Toyota Corolla Cross: K120f (cvt)

 Hybrid/EV Battery Positive and Negative Contactor Actuator Stuck Closed (P0AA073)

DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU detects a stuck closed malfunction of a system main relay on the positive (+) terminal side and negative (-) terminal side of the HV battery. The cause of this malfunction may be one of the following: Inverter voltage sensor (VH)

 Removal

REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL) Procedure Part Name Code 1 PRECAUTION - - - 2 CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL - - - - 3 HORN BUTTON ASSEMBLY 45130