1 Aikelan-DCU jumper schematic diagram 1. Physical jumper diagram 2. Schematic diagram of jumper wires DCU power supply + 4M pin, ground 4L pin, ignition J1 pin, diagnostic CANH-2A pin, and diagnostic CANL-1A pin. 3. DCU appearance diagram 2 Bosch DNOx2.0-DCU jumper schematic diagram 1. Physical jumper diagram 2. Schematic diagram of jumper…
Engineers are working to improve the fuel efficiency of heavy-duty diesel engines while minimizing pollution to reduce energy consumption and ensure the sustainable development of these industries. To this end, researchers at the U.S. Department of Energy (DOE) Argonne National Laboratory in Leman, Illinois, collaborated with Caterpillar. Using Argonne’s high-performance computing resources, researchers have developed…
Trouble phenomenon: A Zhongtong LCK6125 bus was equipped with a Weichai WP10.360 diesel engine. The throttle failed during driving, the idle speed was increased to 1100r/min, and it entered the Limphome state. Troubleshooting: When the idling speed is 1100r/min, most of the faults are caused by the electronic throttle or the throttle circuit. Connect the…
According to the requirements of current regulations, when a vehicle breaks down, Euro 5 and Euro 6 models will have significantly different performance. The National V model will usually not have the torque limit until 36 hours after the vehicle fails, and the speed limit will not appear. The requirements for new Euro VI vehicles…
Case 1 Trouble symptoms: The starter and the engine both have normal starting speeds, but they do not catch fire; or sometimes they can catch fire after many long periods of starting. Cause: There is air in the fuel line. Nature of failure: mechanical failure. Treatment method: exhaust air from the fuel line. Failure analysis:…
This set of tools includes, injector nozzle tightening cap removal tool, 3126B valve plate bolt screwdriver, Multi-function screwdriver handle, 6 types of screw heads, long and short screw rods, long and short screw rods, flexible screw rods, labor-saving wrenches. Injector nozzle tight cap removal tool It is suitable for the removal of the nozzle…
In the TICS fuel injection pump electronic control system, ECU (engine control unit) has a fault self-diagnosis function, which can detect the working conditions of each part of the control system. When the ECU detects the fault signals from the sensors and actuators, it immediately lights up the “CHECKENGINE” (check engine, also called fault self-diagnostic…
Bosch 6.5 urea pump is an airless urea pump launched by Bosch in response to the Asian post-processing market. Compared with the previously launched Bosch 2.2 urea pump, it reduces the working pressure of the urea pump (from 9bar to 5bar). As shown in the figure, the urea pump sucks the urea solution from the…
Key points for troubleshooting of injector blockage: 1. No fault code or fault code content has nothing to do with the injector; 2. The rail pressure can reach above 25MPa when starting; 3. There is a pulse voltage signal in the injector circuit. Key points for troubleshooting of injector jams: 1. No fault code or…
Precautions for disassembly and assembly of CP2.2 Try to use a suction device for cleaning The color of the seal ring of the sub-cylinder element: the upper part, red; the lower part, gray Each sub-cylinder should be marked before disassembly, and the box where each sub-cylinder component is placed should be marked accordingly The relationship…