Preliminary Inspection

WARNING: This page is about a different car, the 2004 Mazda B2300, 2003 Mazda B2300, and 2002 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.

Verify customer complaint by operating suspected system. Visually inspect for obvious signs of mechanical and electrical damage. Inspect for blown fuses and damaged relays. For fuse and/or relay identification, refer to illustrations. See Fig 1 -Fig 3 . Inspect for loose or corroded connections, damaged wiring harnesses and/or switches. Check for a broken or partially broken wire inside insulation, which could cause system malfunction but prove good in a continuity/voltage check with system disconnected. Ensure any aftermarket electronic equipment is properly installed. If fault is found, repair as necessary. If no fault is found, perform appropriate component tests. See COMPONENT TESTS .

NOTE: Do not attempt to straighten or repair the fan blade. Replace the fan blade if it is damaged.

Inspect the fan for damage or cracking. Cracking is most likely to occur near the base of each individual blade. If the fan is damaged, replace it.

Fig 1: Identifying Central Junction Box Components (2002-03 Models)

Courtesy of MAZDA MOTORS CORP.

Fig 2: Identifying Smart Junction Box Fuses (2004 Models)

Courtesy of MAZDA MOTORS CORP.

Fig 3: Identifying Battery Junction Box Fuses

Courtesy of MAZDA MOTORS CORP.