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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 60 (Hybrid Control System (AWD) - Circuit Tests (2 Of 2)) >> HYBRID CONTROL SYSTEM (for AWD) >> HV Battery High-voltage Line Circuit [12/2019 - 11/2023] >> Description

HV Battery High-voltage Line Circuit [12/2019 - 11/2023]: Description

WARNING: This page is about a different variant/trim than selected.

The cause of the malfunction may be the HV battery high-voltage line circuit.

Check the continuity in the high-voltage line from the HV battery to the inverter.

Check the connection condition and for an open circuit in the frame wire from the service plug grip, EV electric battery fuse and HV battery to the inverter and perform a function check of the system main relay.

RELATED PARTS CHECK

Area Inspection
High-voltage circuit from HV battery to inverter Check connection condition and for open circuit.
Service plug grip Check connection condition and for open circuit.
EV electric battery fuse Check for open circuit.
System Main Relay Check operation condition as relay.