DTC P0A94-545 DC / DC Converter Performance; DTC P0A94-546 DC / DC Converter Performance: Description
Refer to the description of the boost converter. (See DESCRIPTION )
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 AND TROUBLE AREA
| 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) |