General Information

Air Conditioner
B1685 Engine RPM fault - CAN Signal - General Information

Component Location





General Description

In order to make a variable control for a compressor based on engine's load, the air-conditioner control module receives its engine RPM signals from the engine ECU.

DTC Description

The Air conditioner Control Module sets DTC B1685 if Engine RPM signal has not been received through the CAN signal.

DTC Detecting Condition





Diagnostic Circuit Diagram