DTC P0480: Cooling Fan No.1 Control Circuit Problem

Fig 1: DTC P0480 Detection Condition & Possible Causes Chart

Courtesy of MAZDA MOTORS CORP.

Diagnostic Procedure 

Fig 2: DTC P0480 Diagnostic Procedure Chart (Step 1-3)

Courtesy of MAZDA MOTORS CORP.

Fig 3: DTC P0480 Diagnostic Procedure Chart (Step 4-11)

Courtesy of MAZDA MOTORS CORP.