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How Do You Diagnose BMW Valvetronic System Fault DTC 135808 And DTC 135B11 Using A PicoScope Automotive Oscilloscope?
BMW 330e Valvetronic case study: investigating DTC 135808 and 135B11 with the MT03A milliohm tester and PicoScope, plus known-good reference waveforms.
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Expand Your Oscilloscope Diagnostic Reach with PicoScope 7 Automotive Early Access
Master the latest PicoScope 7 Automotive Early Access. Learn to use new features to streamline your vehicle and marine diagnostics. Free lifetime updates
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SENT protocol decoding and diagnosis guide
Decoding SENT Protocol (SAE J2716) with PicoScope SENT is a point-to-point unidirectional communication standard applied to sensors that convert analogue signals such as mass air…
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What is CAN Bus? A deep dive into Controller Area Network basics
Arguably, when asked to name a vehicle network, the first one that comes to mind is the Controller Area Network (CAN). This is no surprise,…
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New features in PicoScope 7.2.3 EA
Introducing Waveform Overlays It is now possible to see multiple scope or spectrum traces overlaid using controls within the PicoScope Waveform Navigator panel. With waveforms…
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The LIN protocol (Local Interconnect Network)
Whilst modern vehicle networks continue to increase in terms of communication speeds and arguably complexity, there remains an essential need for a reliable, low-speed, cost-effective…
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A comprehensive guide to oscilloscope diagnostics
There can be no doubt that the automotive service and repair industry has changed beyond all recognition in the last 40 years. The last five…
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Toyota Hilux | Non-starter
When it comes to diagnosis there has to be a logical approach at all costs without any preconceptions about “What could be and what has…
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JCB JS220 | JCB JS220 Excavator
As with most things in life, nothing is simple or easy. That is very true of this machine that was exhibiting a number of issues.…
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Permanent magnet synchronous motor/generator operation
Research into the operation of a 3-phase permanent magnet synchronous motor/generator (MG), that had been fitted to a VW E-Golf, raised several questions surrounding the…
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Audi Q7 e-tron | Fails to charge via plug-in charger
While electric vehicles appear to be the future, plug-in hybrid vehicles seem to be the order of the day when it comes to the best…
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Volvo XC90 | Non-intrusive engine evaluation
A recent visit with a Volvo XC90 with a permanent misfire problem provided a great opportunity for a non-intrusive engine condition evaluation. How we tackle…
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Honda Civic | Severe vibration under acceleration
NVH diagnostics requires a methodical approach and evaluation of test results to reach a conclusion that is satisfactory for all parties involved. The case study…
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Honda Civic FK2 (8th generation) | Engine rattle at idle speed
While the future may be “Electric” the internal combustion engine (ICE) has many years left before it disappears forever. However, I am certain that it…
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BMW i3 | Does not switch to Ready mode and drivetrain error message
While the future may be Electric, and technology marches on at a relentless pace, the following case study highlights a typical fault we have seen…