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TROUBLESHOOTING HEATER, AIR CONDITIONER AND VENTILATION 55-173 YES : The trouble can be an intermittent malfunction (Refer to GROUP 00, How to NO : Repair the wiring harness. Step 5. Connector check: C-106 A/C-ECU Q: Is the check result normal? YES : Go to Step 6. NO : Repair the connector. Step 6. Check the wiring harness between C-30 • Check the PTC heater switch earth line for open circuit. Q: Is the check result normal? YES : The trouble can be an intermittent malfunction (Refer to GROUP 00, How to NO : Repair the wiring harness. AC310631AC Connector: C-105 <RHD> Harness side 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 AC310632AZ Connectors: C-30, C-106 <RHD> C-30 C-106 C-30 C-106 Harness side Harness side |