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Symptom: *BLEND/MODE/RECIRC DOOR OPERATION IMPROPER -- SINGLE-ZONE POSSIBLE CAUSES CHECK FOR ACTUATOR CIRCUIT TEST FAULT MESSAGES CHECK FOR ACTIVE HVAC DTCS CHECK FOR HVAC DOOR RECALIBRATION FAULT MESSAGES MODE DOOR ACTUATOR(S)/LINKAGE(S)/DOOR(S) BLEND DOOR ACTUATOR/LINKAGE/DOOR RECIRCULATION DOOR ACTUATOR/LINKAGE/DOOR TEST ACTION APPLICABILITY 1 NOTE: All Actuator Circuit Test fault messages and Overcurrent DTCs must t in HVAC, System Tests, actuate the Actuator Circuit Test. Does the DRBIII t display any Actuator Circuit Test fault messages? All Yes → Return to the symptom list and choose the symptom(s). Perform BODY VERIFICATION TEST - VER 1. No → Go To 2 2 NOTE: All Actuator Circuit Test fault messages and Overcurrent DTCs must t, read active HVAC DTCs. Does the DRBIII t display any active HVAC DTCs? All Yes → Return to the symptom list and choose the symptom(s). Perform BODY VERIFICATION TEST - VER 1. No → Go To 3 3 NOTE: All Actuator Circuit Test fault messages and Overcurrent DTCs must t in HVAC, System Tests, actuate the HVAC Door Recalibration Test. t display any HVAC Door Recalibration fault messages? All Yes → Return to the symptom list and choose the symptom(s). Perform BODY VERIFICATION TEST - VER 1. No → Go To 4 405 HEATING & A/C |