Auto Knowledge

Magneti Marelli 4AFB – Fiat ECU Components Pinout

Magneti Marelli 4AFB – Fiat ECU Components Pinout

 

Vehicles: Palio 1.0 8V Flex.

 

 

More ECU PINOUT Components:

ECU Modules Repair Pinpout & Components

 

 

Main components

  1. Fan 1 and 2 / Main relay;
  2. Lambda probe;
  3. Cold start;
  4. Coil 2 and 4;
  5. Coil 1 and 4;
  6. Nozzles / Stepper motor / Canister;
  7. Soic 95160 / Code;
  8. Processor – ST10;
  9. Can network; (Note: Cars with BC).
  10. Capacitor.

 

Technical specifications

Special features

.There is 4AFB with panel, box or Body Computer. 4AFB – Gasoline is not interchangeable with flex.

 

Common defects

Oxidation on the plate, electro fan and cold start.

Note: AFR regulation is used, 9 for alcohol and 13 for gasoline.

The cold start would only function if the AFR is below 10.5 and the temperature water and air are below 16 ° C.

Immobilizer, use the decode. Processor: ST10.

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