PicoScope 7 Automotive
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20 A / 60 A DC (low amps) current clamp
*At Pico we are always looking to improve our products. The tool used in this guided test may have been superseded and the product above is our latest version used to diagnose the fault documented in this case study.
The purpose of this test is to examine the primary current within a Coil on Plug circuit when the COP unit’s primary coil is driven by an external amplifier or control module.
View connection guidance notes.
Notes
The orientation of the amp clamp relative to the wire will determine whether it has a positive or negative output. If a live waveform does not appear on your screen or appears to be inverted, try reversing the orientation of the clamp.
This known good waveform has the following characteristics:
GT045-EN
Disclaimer
This help topic is subject to changes without notification. The information within is carefully checked and considered to be correct. This information is an example of our investigations and findings and is not a definitive procedure.
Pico Technology accepts no responsibility for inaccuracies. Each vehicle may be different and require unique test
settings.
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