Disconnect the negative (-) battery terminal.

Remove the heater and A/C controller after loosening screws.

<a href="content.asp?vehicletype=Passenger&mfrcode=KM&area=KME&langcode=ENG&modelid=JD12&modelyr=2013&mmctype=ac&mmcid=5&group=SHOP&pdftype=&cat1=2013+%3E+G+1%2E6+MPI&ec=&firstnodedesc=Heating%2CVentilation%2C+Air+Conditioning&sitinfolist=71%5E7150%5E71500100%5Enone%5E801%5E6%5EENG%5EKM%5EJD12%5E2013%5Eac%5E5%5Enone%5Enone%5Enone%5ESHOP%5E%24" target="_blank">(Refer to Heating,Ventilation, Air Conditioning - "Heater & A/C Control Unit (MANUAL)")</a>

<a href="content.asp?vehicletype=Passenger&mfrcode=KM&area=KME&langcode=ENG&modelid=JD12&modelyr=2013&mmctype=ac&mmcid=5&group=SHOP&pdftype=&cat1=2013+%3E+G+1%2E6+MPI&ec=&firstnodedesc=Heating%2CVentilation%2C+Air+Conditioning&sitinfolist=71%5E7150%5E71500200%5Enone%5E801%5E4%5EENG%5EKM%5EJD12%5E2013%5Eac%5E5%5Enone%5Enone%5Enone%5ESHOP%5E%2471%5E7150%5E71500200%5Enone%5E801%5E6%5EENG%5EKM%5EJD12%5E2013%5Eac%5E5%5Enone%5Enone%5Enone%5ESHOP%5E%24" target="_blank">(Refer to Heating,Ventilation, Air Conditioning - "Heater & A/C Control Unit (DATC)")</a>