Saturday, December 18th, 2010
Injection Volume Outline of SPV
There are two types of SPV (Spill Control Valve) that control the injection volume.
Conventional type SPV
(used in axial plunger type pump)
Direct-acting type SPV
(used in the radial ...
Posted in Diesel Engine Control System | 1 Comment »
Friday, December 17th, 2010
In the conventional EFI-diesel, control of injection timing and volume is performed electronically. The device that generates the fuel pressure is the same pump used in an ordinary diesel engine.
The ...
Posted in Diesel Engine Control System | No Comments »
Thursday, December 16th, 2010
When the malfunction code is not confirmed the DTC check and problem still can not be confirmed in the basic inspection,then proceed to this step and perform troubleshooting according to ...
Posted in Diesel Engine Control System | 1 Comment »
Wednesday, December 15th, 2010
When the malfunction code is not confirmed by the DTC check and the problem still can not be confirmed in the basic inspection, perform troubleshooting according to the numbered order ...
Posted in Diesel Engine Control System | No Comments »
Tuesday, December 14th, 2010
System configuration of common-rail EFI-diesel
1. Sensors
2. Actuator
3. ECU and other parts
Layout of components (1CD-FTV E/G)
1. Sensor
(1) Air flow meter
Detects the intake air volume.
(2) Accelerator pedal position sensor
Detects the accelerator opening ...
Posted in Diesel Engine Control System | No Comments »
Monday, December 13th, 2010
System configuration of conventional
1. Sensors
2. Actuator
3. ECU and Others
Layout of Components (1HD-FTE E/G)
1. Sensors
(1) Accelerator pedal position sensor
Detects the accelerator opening angle and the idling condition.
(2) Intake air temperature sensor
Detects ...
Posted in Diesel Engine Control System | 1 Comment »
Sunday, December 12th, 2010
The ECU detects the operating conditions of the engine based on the signals from various sensors. Based on this information, the ECU electrically controls the fuel injection volume and injection ...
Posted in Diesel Engine Control System | 1 Comment »
Saturday, December 11th, 2010
Back-up Function
The back-up function switches over to fixed signal control by the back-up IC to permit driving in cases when a malfunction occurs in the microcomputer inside the engine ECU. ...
Posted in Gasoline Engine Control System | No Comments »
Friday, December 10th, 2010
Fail-safe Function
Purpose of the fail-safe function
If the ECU detects a malfunction in any of the input signal systems, the fail-safe function controls the engine using standard values contained in the ...
Posted in Gasoline Engine Control System | No Comments »
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