: Supplements for related electronic ignition analyzers (like the ET920 or ET950) are sometimes available on secondary markets like eBay , which include diagrams and test procedures.
The Mac Tools ET97 is a professional automotive diagnostic/hand tool (confirm exact model function — e.g., electronic tester, torque tool, or diagnostic scanner) designed for shop use. This post covers setup, basic operation, common troubleshooting, safety, and maintenance. Mac tools et97 user Manual
: Reads and clears generic and manufacturer-specific DTCs. It also supports viewing Freeze Frame data and VIN information. I/M Readiness : Reads and clears generic and manufacturer-specific DTCs
A: This typically indicates an overload or incorrect input. For example, if you have the rotary switch on “Ω” (resistance) but you apply 120V AC, the meter will display an error to protect itself. Disconnect immediately and select the correct mode. For example, if you have the rotary switch