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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 (HVAC System - Manual) >> Diagnostic Information and Procedures >> DTC B3933: Air Conditioning Evaporator Temperature Sensor >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition ON.
  2. Verify DTC B3933 has a working parameter displayed in body control module scan tool information.
    • If there is not a working scan tool parameter 

      Refer to Circuit/System Testing - Without Scan Tool Support.

    • If there is a working scan tool parameter 
  3. Refer to Circuit/System Testing - With Scan Tool Support.