Magneti Marelli 49FB – Fiat ECU Pinout

Magneti Marelli 49FB – Fiat ECU Pinout

More ECU PINOUT Components:

ECU Modules Repair Pinpout & Components

Main components

1. Multi functions – L9104 – 5V regulator – Relay main – Relay A / C;
2. Memory Rom – 29F200 AB;
3. Processor – Motorola – ZC 439507 MF T 20;
4. MAR 9109 PD Multi Drive – 20 pins – Injectors -Canister – Stepper motor – V1 and V2 fan;
5. Drive ignition coil 1 and 4 – VB025;
6. Ignition coil drive 2 and 3 – VB025;
7. Detonation interface – L9119;
8. Soic 8 – 95040 – Immobilizer;
9. Blasting interface – AA205AC.

Common defects

Oxidation of the board causing fan failure or burning the drive that controls the fan;

Burn the drive that controls the nozzle outlet. Ignition coil drive – VB025

MAR 9109 PD multi drive – 20 pins – Injectors – Canister – Stepper motor – Fan V1 and V2.

Multi functions – L9104 – Regulator 5V- Main relay – Relay BC

Detonating magneti – L9119