The Valtest 371 Compressor Diagnostic Tool

Designed to diagnose:

• Failing A/C systems with electronically controlled compressors.
• Performs a quick, easy to understand analysis of the compressors opereration, the strength of the Electronic Control Unit signal, and the functionality of the valve by determining whether there is a short circuit or open circuit, and whether the failure is in the ECU or the compressor.
• Makes it possible to effectively diagnose the new generation of electroncially controlled A/C compressors.
• A must have tool for the A/C technician.

Instruction User Guide found here.