DTC P0A78-283 Drive Motor "A" Inverter Performance; DTC P0A78-285 Drive Motor "A" Inverter Performance: Description
Refer to the description of the inverter. (See DESCRIPTION )
If the motor inverter has a circuit malfunction, overheat, or internal short, the inverter transmits this information to the MFIV terminal of the MG ECU via the motor inverter fail signal line.
The MG ECU monitors the motor inverter fail signal line and detects a malfunction.
DTC DETECTION CONDITION AND TROUBLE AREA
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0A78 | 283 | Short to +B in the motor inverter fail (MFIV) signal line | w/ converter inverter assembly (MG ECU) |
| ↑ | 285 | Open or short to GND in the motor inverter fail (MFIV) signal line | w/ converter inverter assembly (MG ECU) |