DTC P0A94-558 DC / DC Converter Performance; DTC P0A94-559 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 receives a boost converter gate shutdown signal from the MG ECU, it will turn all power transistors off which are activating the boost converter to forcibly stop converter operation. The MG ECU monitors the boost converter gate shutdown signal line and detects a malfunction.
DTC DETECTION CONDITION - TROUBLE AREA CHART
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0A94 | 558 | GND short in boost converter gate shutdown (CSDN) signal circuit | w/ converter inverter assembly (MG ECU) |
| 559 | Open or +B short in boost converter gate shutdown (CSDN) signal circuit | w/ converter inverter assembly (MG ECU) |