Subaru Impreza 2004 Service Manual page 118

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BA:DTC P0483 COOLING FAN RATIONALITY CHECK
• DTC DETECTING CONDITION:
• Two consecutive driving cycles with fault
• TROUBLE SYMPTOM:
• Occurrence of noise
• Overheating
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4DOTC)(diag)-
47, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4DOTC)(diag)-39, Inspec-
tion Mode.>.
NOTE:
If the vehicle, with the engine idling, is placed very close to a wall or another vehicle, preventing normal cool-
ing function, the OBD system may detect malfunction.
EN(H4DOTC)(diag)-197
ENGINE (DIAGNOSTICS)