The starting of the engine must be under the condition that the whole vehicle is powered and the control unit is powered on. The battery voltage meets the specified parameters of the engine. In order to ensure a smooth start at low temperatures, the battery capacity and discharge capacity should be similar to those of similar models. Only work 5 minutes when 36V high voltage.
Remember to turn off the main power switch (or turn off the ignition switch) before pulling and inserting the harness and its sensor, actuator, and controller connections. Otherwise, it will cause the control unit (ECU) to generate a memory, form a fault code and store it, so that the engine enters a failure protection strategy and reduces the power of the engine.
Clean the engine harness regularly with a clean, soft cloth to accumulate oil and dust to keep the harness and its connection to the sensor and actuator dry and clean.
Since most of the plugs are made of plastic material, barbaric operation is prohibited during installation, ensuring that the locking device is in place and that there are no foreign objects in the socket.
Whether the exhaust brake is installed, whether the air-conditioner is controlled by the ECU, whether the starter needs ECU control, whether to use cruise control, etc., it is necessary to negotiate with the auto manufacturer when the vehicle is equipped. If the user sometimes installs air-conditioner privately, the ECU cannot receive the request. The signal, without idling, has caused idling instability.
Control units (ECUs) cannot be interchanged at will, and models and engines of the same model can be interchanged under the same conditions.
In the case of modified and self-contained air-conditioning engines, the control system EECU will have a controlled command and need to change the brush data again.
When replacing the injector and pressure pump assembly of the control system, the oil volume of the high-power engine varies greatly, and the IQA code needs to be re-entered. Otherwise, the control system execution unit is controlled and the performance of the engine changes.
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