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TROUBLESHOOTING HEATER, AIR CONDITIONER AND VENTILATION 55A-45 STEP 2. M.U.T.-III actuator test • Item 08: Air outlet c/o damper: (Select "position reset".) Q: Is the check result normal? YES : This diagnosis is complete. NO : Go to Step 3. STEP 3. Connector check: C-108 mode selection Q: Is the check result normal? YES : Go to Step 4. NO : Repair the connector concerned. STEP 4. Check the wiring harness wires between • Check the input line for open circuit. Q: Is the check result normal? YES : Go to Step 5. NO : Repair the wiring harness. STEP 5. Replace the mode selection damper Q: Is the check result normal? YES : This diagnosis is complete. NO : Replace the heater control unit. |