DTC P0480:00: Notes

DTC P0480:00	Cooling fan relay No.1 control circuit problem
DETECTION CONDITION	If the voltage remains low or high, the PCM determines that the cooling fan relay No.1 control circuit has a malfunction. Diagnostic support note This is a continuous monitor (other). The MIL does not illuminate. FREEZE FRAME DATA (Mode 2)/Snapshot data is not available. The DTC is stored in the PCM memory.
POSSIBLE CAUSE	Cooling fan relay No.1 malfunction Short to ground or open circuit in cooling fan relay No.1 power supply circuit Short to ground in wiring harness between METER 10 A fuse and cooling fan relay No.1 terminal A METER 10 A fuse malfunction Open circuit in wiring harness between ignition switch and cooling fan relay No.1 terminal A Short to ground in wiring harness between cooling fan relay No.1 terminal E and PCM terminal 1AV PCM connector or terminals malfunction Short to power supply in wiring harness between cooling fan relay No.1 terminal E and PCM terminal 1AV Open circuit in wiring harness between cooling fan relay No.1 terminal E and PCM terminal 1AV PCM malfunction