P0481

DTC P0481: Cooling Fan 2 Control Circuit

Wiring Diagram:

Wiring Diagram

Circuit Description
A/C condenser fan motor is turned ON and OFF by its relay which ECM controls. A/C condenser fan motor is turned ON when ECM outputs A/C ON signal to A/C control module (amplifier) or when engine coolant temp. is 110 °C, 230 °F or more.

DTC Detecting Condition And Trouble Area:

DTC Detecting Condition and Trouble Area

DTC Confirmation Procedure
1. With ignition switch turned OFF, connect scan tool.
2. Turn ON ignition switch and clear DTC using scan tool.
3. Start engine and warm up engine to normal operating temperature.
4. Run engine at idle and turn both A/C switch and heater blower switch ON (turn ON air conditioning) for 3 min. or more.
5. Check DTC and pending DTC.

Step 1-4(Continued):

Step 4(Continued)-9(Continued):

Step 9:

DTC Troubleshooting