F430 Flood victim - Looking for full wiring diagrams

The F430 diagrams are generally not available. You may find some dodgy websites with poor ratings offering them for U$300 in non-interactive format. I scored one of these for the Scud and they are not very legible, are missing some pages and have a lots of (OEM Ferrari) errors in them. e.g. one pin on a particular plug had 3 wires going to it from unrelated systems. These diagrams were probably produced by someone getting temporary access to the Ferrari database (at a cost), taking screenshots of the diagrams and converting the screenshots to pdf.

I coloured some of the diagrams and tried to resolve the discrepancies, but I doubt they would be sufficient for a project as big as yours. Also, I've been told that there quite a few differences between the Scud diagrams and the standard car, especially in relation to the engine stuff.

If you have cranking, that's a good sign. It means that the Immobiliser is talking to the F1 TCU (and the TCU is happy to crank the engine). No fire could be a direct result of the Immobiliser ECU not talking to the RH engine ECUs or the RH Engine ECU not talking to the LH Engine ECU. Or there might be an engine sensor not talking to the engine ECUs (crank sensors, accelerator pedal sensor, etc).

The basic CAN network is just green and white wires

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Slightly less blurriness here:

https://www.dropbox.com/t/BTHqoACbKNULWXcU

(Your car won't have the "ion" box)

Here's a diagram showing a fraction of the wiring going to the engine ECU. There are big chunks missing (including the wiring from the Immobiliser ECU to the RH ECU)

https://www.dropbox.com/t/8llZz1UmSGhkJShg

It does show wiring to the fuel pumps.

I guess you've checked the basics, like looking for fuel pressure at the rails?

 

For those that can't read HEIC files...

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Is ABSENT a good thing or bad thing?

 

Still doesn't make a whole lot of sense (to me)

No live battery power to both ECUs? Fuses PSF21/PSF21 and PDF21/PDF23 have power? (and Maxi fuse PSF28 behind the left hand seat)? Power on pin 62 of both Motronic ECUs?

Immobilizer Malfunction? How are you getting cranking?

Steering wheel malfunction? How is the starter button working?

Coolant temp sensor high value? I've heard of a faulty coolant temperature sensor stopping engine start (firing) on a 550. You can't take anything for granted on these cars.

 

Slightly better, I suppose.

Why is the Immobiliser not getting power? The only diagram I have for the Immo ECU is this one:

https://www.dropbox.com/t/v3w0idFTOTtE3Lgc

I suppose battery power is power from fuse PDF14 going to pin 3 of plug B (pink/red wire).

I've been trying to figure out this circuit for a while. It's like the Immo ECU sends an unlock signal on the "W-Line" to the RH Engine ECU via the relaxed contacts of relay PRD1. Once the RH ECU is happy, it energises PDR1. What happens next, I don't know. It just seems to allow the RH ECU to talk to the OBD2 port.

The LH Bank problems probably won't help the car run. MAF issues and ??? Not sure what a Pcv Powerstage is.

I don't know if e-Diff issues are going to affect engine ops.

It's late here... Perhaps the experts can chime in.

 

Key w/lock symbol illuminated in dash cluster?

 

P1305 is not amongst the list of codes I have for the F430. P13xx Ferrari codes seem related to timing (crank sensors, timing variators, etc) and knock sensors.

Do you have these diagnostic tables for the F430? (8Mb pdf)

https://www.dropbox.com/t/tgbwXc332pLFKZV3

 

Note that without a breakout box, you may have to backprobe some of the plugs to get the voltage and oscilloscope readings.

This image should help you understand the table's "Mxx" and "Fxx"

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Ignore my examples (I'm not sure if they are the same on the standard F430)

M is the small plug, F is the large plug. The image is a view of the ECU connectors looking at the contact side (not the wire side)

 

I would have expected that as a STARTING POINT for a project such as this ALL fluids would be changed (and flushed) first before tackling anything else.
Of course, my point of view. Good luck!

 

Depends who you ask. There's an old saying... There are old pilots and bold pilots, but no old and bold pilots

Were you able to do any of the diagnostic checks? Or at least those related to timing sensors, throttle control, timing variators, injectors, MAF, etc?

You do have a MAF code. Have you tried swapping the MAFs?

Regarding your Pcv code. All I could find was this:

https://www.ferrarichat.com/forum/threads/07-599-gtb-need-help-with-pcv-code-right-ecu.621007/

I'm assuming that is not stopping engine start (firing).

 

Any valves in particular? Do the throttle valves cycle when the key is turned on? (I don't know if the position is visible from the outside).