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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System - Automatic >> Diagnostic Information and Procedures >> DTC B393B: Air Conditioning Compressor Valve Control Circuit >> Component Testing >> A/C Compressor Solenoid Valve Test

A/C Compressor Solenoid Valve Test

  1. Ignition OFF, disconnect the harness connector at the Q46 A/C Compressor Solenoid Valve.
  2. Test for 7-15 Ω between the B+ and control terminal.
    • If less than 7 Ω or greater than 15 Ω 

      Replace the G1 A/C Compressor.

    • If between 7-15 Ω 
  3. Test for infinite resistance between each terminal and the Q46 A/C Compressor Solenoid Valve housing/case.
    • If less than infinite resistance 

      Replace the G1 A/C Compressor.

    • If infinite resistance 
  4. All OK.
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