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TROUBLESHOOTING HEATER, AIR CONDITIONER AND VENTILATION 55A-24 Inspection Procedure 6: The inside/outside air changeover is impossible IGNITION OUTSIDE/INSIDE AIR OUTSIDE/INSIDE COMBINATION METER AND A/C-ECU Wire colour code Outside/Inside Air Selection Damper Control Motor Circuit COMMENTS ON TROUBLE SYMPTOM When inside air cannot be changed to outside air POSSIBLE CAUSES • Malfunction of the outside/inside air selection damper control motor • Damaged the wiring harness or connectors • Malfunction of the combination meter (meter and A/C-ECU) DIAGNOSIS PROCEDURE Step 1. M.U.T.-III diagnosis code Q: Is the check result normal? YES : Go to Step 2. NO : Refer to diagnosis code chart . Main Index Group TOC |