: Once connected, the tester should display the static voltage. 12.6V - 12.8V : Indicates a fully charged battery. 12.4V : Partially charged; may need a recharge. Below 11.9V : Significantly discharged or dead.
: Powered directly by the vehicle battery being tested (no internal batteries required).
Have you lost your paper manual? Visit Innova’s legacy support page today and search “3022” for your free, full PDF download. Bookmark this article for quick reference to the manual’s key sections. equus 3022 tester manual full
The screen will prompt you to select the battery type (Regular Flooded, AGM, or Gel). Use the arrow keys to select your type and press .
Keep the 3022 for your lawn tractor, boat, or classic muscle car. Buy a modern OBD2 scanner for anything with fuel injectors and a computer. : Once connected, the tester should display the
The lab smelled of solder flux and stale coffee. Fluorescent lights hummed like distant insects, casting cool rectangles across benches stacked with circuit boards, oscilloscopes, and coil-wound transformers. A single machine at the center of the room held court: the Equus 3022 tester, its brushed-aluminum face scarred with fingerprints, its display dimmed to a soft amber glow.
The DLC is a standard 16-pin connector. It is usually located under the driver’s side dashboard, within 12 inches of the steering wheel. If it is not visible, check behind the ash tray, under the glove box, or consult your vehicle service manual. 2. Connect the Tool Below 11
The manual provides a detailed diagram of the unit’s face. Key components include:
Analyzes the state of the ignition points in older distributor-based systems. Operating Instructions & Setup
Use chocks on the tires to prevent accidental vehicle movement.
Ensure the A/C, radio, headlights, and heater are completely off.