Mac Tools Et97 User Manual Official

| Desired Test | Select Function | Lead Connection | Notes | |--------------|----------------|----------------|-------| | Battery voltage | | COM + VΩ | Expect ~12.6V engine off, ~14.2V running | | Injector pulse | Duty cycle % or ms | COM + VΩ (back probe connector) | Engine running | | Resistance | Ω (with relative mode) | COM + VΩ | Subtract lead resistance | | Temperature | °C or °F | K-type probe into COM + VΩ | Clip near heat source | | Continuity | Ω then Mode button for buzzer | COM + VΩ | Buzzer sounds below ~30Ω |

Check the OBD-II port fuse in your vehicle. Ensure the connector is firmly seated. Mac tools et97 user Manual

Once connected, the main menu allows you to select from various diagnostic modes. Reading Codes (DTCs) Select from the main menu. | Desired Test | Select Function | Lead

Turn the ignition key to the "ON" position (do not start the engine unless you need live data). The scanner should boot up automatically. Reading Codes (DTCs) Select from the main menu

Do not connect or disconnect the scanner while the engine is running or in the ignition "On" position, as this can damage the tool or the ECU. 4. Getting Started: Setup and Connection

with the handbrake applied before starting diagnostics to prevent uncontrolled movement. : For repairs, Guaranteed Repair Rates through their authorized repair centers step-by-step walkthrough for performing a specific test, such as an I/M Readiness Repair Instructions - Mac Tools

Jake slid the socket onto the drain plug. He started turning. He was used to waiting for a mechanical "click" that you can barely hear over an engine running.