DTC B1497/97: BUS IC Communication Malfunction [10/2014 - ]: Description

The air conditioning harness assembly connects the air conditioning amplifier assembly and the servo motors. The air conditioning amplifier assembly supplies power and sends operation instructions to each servo motor through the air conditioning harness assembly. Each servo motor sends damper position information to the air conditioning amplifier assembly.

DTC No.	DTC Detection Condition	Trouble Area
B1497/97	Error or open in communication line	Air conditioning harness assembly No. 1 air conditioning radiator damper servo sub-assembly No. 2 air conditioning radiator damper servo sub-assembly No. 3 air conditioning radiator damper servo sub-assembly*1 No. 1 blower damper servo sub-assembly Air conditioning amplifier assembly

*1: for 3 Zone Type