The official Equus 3022 manual includes critical safety warnings:
Touch the internal testing probes across a component—such as an unhooked spark plug wire or an ignition coil primary winding—to read electrical resistance. High or infinite resistance means an open circuit or broken wire exists. 🧰 Maintenance and Internal Battery Replacement
: Diagnoses circuit loads and uncovers parasitic battery drains. equus 3022 tester manual full
Slide the power switch on the Equus 3022 to the position.
This test measures the state of charge of the battery when it is not being supplied power by the alternator. The official Equus 3022 manual includes critical safety
, is a professional-grade diagnostic tool designed for deep automotive troubleshooting. Unlike basic multimeters, it features an inductive pickup for measuring high-speed engine performance data without direct electrical contact with spark plug wires. Deep Features & Specifications Equus 3022
: The battery condition is good, but the state of charge is low. Recharge the battery and retest. Slide the power switch on the Equus 3022 to the position
The tester's LED screen or internal beeper will begin outputting the codes. Understanding the Code Output Structure
Severely discharged or defective cell. The vehicle may fail to start. Engine Running (Alternator Output Check) Voltage Reading LED Status Diagnosis & Recommended Action Red