Pug 307 Engine fuse box fault: ECU not communicating on the CAN

[z786]

Hi, i connected jump leads to a 307 1.6 hdi 2007

key was out when i did this

now the car has no crank

and error code in bsi

Engine fuse box fault: ECU not communicating on the CAN

any idea how i can start this? even if any can tell me how to direct the starter??

thanks

[Larue]

According to AD wiring diagrams there is nothing to do with ECU communications thru CAN lines and underbonnet BSI unless you have lost some power supply to ECU.
Both CAN lines are going from Engine control unit thru ABS control unit to BSI.
Starter solenoid wire suppose to be on pin 2 in 5pin black connector in underbonnet fuse box.
I would start from checking power supplies and grounds to the ECU. Those underbonnet fuse boxes are pretty crap.

[z786]

but u get comms wit pp2000 on all modules
shud there be live on pin 2?
also even if ecu had no power car shud still crank?
any specefic fuses i need to check?

[ammarben]

there is a can communication betwen BSI and BSM

[ammarben]

can wire 9017B and 9018B

[Larue]

but u get comms wit pp2000 on all modules
shud there be live on pin 2?
also even if ecu had no power car shud still crank?
any specefic fuses i need to check?

If you have communications with all other modules then just check power supplies,grounds etc on underbonnet BSI and if it's OK then fit new one.
It can not crank if Engine control unit isn't powered up as starter relay is controlled by ECU.
On pin 2 should be 12V under cranking. That is starter solenoid wire. You can put 12V power supply on it and it should crank over.
There are some maxi fuses under fusebox. Could be worth checking,but I'm in doubt that could be problem.
Most likely that is underbonnet fusebox itself.

[z786]

checked all earths and lives, they seem fine

fusebox is new type


also on which plug is the pin2 i need to check?

the multiplug black plug had live on ign

there was a 2 pin plug aswell but wasnt sure if i shud feed it live, any knw what wire i can get starter to turn plz?

[teuton]

Did you try to reset the bsi by disconnecting battery applying the 3 minute rule?

[z786]

yes i did that, 5 times

also noticed on cluster, the digital temp guage dissapeared after jump leads wer connected

[Larue]

It looks like AD is wrong and showing old type underbonnet BSI.
I had a look in Bosch ESI and found new type one but can't find pinouts for starter and there is no pin for starter relay listed in ECU pinouts.
I think i will need RPO number to find correct wiring diagram in Sedre backup.

[z786]

i think its a delphi fusebox

[z786]

any1 plz
????

[Meat-Head]

was justy22 closFfs have TWO of them fuses boxes - both fawlty here, thurd went in trash.

dealer keeps on shelf there that giood.

think ?156+vat

just put test light on ecu case, check has an earth, if touched pos blow ecu.
e by or something?

[Larue]

Had a look on Sedre backup.
Wire for starter solenoid is on 5 pin Yellow plug,pin Nr2,wire number 100.
About other wiring diagrams...it's difficult to print out all things from Sedre with codes meanings. If you want to work with french cars you need to get Sedre backup yourself.
I agree with Meaty about getting another fusebox from stealer.
They are just plug and play. Doesn't need programming. Just check fuses if they are in right places.

[Meat-Head]

thwse fuseboxes are now potted in epoxy non smokeable resin.

you can't shift it not even with
'hydclorloic acid' that just makes the concrere you spilt it on bubble not touch the epoxy