WARNING: This page is about a different car, the 2004 Mazda 6 and 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying/Locating Electric Cooling Fan Components (2.3L)
Courtesy of MAZDA MOTORS CORP.
Fig 2: Identifying/Locating Electric Cooling Fan Components (3.0L)
Courtesy of MAZDA MOTORS CORP.
Fig 3: Locating Engine Coolant Temperature Sensor & PCM (2.3L)
Courtesy of MAZDA MOTORS CORP.
Fig 4: Locating Engine Coolant Temperature Sensor & PCM (3.0L)