Equus 3022 Tester Manual Full Best Here

: Wipe or wire-brush the battery terminals to remove dirt and corrosion for a better connection.

Once repairs are complete, clear the codes to reset the check engine light and allow the computer to relearn optimal driving parameters. Hook up the tester as if performing a KOEO test. Turn the ignition key .

Locate the (trapezoidal shape, usually holds up to 6 pins). equus 3022 tester manual full

The Equus 3022 displays codes in a specific sequence. Understanding this sequence prevents misdiagnosis. Code Sequence Types

: Measures RPM (0–12,000), Dwell (0–180°), Duty Cycle (0–100%), DC/AC Voltage (up to 600V), and Resistance/Continuity. Safety & Convenience : Wipe or wire-brush the battery terminals to

While every device is slightly different, most automotive testers share a similar layout:

The full manual dedicates separate chapters to these tests: Turn the ignition key

: EGR valve traffic insufficient / not opening. Code 41 / 172 : Oxygen sensor indicates system lean (HO2S).

Does the vehicle when you turn the key?