Motronic 1.7 Fiat ECU Pinout Component Diagram
More ECU PINOUT Components:
ECU Modules Repair Pinpout & Components
Main components
1 EPROM;
2 RAM memory;
3 Processor;
4 Pulse controller: Nozzle, coil and actuator drive ML;
5 Protection diode;
6 Coil 1 and 2;
7 Stepper motor and pump relay;
8 Spout;
9 5 V regulator;
10 Capacitor.
Technical specifications
Special features
. Pin 1 facing the processor;
. Intel 8051 processor – 68 pins;
. Eprom 27C256 with 32 kb;
. Analog coil signal;
. Phonic RPM signal 60-2;
. Has no immobilizer;
. 1 coil, rotation sensor, 1 injection nozzle.
Common Defects
. Cold solder, if it is damp or oxidized;
. Nozzle and coil oscillation;
. Check that the nozzle is original and the TPSBUTTERFLY, the two work together;
. Locked stepper motor warms up the drive motor step and ends up burning;
. Nozzle no pulses possible defect in the processor help. This processor also controls the ignition.
. ECU for Clio Mono, Peugeot mono with Bosch 3.1 are very similar, but not interchangeable.