Renault Siemens Sirius 32 ECU Components and Pinout Guide
More ECU PINOUT Components:
ECU Modules Repair Pinpout & Components
Main components
1 Injector drive – Motorola – TY94084 FB – 20 pins;
2 5V regulator;
3 Processor;
4 Crystal – Clock – 8MHz;
5 Rom memory – 29F200 BB;
6 Multidrive – Canister – Motorola – TY94082 FB – 20 pins;
7 Ignition drive – Cylinder 1/4;
8 Ignition drive – Cylinder 2/3;
9 Multidrive – Main relay – Fuel pump relay – V1 Cooling – ST – ATM 398 – 20 pins;
10 Stepper motor drive – ST – U705 SDlC03 – 20 pins.
Common Defects
. Immobilizer lock (must be reset or decoded)
. Breaking of trails near the mouthpiece
Injector Drive – Motorola – TY94084 FB – 20 pins
On the bench, the injection sequence is 2 to 2.
5V Regulator
Ignition Drives
Multidrive – Main relay – Fuel pump relay – V1 Cooling – ST – ATM 398 – 20 pins
Between pin 5 of the component and pin 68 of ECU. They are protection diode. Fuel Pump Diode
Stepper motor drive – ST – U705 SDlC03 – 20 pins
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