Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Hybrid Control System: Hybrid/EV Battery Cooling Fan 1 Circuit Short to Ground (P0A8111,P0A814B)
DESCRIPTION The battery cooling blower assembly speed is controlled by the hybrid vehicle control ECU. Power is supplied to the battery cooling blower assembly when the MREL terminal of the hybrid vehicle control ECU turns on the IGCT relay. The hybrid vehicle control ECU sends command signals (SI0) ...
