DTC P0481-00: Cooling Fan Relay No. 2 Control Circuit Malfunction: Outline
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0481:00 (PCM, SKYACTIV-G) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Cooling fan relay No. 2 control circuit malfunction |
| Detection condition |
- The cooling fan relay No. 2 control voltage at the PCM terminal 2AS is low or cooling fan relay No. 2 control current is high for a continuous 5 s relative to the PCM control signal.
|
| Fail-safe |
|
| Possible cause |
- Cooling fan relay No. 2 malfunction
- PCM connector or terminals malfunction
- F10 15 A fuse malfunction
- Short to ground in cooling fan relay No. 2 power supply circuit
- Open circuit in cooling fan relay No. 2 power supply circuit
- Short to ground in cooling fan relay No. 2 control circuit
- Short to power supply in cooling fan relay No. 2 control circuit
- Open circuit in cooling fan relay No. 2 control circuit
- PCM malfunction
|
 Courtesy of MAZDA MOTORS CORP.
|