DTC B1476: A/C Inverter Load System [07/2022 - ]: Description
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The operation of the compressor with motor assembly is stopped and this DTC is stored if the rotation load is too large or too small while the compressor with motor assembly is operating.
Possible causes are refrigerant leaks, overcharged refrigerant, insufficient cooling due to a condenser fan circuit malfunction, or compressor lock.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory |
|---|---|---|---|---|
| B1476 | A/C Inverter Load System |
|
|
Memorized |
DTC Detection Conditions
| Vehicle Condition | |||
|---|---|---|---|
| Pattern 1 | Pattern 2 | ||
| Diagnosis Condition | Compressor operation requested | ◦ | ◦ |
| Malfunction Status | Motor rotation load while compressor is operating is too large | ◦ | - |
| Motor rotation load while compressor is operating is too small | - | ◦ | |
| Detection Time | - | - | |
| Number of Trips | 1 trip | 1 trip | |
HINT:
DTC will be output when conditions for either of the patterns in the table above are met.