Sunday, December 26th, 2010
The ECU performs the following three functions to determine the injection volume:
1. Calculation of basic injection volume
2. Calculation of maximum injection volume
3. Comparison of basic injection volume and maximum injection ...
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Saturday, December 25th, 2010
Engine Speed Sensor
The engine speed sensor is fitted in the injection pump. It consist of a rotor that is pressed over a drive shaft, and a sensor. Electric signals are ...
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Friday, December 24th, 2010
The common-rail system consists of precision parts and uses highly pressurized fuel. Therefore, extreme care must be taken to ensure that foreign matter does not enter the system.
1. Thoroughly clean ...
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Thursday, December 23rd, 2010
The signals from the ECU are amplified by the EDU to operate the injector. High voltage is used particularly when the valve is open in order to open the nozzles. ...
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Thursday, December 23rd, 2010
When the fuel pressure of the commonrail becomes higher than the target injection pressure, the pressure discharge valve receives a signal from engine ECU, in order to open the valve ...
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Wednesday, December 22nd, 2010
The two sets of opposing plungers are driven by the inner cam via the rollers. The inner cam is driven by the engine via the timing belt. The inside of ...
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Tuesday, December 21st, 2010
1. Outline
The fuel that has been drawn up from the feed pump located inside the supply pump is pressurized to the required pressure. The plunger in the pump generates the ...
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Monday, December 20th, 2010
Service Hint
Injection Pump Installation
Install the injection pump by aligning the matching mark on the injection pump with the reference position mark on the engine. Because the ECU recognizes the injection ...
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Sunday, December 19th, 2010
Injection Volume Adjustment
The injection volume is adjusted by operating the SPV in accordance with the signals from the ECU to vary the timing of the ending of the injection.
Injection Timing ...
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