Equus 3022 Tester Manual [better] Full Jun 2026

: Tests battery state, charging alternator output, and voltage drops.

Clean dirty contact surfaces gently using fine-grit sandpaper or a small contact file if corrosion is present.

The "7-Function" designation refers to its ability to measure key automotive metrics through a single interface:

The Equus 3022 tester is a handheld device designed to diagnose and test various vehicle systems, including engine, transmission, ABS, and airbag systems. It is compatible with a wide range of vehicles, including passenger cars, trucks, and SUVs. equus 3022 tester manual full

Equus Products was a well-known manufacturer of affordable, quality automotive diagnostic tools. Over time, the brand was absorbed into , a company now synonymous with OBD2 scanners and diagnostic equipment. After the acquisition, many Equus brand tools were discontinued or rebranded under the Innova name. Consequently, the Equus 3022 was likely discontinued, making the original manual a rarity.

Switch the analyzer to the Dwell function to check the timing of ignition point contact. This is crucial for maintaining older vehicles with points-style ignitions. 3. Charging System Diagnostics

: Connect test leads, selecting the function via the rotary switch. Engine/Electrical Testing : Tests battery state, charging alternator output, and

Turn the dial to either Volts (for battery and circuit testing) or Ohms (for resistance and continuity).

For decades, the has been a staple in the garages of DIY mechanics and professional technicians alike. Known affectionately as the "Innova 3022" (following Equus' rebranding to Innova), this ignition analyzer is a powerful tool for diagnosing spark issues on older vehicles equipped with a distributor and conventional ignition systems—primarily cars, trucks, and small engines built before the mid-1990s.

Are you looking to diagnose a issue?

Green (System OK), Yellow (Pending Code), Red (Confirmed DTC). 4. How to Use the Equus 3022 (Step-by-Step) Follow these steps for a complete diagnostic session: Step 1: Locate the DLC

Connect the red test lead to the red input jack and the black lead to the black input jack. Engine Analysis: For dwell, RPM, or duty cycle tests, you must connect the inductive pickup clamp

The full manual dedicates separate chapters to these tests: It is compatible with a wide range of