General Information
Air Conditioner
B1686 Vehicle Speed Sensor Fault - CAN Signal - General Information
Component Location
General Description
The Air conditioner Control Module detects ambient temperature only when vehicle is driving. The A/C Control Unit receives the vehicle speed signal from the ABS/ESP/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