| Component |

Description System Overview The System offers the following features: – Human / machine interface through a 1-stage button, for terminal switching and engine start.
Removal 1. Disconnect the negative (-) battery terminal. 2. Using a screw driver or remover, remove the center fascia lower panel (A). 3. Remove the in-car hose (A) and disconnect the connectors (B) from the heater & A/C control unit.
Inspection 1. Ignition "ON" 2. Using the scan tool. 3. Emit intensive light toward photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and reduce with lower intensive light.
Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower unit.(Refer to HA group – heater unit). 3. Remove the blower unit (A) from the heater unit after loosening a mounting bolt and 3 screws. Make sure that there is no air leaking out of the blower and duct joints.