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TEST ACTION APPLICABILITY 7 With the DRBIII t, read PCM/ECM DTC’s. Are any HVAC related DTCs present? All Yes → Refer to the Powertrain Diagnostic Procedures Manual for the related symptom(s). No → Recheck the climate control system performance. Refer to Service Information for additional information. 271 AUTOMATIC TEMPERATURE CONTROL *HVAC SYSTEM TEST — Continued |