description components
- Driver ignition coil 1 and 4
- Driver ignition coil 2 and 3
- Knock sensor signal
- Processor - ST10
- Crystal - 10 MHz
- Driver oxygen sensor
- Regulator 5V
- Driver actuator for injector - Fan - Main relay
- Electronic accelerator
- Capacitor
Technical information about the ECU
If you see the letter S after 4 that is
mean that this system equipped electronic accelerator.
Because this system it has injection and
immobilizer maps on the processor we can considered as hybrid plant.
You can programming, read and write this
ECU by ST10 programmer or any programmer support its processor ST10 through
Boot mode.
The injection maps and immobilizer system
data is stored in processor ST10.
Common malfunctions in this ECU
Failure DC motor
Malfunction in the DC motor drive, can
causing failure in the acceleration.
failure Processor software
An error may occur due to defect in the
processor software (oscillation of idling, acceleration failure, etc.). to
solve this problem exchange the software for another (tele-loading).
Datasheet about components of the ECU
Datasheet - VB 025 MSP - Ignition drive
The two ignition driver coil is connected to processor in pin number 9 of ignition driver, between this pin number 9 and the processor there is current limiting resistor of 1k Ohms.
As you can see in the picture below the ignition drives is connected to ignition coils in the big pin that is named out ignition coil.
Datasheet VDN 7N V04 - control
Lambda probe heating
This driver is responsible controls the
negative Lambda probe heating , by PWM signal, by varying the voltage applied .
Datasheet L9131 - with 36 Pins
We can call it a multi-function drive
because it has control of 10 functions of ECU,
As shown in the following table and the
components that can be controlled.
|
Pin of component |
Function |
|
2 |
Out for
injection light – connected to 52 pin ECU |
|
3 |
Out for speed fan 2 – connected to 32
pin ECU |
|
4 |
Out for
relay A/C – connected to 17 pin ECU |
|
12 |
Out for speed fan 1 – connected to 42
pin ECU |
|
21 |
Out for
injector N 1 - connected to 79 pin ECU |
|
24 |
Out for injector N 2 - connected to 77
pin ECU |
|
26 |
Out for
injector N 3 - connected to 80 pin ECU |
|
28 |
Out for injector N 4 - connected to 78
pin ECU |
|
30 |
Out for
canister purge valve - connected to 43 pin ECU |
|
32 |
Out for cold party system - connected to
59 pin ECU |
Datasheet Drive L9132 with 36
Pin
As shown in the following table and the
components that can be controlled.
|
Pin of component |
Function |
|
2 |
Out for
man relay - connected to 5 pin ECU |
|
15 |
Out for +5V – TPS – pin 10 and
accelerator pedal - connected to 57 pin ECU |
|
16 |
Out for
+5V – MAP - connected to 64 pin ECU |
Datasheet TLE 6209 R drive
control throttle body
this driver is responsible Controls the
opening and closing of the throttle body, by PWM signal, As shown in the
following table and the components that can be controlled.
|
Pin of component |
function |
|
1 |
Out for
grounding |
|
2 |
Out for 1 - connected to 53 pin ECU |
|
3 |
Out for
1 - connected to 53 pin ECU |
|
4 |
Out for +12 volt |
|
10 |
Out for
grounding |
|
11 |
Out for grounding |
|
15 |
Out for
+ 5V power supply for logical circuit |
|
17 |
Out for +12V power supply for DC motor |
|
18 |
Out for
2 - connected to 67 pin ECU |
|
19 |
Out for 2 - connected to 67 pin ECU |
|
20 |
Out for
grounding |
datasheet detonation drive
AA205AC1 - H992N0430 - ST – with 20 Pins
this drive is for knock sensor, there is
no capacitors in the input, only 2Kohms series resistors is connected to input.
As shown in the following table and the
components that can be controlled.
|
Pin of component |
function |
|
6 |
Out for
knock sensor - connected to 75 pin ECU |
|
16 |
Out for knock sensor - connected to 61
pin ECU |
.