B1497

DTC B1497/97 BUS IC Communication Malfunction

DESCRIPTION

DTC Detection Condition:

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

Wiring Diagram:

Step 1-2:

Step 3-4:

INSPECTION PROCEDURE