Basic Information Vehicle Model Dongfeng Liuzhou Chao Long M3 Engine Brand Isuzu ECU Model EDC17CV54 Emission Stage National V Fault Phenomenon Engine fault light on, power insufficient. Troubleshooting Step 1: Use a decoder to read the fault code, the fault code is P0204: Injector open circuit for the fourth cylinder (physical second cylinder). Step 2: … Read more
When applying for the latest data or factory data, you may encounter this issue. Current software version: 3.5.8 Error phenomenon: Application failed: ECU type verification failed: The data version you applied for is WISE13-P231-V101, while the corresponding version for this engine number is: WISEC13-P230-V173. Cause of the issue: This is a common problem with National … Read more
1. The electronic control unit (ECU) mainly consists of input circuits, A/D converters, computers, and output circuits.(√) 11 2. The electronically controlled gasoline injection system utilizes negative pressure generated in the throat of the throttle above the throttle valve during air flow to draw out gasoline, which is then atomized and delivered to the engine. … Read more
Follow 【Finger Motorcycle】 for fresh insights on motorcycle maintenance and repair! Author: Weibo Yesterday, some enthusiasts in the group discussed the operation of the fuel injection system, particularly when fuel cut-off during deceleration begins and which sensor controls it. Some said it’s controlled by the rapid return of the throttle, while others claimed it’s controlled … Read more
Important considerations for G6 data flashing include checking three areas: 1. Determine which model of ECU is equipped on this vehicle based on the ECU part number; do not rely on experience or intuition, seeing is believing; 2. Verify whether the controller interface entered in the Smart Genius is correct (for example, if the part … Read more
With the increasing demand for energy conservation, emission reduction, and lower fuel consumption, the engine idle stop-start system has become a relatively quick technology to reduce fuel consumption, decrease emissions, and enhance vehicle appeal, and it is being adopted by more and more manufacturers. What exactly is this seemingly sophisticated technology capable of? Today, I … Read more
2017, Happy New Year! This Issue Guide: Many mechanics often ask me why the motor won’t start and there’s no response when trying to start the car. When I encounter such issues, I honestly feel reluctant, especially when there are no fault codes. This kind of problem is systemic and involves various aspects of the … Read more
Previously, I explained the power-on and startup control strategies for the EDC7 and EDC17 computer boards. If you haven’t seen it, you can click below to review. ↓↓↓↓↓↓ Detailed Explanation of Power-On Control Strategies for Various ECUs (Part 1) Today, I will explain another control strategy for startup using CAN communication signals. The heavy-duty truck … Read more
Follow 【Finger Motorcycle】 for fresh insights on motorcycle maintenance and repair! Author: Longxing Tianxia The maintenance of fuel-injected motorcycles has always left mechanics accustomed to carbureted models feeling at a loss. Today, I will analyze a case where a motorcycle could not start after an ECU replacement, to share some technical insights. A Neptune motorcycle, … Read more
Please follow our WeChat public account “Finger Motorcycle” to read the latest motorcycle maintenance and repair information. Search for ID mscmoto directly in WeChat to follow! The most notable feature of fuel-injected motorcycles compared to carbureted models is the addition of an onboard computer, also known as the ECU (or ECM). It automatically adjusts the … Read more