Toyota Prius 2010 Repair Manual page 134

DTC B1497/97 BUS IC Communication Malfunction
DESCRIPTION
The air conditioning harness connects the A/C amplifier and each servo. The A/C amplifier supplies power and
sends operation instructions to each servo through the air conditioning harness. Each servo sends the damper
position information to the A/C amplifier.
DTC No.
B1497/97 Communication line error or open
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. INSPECT A/C AMPLIFIER
2010 Toyota Prius
DTC Detection Condition
(a) Remove the A/C amplifier with the connectors still connected.
Trouble Area
Air conditioning harness
A/C amplifier
Repair Manual