 and 6564 (pretensors and airbag sensors) under the seats. All cleaned and reconnected
3. Tested a second CV00 (COM2000). No changes on dashboard
4. Checked for continuity and open earth wires 9012 and 9013, 10V black connector PSF1 to 40V Black connector on PSI. Wires OK, no earth connection.
5. Checked MC42 earth point, in the left column. Dissassemble, clean, reassemble.
6. BSI1 out. Rust on connector 40V black, and 6V (I don't know what it does). This means that I have a water leak. Cleaned with contact-cleaner and a small brush.
7. Found under the windscreen a possible way in for the water. Closed that leak.
8. Checked earth points under the hood for the thick wires, gear box and body. Dissassemble, clean, reassemble.

I've been following a Rustscrat's post with the wiring for the ABS system (which by the way my car does not has), and now I'm looking for the box labeled 6570 (Control of pretensors and ABS), and MC43 (earth point for that box). Anyone knows where these are located?

The headlights are still on, and the dashboard is in "panic state" every time I start the Blingo.

Thanks in advance!

PS: Still no luck with the Lexia-like reader, my friend wasn't nearby this weekend, so I'm a little bit blind without that.
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#6
(09-07-2018, 01:41 PM)nalonso Wrote:  Well, hard weekend:

1. Checked and cleaned PSF1. All fuses Ok, no signs of corrosion there
2. Checked 6574, 6573, 6563 and 6564  (pretensors and airbag sensors) under the seats. All cleaned and reconnected
3. Tested a second CV00 (COM2000). No changes on dashboard
4. Checked for continuity and open earth wires 9012 and 9013, 10V black connector PSF1 to 40V Black connector on PSI. Wires OK, no earth connection.
5. Checked MC42 earth point, in the left column. Dissassemble, clean, reassemble.
6. BSI1 out. Rust on connector 40V black, and 6V (I don't know what it does). This means that I have a water leak. Cleaned with contact-cleaner and a small brush.
7. Found under the windscreen a possible way in for the water. Closed that leak.
8. Checked earth points under the hood for the thick wires, gear box and body. Dissassemble, clean, reassemble.

I've been following a Rustscrat's post with the wiring for the ABS system (which by the way my car does not has), and now I'm looking for the box labeled 6570 (Control of pretensors and ABS), and MC43 (earth point for that box). Anyone knows where these are located?

The headlights are still on, and the dashboard is in "panic state" every time I start the Blingo.

Thanks in advance!

PS: Still no luck with the Lexia-like reader, my friend wasn't nearby this weekend, so I'm a little bit blind without that.

Have you tried a "hard reset"? diconnect battery for 20 mins and put it back. -ve first then +ve disconnect, when you reconnect, +ve first then -ve
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#7
(09-07-2018, 06:57 PM)Tpeti Wrote:  Have you tried a "hard reset"? diconnect battery for 20 mins and put it back. -ve first then +ve disconnect, when you reconnect, +ve first then -ve

Yes, Tpeti... I forgot to say that... The first night I did it, and reconnected it in the morning, but no luck.

Actually, I've found this document (sorry, in Spanish):

http://diagramasde.com/diagramas/otros2/206FULLMUX.pdf

It is related to Peugeot 206, but the failure codes defined there match exactly my problem: Seems that the BSI is unable to communicate with the BM34 (Engine fuse box). The failure code is reflected by turning on the headlights.

Based on this link (sorry, spanish again):

https://dlscrib.com/downloadFile/588bf5c...ca6e35c6a4

On page 66, it defines that for a M59 Peugeot Partner:

- Redes VAN carrocería 1: BM34, CV00, 6570

Which means that BM34 (engine fuses box), CV00 (COM2000) and 6570 (Airbag box) shares the VAN1 network, and also that the network is master-slave, so it seems that if the BSI is not able to communicate in this bus, then the slave devices will be offline, throwing their respective error codes...

Seems to me that I'll have to use my soldering skills!!!
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#8
We had similar behaviour with a B9 van at work, and believe it or not, ended up fitting a brand new battery and it was cured.

The other thing you can check, is under the engine fusebox top layer, is a second pack of Fuses, hidden beneath. Dig down into the fusebox, the top layer is riveted in place, and check the hidden block of Fuses to ensure one of those has not blown. Could be that easy a fix.
My Van: 2007 1.6 HDi 600 - currently on 60,000 miles  Sleepy
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