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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System (Service Information) >> Diagnosis and Testing >> Heating And A/C Systems >> System Tests >> HVAC System Test - ATC And MTC Systems

HVAC System Test - ATC And MTC Systems

The HVAC System Test provides a starting point in the diagnostic process by identifying the appropriate diagnostic procedure or system test to perform when diagnosing a given symptom, condition, or DTC. It also provides a means for testing the entire HVAC system by utilizing the A/C-heater control's On-Board System Tests. The On-Board System Tests can also assist in diagnosing stored DTCs. Refer to DTC-Based Diagnostics/HVAC - Standard Procedure .