B1498

DTC B1498 COMMUNICATION MALFUNCTION (A/C INVERTER LOCAL)

CIRCUIT DESCRIPTION

Detection Item:

The hybrid control ECU and A/C inverter assembly transmit information to one another via communication line. Compressor control is stopped and the DTC is output if communication information is cut off or abnormal information occurs.

The output DTC is memorized as previous trouble.

Wiring Diagram:

Step 1 - 2:

INSPECTION PROCEDURE

NOTE: The A/C inverter is integrated with the inverter assembly. It is necessary to replace the PCU box assembly the A/C inverter (inverter assembly) needs to be replaced because the A/C inverter (inverter assembly) cannot be replaced alone.