In the video here below we explain how to get started with your new CPX-955 Subaru Battery Tester!
CPX vs GRX: Your CPX uses improved testing technology and in addition to testing the battery its cranking power, its equipped with Conductance Profiling Technology for a more accurate and decisive battery test process. As a result, the battery decision the CPX-955 provides may be different then the GRX-3590. For more information about Conductance ProfilingConductance Profiling Archives – Subaru EU CPX-955, please also see