DTC P0A94-551 DC / DC Converter Performance; DTC P0A94-552 DC / DC Converter Performance: Description
Refer to the description of the boost converter. (See DTC P0A94-442 DC / DC CONVERTER PERFORMANCE )
If the boost converter detects a circuit malfunction, overheat, or internal short, it transmits this information to the FCV terminal of the MG ECU via the boost converter fail signal line. The MG ECU monitors the boost converter fail signal line and detects a malfunction.
DTC DETECTION CONDITION - TROUBLE AREA CHART
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0A94 | 551 | Open or GND short in boost converter fail (FCV) signal line | w/ converter inverter assembly (MG ECU) |
| P0A94 | 552 | +B short in boost converter fail (FCV) signal line | w/ converter inverter assembly (MG ECU) |