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DTC Detecting Condition and Trouble Area

DTC DETECTING CONDITION CHART

DTC detecting condition Trouble area
DTC P0480: Fan 1 Control Circuit 
No. 1 radiator cooling fan relay circuit voltage is more than 8.4 V at relay ON or less than 3.0 V at relay OFF.
(1 driving cycle detection logic)
  • Radiator cooling fan relay No. 1 and its circuit (P0480)
  • Radiator cooling fan relay No. 2 and its circuit (P0481)
  • Radiator cooling fan relay No. 3 and its circuit (P0482)
  • ECM
DTC P0481: Fan 2 Control Circuit 
No. 2 radiator cooling fan relay circuit voltage is more than 8.4 V at relay ON or less than 3.0 V at relay OFF.
(1 driving cycle detection logic)
DTC P0482: Fan 3 Control Circuit 
No. 3 radiator cooling fan relay circuit voltage is more than 8.4 V at relay ON or less than 3.0 V at relay OFF.
(1 driving cycle detection logic)
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