Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Hybrid Control System: Motor/Generator Shutdown Signal Stuck Off (P321E9F)
DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle 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 power switch is turned on (IG) and during the shu ...
