Mazda TTCC007700--1155--0011H Student Manual page 39

AIR CONDITIONING
SG02 - Control System [Manual Air Conditioning]
OBJECTIVES
After completing this section, you will be able to:
Identify the components of Manual Air Conditioner and distinguish the
components from those of Full-auto Air Conditioner.
Describe a control system and how the system controls the Manual Air
Conditioner.
Identify major components of a manual A/C system
Activities To complete this section, you will perform the following activities:
Activity Title/Description
AC - 05 Units and parts checks*
AC - 06 Symptom troubleshooting
What's in this section?
Control System [Manual Air Conditioner] .................................................. 2
Control System [Full-auto Air Conditioner] ................................................ 3
Control System Wiring Diagram [Manual Air Conditioner] ......................... 4
Blower relay ............................................................................................... 5
Blower motor ............................................................................................. 5
Resistor ..................................................................................................... 6
Air intake actuator ..................................................................................... 6
Evaporator temperature sensor ................................................................. 7
A/C relay ................................................................................................... 9
Magnetic clutch ......................................................................................... 9
Refrigerant pressure switch ....................................................................... 11
Fan switch ................................................................................................. 12
Climate control unit .................................................................................... 12
Climate control unit inspection (Reference) ............................................... 16
Technical Data .......................................................................................... 18
Review Exercise ........................................................................................ 19
* Activity AC - 05 is an optional activity. If units and parts are not available, this
activity is to be cancelled.
TC070-15-01H
Location
Shop
Shop
SG02-1