For automotive enthusiasts and repair professionals, having a reliable scan tool is indispensable. Many start with the Innova 3140 Obd2/obd1 Scan Tool for its broad compatibility. However, exploring alternatives can sometimes lead to discovering tools with enhanced features or better value. This article delves into the experience of seeking a replacement for an Innova 3140, focusing on the Bluepoint Microscan series as a viable option.
The search began with a need to replace a malfunctioning Innova 3140 OBD2/OBD1 scan tool. This led to an exploration of the used market, uncovering a set of eight MT2500 modules on eBay at an appealing price. Specifically, the MT25001099 module stood out as essential for diagnosing OBD1 GM-Chrysler-Ford-Jeep vehicles. These modules, originally designed for the Snap-on MT2500, present a cost-effective entry point into professional-grade diagnostics.
Further investigation led to the Bluepoint Microscan III EESC720. This slightly used scanner offered a significant advantage: software for PC connectivity and comprehensive OBD1 and OBD2 coverage. To ensure full OBD1 capability, the necessary OBD1 cable, Snap-On EAX0069L15A MICROSCAN III OBD I CABLE, was also acquired. The Microscan III, when paired with the correct EAX0069L15A cable and Snap-On OBD1 adapters, becomes a potent tool for older vehicles. It’s worth noting that Snap-On offers various OBD1 adapter kits, some inclusive of the EAX0069L15A cable. Earlier Microscan versions utilized 15-pin connector cables, a design updated in the Microscan III.
Connector for Microscan III
Connector for Microscan III
With both the MT-2500 modules and the Microscan III in hand, a direct comparison of OBD1 capabilities, particularly with Ford OBD1 systems, becomes possible. Furthermore, the compatibility extends to Jeep vehicles. A test scenario with a 1992 Jeep Cherokee (OBD1) is planned, utilizing a Chry-1 adapter to assess the capabilities of its OBD1 Powertrain Control Module (PCM). Jeep Cherokees and other Jeep models from 1986 to 1990 were Renix systems, requiring a Jeep-1 adapter. Post-1990 Jeeps transitioned to OBD1, with 1996 being a crossover year where some models were OBD1 and others OBD2 depending on production timing. Interestingly, connecting a Snap-On MT2500 to older Renix Jeeps (like an 89 model) yields live data readouts, necessitating older OBD1 cartridges as later OBD2 cartridges removed OBD1 support.
This exploration highlights that while the Innova 3140 OBD2/OBD1 scan tool is a popular choice, alternatives like the Bluepoint Microscan series, particularly the Microscan III and MT2500 with appropriate modules and cables, offer comparable and potentially enhanced diagnostic capabilities, especially when dealing with older OBD1 vehicles. For those seeking versatile and cost-effective solutions, investigating used professional tools like Bluepoint scanners can be a worthwhile endeavor.
