Mercury 20 EFI FourStroke

CDS G3 Diagnostics Screen
Use the Diagnostics screen to confirm proper operation of various system components. To perform one of the listed
diagnostics, click the appropriate button, and follow the on‑screen instructions.
64646
Injector Pulse
Ignition Spark
LED Output
Horn Output
Idle Air Control
Fuel Pump Output
Cylinder Misfire
General Troubleshooting
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