DTC Summary

The EV control ECU detects malfunctions which prevent the inverter with converter assembly emergency shutdown circuit (HSDN) from shutting down the hybrid control system. Detection is performed when the ignition switch is turned to ON (IG) and during the shutdown sequence when the ignition switch is turned off. If any of the following condition is detected, this DTC will be stored. If the following conditions are not detected, DTC P321E-9F will be stored.

• EV control ECU malfunction