Four Seasons 69636 ECV Compressor Diagnostic Tool with Connector Kit

The Four Seasons 69636 is a comprehensive ECV (Externally Controlled Variable) compressor diagnostic tool designed for professional automotive air conditioning service and repair. This advanced diagnostic kit includes over 25 custom connector pigtails to enable complete testing of computer-controlled variable displacement compressor systems across multiple vehicle makes and models.

Key Features:

• Complete diagnostic kit with 25+ connectors for testing all major ECV compressor types
• Dual-mode operation: switch between manual and automatic modes for comprehensive diagnostics
• Easy-to-read visual display for monitoring duty cycle command signals
• Bypasses vehicle computer to directly control compressor operation without setting diagnostic trouble codes
• Enables testing in colder weather when compressor may not normally operate at maximum displacement
• Works with both positive and ground side controlled solenoids
• Interfaces with vehicle computer to avoid unnecessary codes during testing

This professional-grade tool puts technicians in direct control of electronically controlled compressors, allowing for accurate diagnosis of whether issues stem from the computer control system or the basic A/C system itself. Essential for shops working with modern variable displacement compressor systems found in today's vehicles.