General Information

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

Component Location





General Description

The A/C Control Unit may increase or decrease the variable compressor output using the engine RPM signal received through the CAN lines.

DTC Description

DTC B1685 sets if the engine RPM signal has not been received through the CAN lines.

DTC Detecting Condition





Diagnostic Circuit Diagram