This post illustrate SIMOS 3.3 ECU inner board IC function.If you want to repair SIMOS 3.3 ECU,this is help for to you.
The electrical components mark on the pictures include:
Power supply amplifier
Power supply MOSFET
Immobilizer controller
Air conditioner driver chip
RPM amplifier
Rectifying diode
SMD Beads
12 volt voltage-stabiling
Regulator diode
Carbon Canister and oxygen heating driver chip
CAN Transceiver chip
SMD inductance
Oxygen sensor signal processor
Flash chip
Signal amplifier transistor
RAM chip
Ignition driver chip
Fuel injection driver chip
Throttle valve motor driver chip
Detonationos signal processor
Follow below inner PCB picture:
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