Inspection Of Each System

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Below are shown the inspection range and main inspection contents for each system inspection.

Courtesy of SUBARU OF AMERICA, INC.

Inspection contents of each system inspection

SYSTEM INSPECTION AND POSSIBILITY OF MALFUNCTION DESCRIPTION

System inspection	Possibility of malfunction	Contents of inspection
Cooling System	Temperature is extremely high.	Grille clogged state Coolant level Check if there is a possibility that the coolant has frozen when a malfunction occurs. Coolant hose clogged state HV radiator fan operating state
Shut Down Signal Circuit	Shutdown signal	Open or short circuit of shutdown signal communication line between Hybrid vehicle control ECU assembly and Motor generator control ECU
Inverter low-voltage circuit	Power supply from +B voltage or communication between Hybrid vehicle control ECU assembly and Motor generator control ECU	Open or short circuit state of communication line between Hybrid vehicle control ECU assembly and Motor generator control ECU Open or short circuit state of +B and GND line Fuse blown state
HV BATTERY HIGH-VOLTAGE LINE CIRCUIT	High voltage power supply from HV battery	Open or short circuit state of "system main relay, connector and cable"
MOTOR RESOLVER CIRCUIT	Motor resolver signal	Open or short circuit state of "Motor resolver body, connector and cable"
GENERATOR RESOLVER CIRCUIT	Generator resolver signal	Open or short circuit state of "Generator resolver body, connector and cable"
MOTOR HIGH-VOLTAGE CIRCUIT	Motor output	Open or short circuit state of "motor body, T/M bus bar, terminal block and cable"
GENERATOR HIGH-VOLTAGE CIRCUIT	Generator output	Open or short circuit state of "generator body, T/M bus bar, terminal block and cable"