Main components
1. Stepper motor.
2. Nozzles or injector,
Canister
3. Protection diode
4. 5V regulator
5. Eprom.
6. Processor.
7. Multi fan drivers.
8. Coils.
And now we will describe each component and drivers by datasheet
21-pin multi drive (Injectors, Canister, Fan speed 1) - 30313
Negative shooting and negative output.
Idle Corrector Drive - 7 pins
Ignition coil drive - 30023 - 5-pin – Vectra
Coil B - Coil 1 and 4
5V regulator and main relay drive - 30358 or 30284 - 15 pins.
This component regulates the voltage 5 volts and also activates the
main relay.
EGR control drive - BTS 5115 A (Blazer and S10).
The component shown controls the activation of the solenoid
connected in series with the EGR hose, 8V Blazer and S10 engines only.
In 16V motors, use linear EGR with drive electrical, controlled by
another drive (PWM).
24-pin mult drive - B 58108 or TLE 4226 G.
In this component, the drive is made by negative and the output is positive 5V.
Note: If one of the above diodes shorted
the controlled component will be connected directly.This happens due to the
diodes having one of the terminals connected to the ground.
Multi Drive 24-pin A (Pump relay, injection light, ignition drive)
24-pin Multi Drive (Fan speed 2, Relay A / C, EGR control)
