宏虹免拆診斷 | 2017款 Land Rover Discovery 行駛中引擎抖動且加速無力
作者：蔡永福 故障現象 一輛2017款路虎發現車，搭載3.0L引擎，累計行駛里程約為3.8萬km。車主反映，車輛在行駛過程中突然出現引擎抖動且加速無力的現象，於是請求拖車救援。 故障診斷 拖車到店後首…
Honghong Diagnostic | 2012 Volkswagen Passat Engine Occasionally Fails to Start
作者：桂平市第一中等職業技術學校 黃達遠 故障現象 一輛 2012 款上汽大眾帕薩特車，搭載 CFB 發動機，累計行駛里程約為 12 萬公里。車主反映，將點火開關置於起動檔，偶爾只能聽到“哢噠”一聲，…
Pico Auto Diagnosis】2014 Maserati Ghibli Driver's Side Window Cannot Be Raised or Lowered
A 2014 Maserati Ghibli with a 3.0T engine has accumulated approximately 74,000 miles. The owner reported that the driver's side window could not be raised after it was lowered to the bottom. The garage operated the driver's side window glass lift switch and found that the left front glass lifter did not work, while the other three windows lifted normally. Pico oscilloscope detection, the driver's side door control module (DDM) stored in a number of fault codes (Figure 1), suggesting that the message points to an internal failure of the DDM.
Pico Auto Diagnostics] Jeep Grand Cherokee: Using Dual In-Cylinder Pressure Sensor WPS500X
01 Case Background It's no secret that there are benefits to using pressure sensors. The ability to convert pressure in the physical world into a voltage signal that we can analyze with an oscilloscope allows us to quantify things that we would otherwise be unable to do. If you are not familiar with the use of pressure sensors, crankshaft speed and throttle...
【Pico汽車診斷案例】2021 款Toyota Wildlander PHEV 車發動機故障燈異常點亮
2021款Toyota Wildlander PHEV車，搭載A25D-FXS發動機和動力蓄電池系統（額定電壓為355.2 V，額定容量為45.0 A·h）累計行駛里程約為1萬km。Pico示波器測量凸輪軸和曲軸位置傳感器的訊號波形，分析可知，進、排氣凸輪軸位置傳感器的信號形狀一致，均為周期變化的3個寬度不同的脈衝訊號
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