Code No. P0480: Radiator Fan Relay Circuit


DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Condition
  • Ignition switch: ON
Judgment Criterion
  • The deviation between the dutycycle received via CAN and the actual duty cycle exceeds a calibratable threshold and this deviation remains for more than the duration.

PROBABLE CAUSE



  • Failed radiator fan relay
  • Failed electrical harness in radiator fan relay circuit
  • Failed ETACS system