DTC P0481:00: Notes
DTC P0481:00 (L3 WITH TC) DETECTION CONDITION AND POSSIBLE CAUSE
| DTC P0481:00 |
Fan control module NO. 2 control circuit malfunction |
| DETECTION CONDITION |
- The PCM monitors the input voltage from the fan control module NO. 2. If the voltage remains low or high, the PCM determines that the fan 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.
- DTCs are stored in the PCM memory.
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| POSSIBLE CAUSE |
- Fan control module NO. 2 connector or terminals malfunction
- Short to ground in wiring harness between fan control module NO. 2 terminal B and PCM terminal 1R
- PCM connector or terminals malfunction
- Short to power supply in wiring harness between fan control module NO. 2 terminal B and PCM terminal 1R
- Open circuit in wiring harness between fan control module NO. 2 terminal B and PCM terminal 1R
- Fan control module NO. 2 malfunction
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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