Peugeot 5008 rxh doesn't start when cold

[himuuraa]

Hello, maybe someone has wiring diagram for this Peugeot model, need starter control circuit diagram, which module controlled it.
When weather is cold, car doesn't start, but key accepted and if you put +12 to starter solenoid it starts and run, later when car warm up everything is fine. I think problem is in control module or maybe relay, micro break in coil, but first would be good to get wiring diagram..... Thank you!

[rexer]

please LOG ecu and post result here

[alpntrb]

What year is it? What engine (code)? Be more specific please.

Edit:
Found this for 508 RXH - two types of alternator. Sorry it's in Polish - u can translate it.

[radiosolutions]

I would say possible underbonnet fusebox fault. Relay for starter is normally incorporated in this unit.

[himuuraa]

Maybe someone have wiring diagram of glow plugs heating system...
I find out that car doesn't crank when it try to heat glow plugs. If i head up coolant temperature sensor and car doesn't try to head glow plugs, it crank and run. So my theory is faulty glow plugs system, and when it doesn't works, car doesn't crank? I try to change glow plugs relay, because no voltage on glow plugs, but no luck. Maybe problem is in glow plugs relay control. But who directly controlled it? Fuse box near battery? Or something else?

Thank you!