B1473

DTC B1473/73 A/C Inverter Start-up Signal System Malfunction

DESCRIPTION

DTC Detecting Condition:

The inverter activation signal is sent to the w/ motor compressor assembly from the hybrid vehicle control ECU. Compressor control is stopped and the DTC is output if there is an open or short in the signal circuit.

Wiring Diagram:

Step 1-2:

Step 3-4:

INSPECTION PROCEDURE

NOTE: If DTC B1473/73 and B1498/98 (inverter local communication problem) are output simultaneously, perform inspection for B1498/98 first by given the flow chart.