DTC P0A94-545 DC / DC Converter Performance; DTC P0A94-546 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 or overvoltage, it transmits this information to the OVL terminal of the MG ECU via the boost converter overvoltage signal line. The MG ECU monitors the boost converter overvoltage signal line and detects a malfunction.
DTC DETECTION CONDITION - TROUBLE AREA CHART
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0A94 | 545 | Open or GND short in boost converter overvoltage (OVL) signal line | w/ converter inverter assembly (MG ECU) |
| 546 | +B short in boost converter overvoltage (OVL) signal line | w/ converter inverter assembly (MG ECU) |