General Information

Air Conditioner
B1686 Vehicle Speed Sensor Fault - CAN Signal - General Information

Component Location





General Description

Air conditioner Control Module detects ambient temperature only when vehicle is driving. To judge wheather vehicle is driving or not, Air conditioner control module receives vehicle speed signal from ESC through the CAN signal.

DTC Description

The Air conditioner Control Module sets DTC B1686 if vehicle speed signal has not been received through the CAN signal.

DTC Detecting Condition





Diagnostic Circuit Diagram