B1472

DTC B1472/72 A/C Inverter High Voltage Output System Malfunction

DESCRIPTION

DTC Detecting Condition:

The inverter in the w/ motor compressor assembly outputs high-voltage to operate the motor. If there is an open or short in the output circuit, the ECU will stop compressor operation and output the DTC. If a DTC is output, it will be stored as a past DTC. The compressor operation remains stopped until both the past and current DTCs are cleared.

The output DTC is memorized as previous trouble. Compressor control remains stopped unless the past and current DTCs are cleared by the intelligent tester.

NOTE: The hybrid control system and air conditioning system output DTCs separately. Inspect DTCs given the flow chart for the hybrid control system first if any DTCs from those systems are output simultaneously.

Step 1-2:

Step 2 (Continued):

INSPECTION PROCEDURE