Sync synchronization transducer
Sync synchronization transducer is used to synchronize to a cylinder by attaching to a plug wire. When using an oscilloscope for ignition diagnosis or performing CSS and Px tests, it is necessary for the synchronization pulses to indicate the top dead center at the end of the compression stroke of Cylinder #1. Near this point, the ignition system of the gasoline engine generates what is called a “working spark.” This is why, on spark-ignition engines, the synchronization pulses are obtained from the ignition spark, which is recorded using a high-voltage synchronization black probe. The output signal of this probe is fed to the specialized “In Synchro” input of the USB Autoscope device.
Sync synchronization probe is used in almost all measurements and tests on any gasoline engine. Its signal allows you to determine the beginning and end of the complete cycle of the cylinder #1.
Sync probe is usually attached to the spark plug wire of cylinder number one, or, if different, the timing cylinder.
COP (Coil-On-Plug) ignition systems are, with a few exceptions not equipped with plug wires. To attach the Sync probe, we recommend using one of the ignition wires from the kit.
The length of a Sync probe cable is 1.8 m.
Precautions before use:
Keep wires and adapters away from moving and rotating parts.
Keep wires and adapters away from the exhaust manifold.
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